diff --git a/Cargo.lock b/Cargo.lock
index e3c4e29..4e5da36 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1404,7 +1404,7 @@ dependencies = [
 
 [[package]]
 name = "srcmap-cli"
-version = "0.3.9"
+version = "0.4.0"
 dependencies = [
  "cap-fs-ext",
  "cap-std",
@@ -1422,7 +1422,7 @@ dependencies = [
 
 [[package]]
 name = "srcmap-codec"
-version = "0.3.9"
+version = "0.4.0"
 dependencies = [
  "criterion2",
  "memchr",
@@ -1431,7 +1431,7 @@ dependencies = [
 
 [[package]]
 name = "srcmap-codec-napi"
-version = "0.3.9"
+version = "0.4.0"
 dependencies = [
  "napi",
  "napi-build",
@@ -1441,7 +1441,7 @@ dependencies = [
 
 [[package]]
 name = "srcmap-generator"
-version = "0.3.9"
+version = "0.4.0"
 dependencies = [
  "criterion2",
  "rayon",
@@ -1454,7 +1454,7 @@ dependencies = [
 
 [[package]]
 name = "srcmap-generator-napi"
-version = "0.3.9"
+version = "0.4.0"
 dependencies = [
  "napi",
  "napi-build",
@@ -1464,7 +1464,7 @@ dependencies = [
 
 [[package]]
 name = "srcmap-generator-wasm"
-version = "0.3.9"
+version = "0.4.0"
 dependencies = [
  "srcmap-generator",
  "wasm-bindgen",
@@ -1472,7 +1472,7 @@ dependencies = [
 
 [[package]]
 name = "srcmap-hermes"
-version = "0.3.9"
+version = "0.4.0"
 dependencies = [
  "serde_json",
  "srcmap-codec",
@@ -1481,14 +1481,14 @@ dependencies = [
 
 [[package]]
 name = "srcmap-ram-bundle"
-version = "0.3.9"
+version = "0.4.0"
 dependencies = [
  "srcmap-sourcemap",
 ]
 
 [[package]]
 name = "srcmap-remapping"
-version = "0.3.9"
+version = "0.4.0"
 dependencies = [
  "criterion2",
  "serde_json",
@@ -1498,7 +1498,7 @@ dependencies = [
 
 [[package]]
 name = "srcmap-remapping-napi"
-version = "0.3.9"
+version = "0.4.0"
 dependencies = [
  "napi",
  "napi-build",
@@ -1509,7 +1509,7 @@ dependencies = [
 
 [[package]]
 name = "srcmap-remapping-wasm"
-version = "0.3.9"
+version = "0.4.0"
 dependencies = [
  "js-sys",
  "srcmap-remapping",
@@ -1519,14 +1519,14 @@ dependencies = [
 
 [[package]]
 name = "srcmap-scopes"
-version = "0.3.9"
+version = "0.4.0"
 dependencies = [
  "srcmap-codec",
 ]
 
 [[package]]
 name = "srcmap-scopes-wasm"
-version = "0.3.9"
+version = "0.4.0"
 dependencies = [
  "js-sys",
  "serde",
@@ -1537,7 +1537,7 @@ dependencies = [
 
 [[package]]
 name = "srcmap-sourcemap"
-version = "0.3.9"
+version = "0.4.0"
 dependencies = [
  "criterion2",
  "memchr",
@@ -1552,7 +1552,7 @@ dependencies = [
 
 [[package]]
 name = "srcmap-sourcemap-napi"
-version = "0.3.9"
+version = "0.4.0"
 dependencies = [
  "napi",
  "napi-build",
@@ -1562,7 +1562,7 @@ dependencies = [
 
 [[package]]
 name = "srcmap-sourcemap-wasm"
-version = "0.3.9"
+version = "0.4.0"
 dependencies = [
  "js-sys",
  "serde_json",
@@ -1572,7 +1572,7 @@ dependencies = [
 
 [[package]]
 name = "srcmap-symbolicate"
-version = "0.3.9"
+version = "0.4.0"
 dependencies = [
  "serde_json",
  "srcmap-scopes",
@@ -1581,7 +1581,7 @@ dependencies = [
 
 [[package]]
 name = "srcmap-symbolicate-wasm"
-version = "0.3.9"
+version = "0.4.0"
 dependencies = [
  "js-sys",
  "srcmap-sourcemap",
diff --git a/Cargo.toml b/Cargo.toml
index 38b2455..455a189 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,7 +3,7 @@ resolver = "3"
 members = ["crates/*", "packages/codec", "packages/sourcemap", "packages/sourcemap-wasm", "packages/generator-wasm", "packages/remapping-wasm", "packages/symbolicate-wasm", "packages/scopes-wasm", "packages/generator", "packages/remapping"]
 
 [workspace.package]
-version = "0.3.9"
+version = "0.4.0"
 edition = "2024"
 rust-version = "1.88"
 license = "MIT"
@@ -11,12 +11,12 @@ repository = "https://github.com/fallow-rs/srcmap"
 homepage = "https://github.com/fallow-rs/srcmap"
 
 [workspace.dependencies]
-srcmap-codec = { version = "0.3.9", path = "crates/codec" }
-srcmap-sourcemap = { version = "0.3.9", path = "crates/sourcemap" }
-srcmap-generator = { version = "0.3.9", path = "crates/generator" }
-srcmap-remapping = { version = "0.3.9", path = "crates/remapping" }
-srcmap-scopes = { version = "0.3.9", path = "crates/scopes" }
-srcmap-symbolicate = { version = "0.3.9", path = "crates/symbolicate" }
+srcmap-codec = { version = "0.4.0", path = "crates/codec" }
+srcmap-sourcemap = { version = "0.4.0", path = "crates/sourcemap" }
+srcmap-generator = { version = "0.4.0", path = "crates/generator" }
+srcmap-remapping = { version = "0.4.0", path = "crates/remapping" }
+srcmap-scopes = { version = "0.4.0", path = "crates/scopes" }
+srcmap-symbolicate = { version = "0.4.0", path = "crates/symbolicate" }
 criterion2 = { version = "3.0.2", default-features = false }
 serde = { version = "1", features = ["derive"] }
 serde_json = { version = "1", features = ["raw_value"] }
diff --git a/README.md b/README.md
index daa7fe6..3379792 100644
--- a/README.md
+++ b/README.md
@@ -27,9 +27,9 @@ Most users start with `srcmap-sourcemap`. Add `srcmap-generator` if you produce
 
 ```toml
 [dependencies]
-srcmap-sourcemap = "0.3"
-srcmap-generator = "0.3"    # if you produce source maps
-srcmap-remapping = "0.3"    # if you compose/concatenate source maps
+srcmap-sourcemap = "0.4"
+srcmap-generator = "0.4"    # if you produce source maps
+srcmap-remapping = "0.4"    # if you compose/concatenate source maps
 ```
 
 > srcmap is pre-1.0. The parsing and lookup APIs are stable; generator and remapping APIs may evolve.
diff --git a/crates/codec/README.md b/crates/codec/README.md
index d9b6d7a..d2d68df 100644
--- a/crates/codec/README.md
+++ b/crates/codec/README.md
@@ -13,7 +13,7 @@ Encodes and decodes source map `mappings` strings using the Base64 VLQ format sp
 
 ```toml
 [dependencies]
-srcmap-codec = "0.3"
+srcmap-codec = "0.4"
 ```
 
 ## Usage
@@ -49,7 +49,7 @@ Enable the `parallel` feature for multi-threaded encoding via [rayon](https://cr
 
 ```toml
 [dependencies]
-srcmap-codec = { version = "0.3", features = ["parallel"] }
+srcmap-codec = { version = "0.4", features = ["parallel"] }
 ```
 
 ```rust
diff --git a/crates/generator/README.md b/crates/generator/README.md
index 96aa327..2c2b8c2 100644
--- a/crates/generator/README.md
+++ b/crates/generator/README.md
@@ -13,7 +13,7 @@ Builds source maps incrementally by adding mappings one at a time. Outputs stand
 
 ```toml
 [dependencies]
-srcmap-generator = "0.3"
+srcmap-generator = "0.4"
 ```
 
 ## Usage
@@ -67,7 +67,7 @@ Enable the `parallel` feature for multi-threaded VLQ encoding via [rayon](https:
 
 ```toml
 [dependencies]
-srcmap-generator = { version = "0.3", features = ["parallel"] }
+srcmap-generator = { version = "0.4", features = ["parallel"] }
 ```
 
 ### `StreamingGenerator`
diff --git a/crates/remapping/README.md b/crates/remapping/README.md
index e6a0940..3ba2fe2 100644
--- a/crates/remapping/README.md
+++ b/crates/remapping/README.md
@@ -13,7 +13,7 @@ Merges or chains source maps from multiple build steps into a single map. Drop-i
 
 ```toml
 [dependencies]
-srcmap-remapping = "0.3"
+srcmap-remapping = "0.4"
 ```
 
 ## Usage
diff --git a/crates/sourcemap/README.md b/crates/sourcemap/README.md
index 76c7e14..2f1c7f1 100644
--- a/crates/sourcemap/README.md
+++ b/crates/sourcemap/README.md
@@ -13,7 +13,7 @@ Parses source map JSON and provides O(log n) position lookups. Implements the [E
 
 ```toml
 [dependencies]
-srcmap-sourcemap = "0.3"
+srcmap-sourcemap = "0.4"
 ```
 
 ## Usage
diff --git a/packages/codec/npm/darwin-arm64/package.json b/packages/codec/npm/darwin-arm64/package.json
index aa9f65b..352da88 100644
--- a/packages/codec/npm/darwin-arm64/package.json
+++ b/packages/codec/npm/darwin-arm64/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@srcmap/codec-darwin-arm64",
-  "version": "0.3.9",
+  "version": "0.4.0",
   "description": "High-performance VLQ source map codec powered by Rust",
   "keywords": [
     "codec",
diff --git a/packages/codec/npm/darwin-x64/package.json b/packages/codec/npm/darwin-x64/package.json
index 2e01239..7307302 100644
--- a/packages/codec/npm/darwin-x64/package.json
+++ b/packages/codec/npm/darwin-x64/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@srcmap/codec-darwin-x64",
-  "version": "0.3.9",
+  "version": "0.4.0",
   "description": "High-performance VLQ source map codec powered by Rust",
   "keywords": [
     "codec",
diff --git a/packages/codec/npm/linux-arm64-gnu/package.json b/packages/codec/npm/linux-arm64-gnu/package.json
index dd4a447..0772e26 100644
--- a/packages/codec/npm/linux-arm64-gnu/package.json
+++ b/packages/codec/npm/linux-arm64-gnu/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@srcmap/codec-linux-arm64-gnu",
-  "version": "0.3.9",
+  "version": "0.4.0",
   "description": "High-performance VLQ source map codec powered by Rust",
   "keywords": [
     "codec",
diff --git a/packages/codec/npm/linux-arm64-musl/package.json b/packages/codec/npm/linux-arm64-musl/package.json
index 20cd247..bec8368 100644
--- a/packages/codec/npm/linux-arm64-musl/package.json
+++ b/packages/codec/npm/linux-arm64-musl/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@srcmap/codec-linux-arm64-musl",
-  "version": "0.3.9",
+  "version": "0.4.0",
   "description": "High-performance VLQ source map codec powered by Rust",
   "keywords": [
     "codec",
diff --git a/packages/codec/npm/linux-x64-gnu/package.json b/packages/codec/npm/linux-x64-gnu/package.json
index 7b8a2ae..5ea1f0c 100644
--- a/packages/codec/npm/linux-x64-gnu/package.json
+++ b/packages/codec/npm/linux-x64-gnu/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@srcmap/codec-linux-x64-gnu",
-  "version": "0.3.9",
+  "version": "0.4.0",
   "description": "High-performance VLQ source map codec powered by Rust",
   "keywords": [
     "codec",
diff --git a/packages/codec/npm/linux-x64-musl/package.json b/packages/codec/npm/linux-x64-musl/package.json
index ae2a414..42cea44 100644
--- a/packages/codec/npm/linux-x64-musl/package.json
+++ b/packages/codec/npm/linux-x64-musl/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@srcmap/codec-linux-x64-musl",
-  "version": "0.3.9",
+  "version": "0.4.0",
   "description": "High-performance VLQ source map codec powered by Rust",
   "keywords": [
     "codec",
diff --git a/packages/codec/npm/win32-x64-msvc/package.json b/packages/codec/npm/win32-x64-msvc/package.json
index 217c16b..6324952 100644
--- a/packages/codec/npm/win32-x64-msvc/package.json
+++ b/packages/codec/npm/win32-x64-msvc/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@srcmap/codec-win32-x64-msvc",
-  "version": "0.3.9",
+  "version": "0.4.0",
   "description": "High-performance VLQ source map codec powered by Rust",
   "keywords": [
     "codec",
diff --git a/packages/codec/package.json b/packages/codec/package.json
index ae8e308..150fe84 100644
--- a/packages/codec/package.json
+++ b/packages/codec/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@srcmap/codec",
-  "version": "0.3.9",
+  "version": "0.4.0",
   "description": "High-performance VLQ source map codec powered by Rust",
   "keywords": [
     "codec",
@@ -46,13 +46,13 @@
     "@napi-rs/cli": "^3.10.8"
   },
   "optionalDependencies": {
-    "@srcmap/codec-darwin-arm64": "0.3.9",
-    "@srcmap/codec-darwin-x64": "0.3.9",
-    "@srcmap/codec-linux-arm64-gnu": "0.3.9",
-    "@srcmap/codec-linux-arm64-musl": "0.3.9",
-    "@srcmap/codec-linux-x64-gnu": "0.3.9",
-    "@srcmap/codec-linux-x64-musl": "0.3.9",
-    "@srcmap/codec-win32-x64-msvc": "0.3.9"
+    "@srcmap/codec-darwin-arm64": "0.4.0",
+    "@srcmap/codec-darwin-x64": "0.4.0",
+    "@srcmap/codec-linux-arm64-gnu": "0.4.0",
+    "@srcmap/codec-linux-arm64-musl": "0.4.0",
+    "@srcmap/codec-linux-x64-gnu": "0.4.0",
+    "@srcmap/codec-linux-x64-musl": "0.4.0",
+    "@srcmap/codec-win32-x64-msvc": "0.4.0"
   },
   "napi": {
     "binaryName": "srcmap-codec",
diff --git a/packages/gen-mapping/package.json b/packages/gen-mapping/package.json
index 9ed4c90..068f05f 100644
--- a/packages/gen-mapping/package.json
+++ b/packages/gen-mapping/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@srcmap/gen-mapping",
-  "version": "0.3.9",
+  "version": "0.4.0",
   "description": "Drop-in replacement for @jridgewell/gen-mapping powered by Rust via WebAssembly",
   "keywords": [
     "builder",
@@ -41,7 +41,7 @@
     "test:coverage": "mkdir -p coverage && node --test --experimental-test-coverage --test-reporter=lcov --test-reporter-destination=coverage/lcov.info --test-reporter=spec --test-reporter-destination=stdout __tests__/gen-mapping.test.mjs"
   },
   "dependencies": {
-    "@srcmap/generator-wasm": "0.3.9",
-    "@srcmap/sourcemap-wasm": "0.3.9"
+    "@srcmap/generator-wasm": "0.4.0",
+    "@srcmap/sourcemap-wasm": "0.4.0"
   }
 }
diff --git a/packages/generator-wasm/package.json b/packages/generator-wasm/package.json
index a27c0de..7b8d2b3 100644
--- a/packages/generator-wasm/package.json
+++ b/packages/generator-wasm/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@srcmap/generator-wasm",
-  "version": "0.3.9",
+  "version": "0.4.0",
   "description": "High-performance source map generator powered by Rust (WebAssembly)",
   "keywords": [
     "browser",
diff --git a/packages/remapping-wasm/package.json b/packages/remapping-wasm/package.json
index 5912497..26637dd 100644
--- a/packages/remapping-wasm/package.json
+++ b/packages/remapping-wasm/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@srcmap/remapping-wasm",
-  "version": "0.3.9",
+  "version": "0.4.0",
   "description": "High-performance source map concatenation and remapping powered by Rust (WebAssembly)",
   "keywords": [
     "browser",
diff --git a/packages/remapping/package.json b/packages/remapping/package.json
index a8b5fd2..8765e88 100644
--- a/packages/remapping/package.json
+++ b/packages/remapping/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@srcmap/remapping",
-  "version": "0.3.9",
+  "version": "0.4.0",
   "description": "Drop-in replacement for @jridgewell/remapping and @ampproject/remapping powered by Rust via WebAssembly",
   "keywords": [
     "composition",
@@ -42,7 +42,7 @@
     "test:compat": "node --test __tests__/compat.test.mjs"
   },
   "dependencies": {
-    "@srcmap/remapping-wasm": "0.3.9"
+    "@srcmap/remapping-wasm": "0.4.0"
   },
   "devDependencies": {
     "@jridgewell/remapping": "^2.3.5"
diff --git a/packages/source-map/package.json b/packages/source-map/package.json
index c3baf8c..9f344a7 100644
--- a/packages/source-map/package.json
+++ b/packages/source-map/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@srcmap/source-map",
-  "version": "0.3.9",
+  "version": "0.4.0",
   "description": "Drop-in replacement for Mozilla's source-map v0.6 API, powered by Rust via WebAssembly",
   "keywords": [
     "consumer",
@@ -40,7 +40,7 @@
     "test:coverage": "mkdir -p coverage && node --test --experimental-test-coverage --test-reporter=lcov --test-reporter-destination=coverage/lcov.info --test-reporter=spec --test-reporter-destination=stdout __tests__/source-map.test.mjs"
   },
   "dependencies": {
-    "@srcmap/generator-wasm": "0.3.9",
-    "@srcmap/sourcemap-wasm": "0.3.9"
+    "@srcmap/generator-wasm": "0.4.0",
+    "@srcmap/sourcemap-wasm": "0.4.0"
   }
 }
diff --git a/packages/sourcemap-wasm/package.json b/packages/sourcemap-wasm/package.json
index e6cb83a..53d3235 100644
--- a/packages/sourcemap-wasm/package.json
+++ b/packages/sourcemap-wasm/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@srcmap/sourcemap-wasm",
-  "version": "0.3.9",
+  "version": "0.4.0",
   "description": "High-performance source map parser and consumer powered by Rust (WebAssembly)",
   "keywords": [
     "browser",
diff --git a/packages/sourcemap/npm/darwin-arm64/package.json b/packages/sourcemap/npm/darwin-arm64/package.json
index 72fe224..564231f 100644
--- a/packages/sourcemap/npm/darwin-arm64/package.json
+++ b/packages/sourcemap/npm/darwin-arm64/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@srcmap/sourcemap-darwin-arm64",
-  "version": "0.3.9",
+  "version": "0.4.0",
   "description": "High-performance source map parser and consumer powered by Rust",
   "keywords": [
     "consumer",
diff --git a/packages/sourcemap/npm/darwin-x64/package.json b/packages/sourcemap/npm/darwin-x64/package.json
index 556a7d2..655e1b4 100644
--- a/packages/sourcemap/npm/darwin-x64/package.json
+++ b/packages/sourcemap/npm/darwin-x64/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@srcmap/sourcemap-darwin-x64",
-  "version": "0.3.9",
+  "version": "0.4.0",
   "description": "High-performance source map parser and consumer powered by Rust",
   "keywords": [
     "consumer",
diff --git a/packages/sourcemap/npm/linux-arm64-gnu/package.json b/packages/sourcemap/npm/linux-arm64-gnu/package.json
index 287f925..2aba243 100644
--- a/packages/sourcemap/npm/linux-arm64-gnu/package.json
+++ b/packages/sourcemap/npm/linux-arm64-gnu/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@srcmap/sourcemap-linux-arm64-gnu",
-  "version": "0.3.9",
+  "version": "0.4.0",
   "description": "High-performance source map parser and consumer powered by Rust",
   "keywords": [
     "consumer",
diff --git a/packages/sourcemap/npm/linux-arm64-musl/package.json b/packages/sourcemap/npm/linux-arm64-musl/package.json
index 9350b8e..81f9fd4 100644
--- a/packages/sourcemap/npm/linux-arm64-musl/package.json
+++ b/packages/sourcemap/npm/linux-arm64-musl/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@srcmap/sourcemap-linux-arm64-musl",
-  "version": "0.3.9",
+  "version": "0.4.0",
   "description": "High-performance source map parser and consumer powered by Rust",
   "keywords": [
     "consumer",
diff --git a/packages/sourcemap/npm/linux-x64-gnu/package.json b/packages/sourcemap/npm/linux-x64-gnu/package.json
index 571ce7e..9bda9ae 100644
--- a/packages/sourcemap/npm/linux-x64-gnu/package.json
+++ b/packages/sourcemap/npm/linux-x64-gnu/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@srcmap/sourcemap-linux-x64-gnu",
-  "version": "0.3.9",
+  "version": "0.4.0",
   "description": "High-performance source map parser and consumer powered by Rust",
   "keywords": [
     "consumer",
diff --git a/packages/sourcemap/npm/linux-x64-musl/package.json b/packages/sourcemap/npm/linux-x64-musl/package.json
index 1f469a5..57811b1 100644
--- a/packages/sourcemap/npm/linux-x64-musl/package.json
+++ b/packages/sourcemap/npm/linux-x64-musl/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@srcmap/sourcemap-linux-x64-musl",
-  "version": "0.3.9",
+  "version": "0.4.0",
   "description": "High-performance source map parser and consumer powered by Rust",
   "keywords": [
     "consumer",
diff --git a/packages/sourcemap/npm/win32-x64-msvc/package.json b/packages/sourcemap/npm/win32-x64-msvc/package.json
index 7b88bce..1f7d846 100644
--- a/packages/sourcemap/npm/win32-x64-msvc/package.json
+++ b/packages/sourcemap/npm/win32-x64-msvc/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@srcmap/sourcemap-win32-x64-msvc",
-  "version": "0.3.9",
+  "version": "0.4.0",
   "description": "High-performance source map parser and consumer powered by Rust",
   "keywords": [
     "consumer",
diff --git a/packages/sourcemap/package.json b/packages/sourcemap/package.json
index 56dbb07..c7c3c10 100644
--- a/packages/sourcemap/package.json
+++ b/packages/sourcemap/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@srcmap/sourcemap",
-  "version": "0.3.9",
+  "version": "0.4.0",
   "description": "High-performance source map parser and consumer powered by Rust",
   "keywords": [
     "consumer",
@@ -47,13 +47,13 @@
     "@napi-rs/cli": "^3.10.8"
   },
   "optionalDependencies": {
-    "@srcmap/sourcemap-darwin-arm64": "0.3.9",
-    "@srcmap/sourcemap-darwin-x64": "0.3.9",
-    "@srcmap/sourcemap-linux-arm64-gnu": "0.3.9",
-    "@srcmap/sourcemap-linux-arm64-musl": "0.3.9",
-    "@srcmap/sourcemap-linux-x64-gnu": "0.3.9",
-    "@srcmap/sourcemap-linux-x64-musl": "0.3.9",
-    "@srcmap/sourcemap-win32-x64-msvc": "0.3.9"
+    "@srcmap/sourcemap-darwin-arm64": "0.4.0",
+    "@srcmap/sourcemap-darwin-x64": "0.4.0",
+    "@srcmap/sourcemap-linux-arm64-gnu": "0.4.0",
+    "@srcmap/sourcemap-linux-arm64-musl": "0.4.0",
+    "@srcmap/sourcemap-linux-x64-gnu": "0.4.0",
+    "@srcmap/sourcemap-linux-x64-musl": "0.4.0",
+    "@srcmap/sourcemap-win32-x64-msvc": "0.4.0"
   },
   "napi": {
     "binaryName": "srcmap-sourcemap",
diff --git a/packages/symbolicate-wasm/package.json b/packages/symbolicate-wasm/package.json
index ba43b1a..b7a7e91 100644
--- a/packages/symbolicate-wasm/package.json
+++ b/packages/symbolicate-wasm/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@srcmap/symbolicate-wasm",
-  "version": "0.3.9",
+  "version": "0.4.0",
   "description": "Stack trace symbolication using source maps, powered by Rust (WebAssembly)",
   "keywords": [
     "browser",
diff --git a/packages/trace-mapping/package.json b/packages/trace-mapping/package.json
index c775c14..9d50719 100644
--- a/packages/trace-mapping/package.json
+++ b/packages/trace-mapping/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@srcmap/trace-mapping",
-  "version": "0.3.9",
+  "version": "0.4.0",
   "description": "Drop-in replacement for @jridgewell/trace-mapping powered by Rust via WebAssembly",
   "keywords": [
     "consumer",
@@ -41,7 +41,7 @@
     "test:coverage": "mkdir -p coverage && node --test --experimental-test-coverage --test-reporter=lcov --test-reporter-destination=coverage/lcov.info --test-reporter=spec --test-reporter-destination=stdout __tests__/trace-mapping.test.mjs"
   },
   "dependencies": {
-    "@srcmap/sourcemap-wasm": "0.3.9"
+    "@srcmap/sourcemap-wasm": "0.4.0"
   },
   "devDependencies": {
     "@jridgewell/sourcemap-codec": "^1.6.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index b808eab..c8ac739 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -47,34 +47,48 @@ importers:
         version: 3.10.8(@emnapi/core@1.11.2)(@emnapi/runtime@1.11.2)
     optionalDependencies:
       '@srcmap/codec-darwin-arm64':
-        specifier: 0.3.9
-        version: 0.3.9
+        specifier: 0.4.0
+        version: link:npm/darwin-arm64
       '@srcmap/codec-darwin-x64':
-        specifier: 0.3.9
-        version: 0.3.9
+        specifier: 0.4.0
+        version: link:npm/darwin-x64
       '@srcmap/codec-linux-arm64-gnu':
-        specifier: 0.3.9
-        version: 0.3.9
+        specifier: 0.4.0
+        version: link:npm/linux-arm64-gnu
       '@srcmap/codec-linux-arm64-musl':
-        specifier: 0.3.9
-        version: 0.3.9
+        specifier: 0.4.0
+        version: link:npm/linux-arm64-musl
       '@srcmap/codec-linux-x64-gnu':
-        specifier: 0.3.9
-        version: 0.3.9
+        specifier: 0.4.0
+        version: link:npm/linux-x64-gnu
       '@srcmap/codec-linux-x64-musl':
-        specifier: 0.3.9
-        version: 0.3.9
+        specifier: 0.4.0
+        version: link:npm/linux-x64-musl
       '@srcmap/codec-win32-x64-msvc':
-        specifier: 0.3.9
-        version: 0.3.9
+        specifier: 0.4.0
+        version: link:npm/win32-x64-msvc
+
+  packages/codec/npm/darwin-arm64: {}
+
+  packages/codec/npm/darwin-x64: {}
+
+  packages/codec/npm/linux-arm64-gnu: {}
+
+  packages/codec/npm/linux-arm64-musl: {}
+
+  packages/codec/npm/linux-x64-gnu: {}
+
+  packages/codec/npm/linux-x64-musl: {}
+
+  packages/codec/npm/win32-x64-msvc: {}
 
   packages/gen-mapping:
     dependencies:
       '@srcmap/generator-wasm':
-        specifier: 0.3.9
+        specifier: 0.4.0
         version: link:../generator-wasm
       '@srcmap/sourcemap-wasm':
-        specifier: 0.3.9
+        specifier: 0.4.0
         version: link:../sourcemap-wasm
 
   packages/generator-wasm: {}
@@ -82,7 +96,7 @@ importers:
   packages/remapping:
     dependencies:
       '@srcmap/remapping-wasm':
-        specifier: 0.3.9
+        specifier: 0.4.0
         version: link:../remapping-wasm
     devDependencies:
       '@jridgewell/remapping':
@@ -94,10 +108,10 @@ importers:
   packages/source-map:
     dependencies:
       '@srcmap/generator-wasm':
-        specifier: 0.3.9
+        specifier: 0.4.0
         version: link:../generator-wasm
       '@srcmap/sourcemap-wasm':
-        specifier: 0.3.9
+        specifier: 0.4.0
         version: link:../sourcemap-wasm
 
   packages/sourcemap:
@@ -111,35 +125,49 @@ importers:
         version: 3.10.8(@emnapi/core@1.11.2)(@emnapi/runtime@1.11.2)
     optionalDependencies:
       '@srcmap/sourcemap-darwin-arm64':
-        specifier: 0.3.9
-        version: 0.3.9
+        specifier: 0.4.0
+        version: link:npm/darwin-arm64
       '@srcmap/sourcemap-darwin-x64':
-        specifier: 0.3.9
-        version: 0.3.9
+        specifier: 0.4.0
+        version: link:npm/darwin-x64
       '@srcmap/sourcemap-linux-arm64-gnu':
-        specifier: 0.3.9
-        version: 0.3.9
+        specifier: 0.4.0
+        version: link:npm/linux-arm64-gnu
       '@srcmap/sourcemap-linux-arm64-musl':
-        specifier: 0.3.9
-        version: 0.3.9
+        specifier: 0.4.0
+        version: link:npm/linux-arm64-musl
       '@srcmap/sourcemap-linux-x64-gnu':
-        specifier: 0.3.9
-        version: 0.3.9
+        specifier: 0.4.0
+        version: link:npm/linux-x64-gnu
       '@srcmap/sourcemap-linux-x64-musl':
-        specifier: 0.3.9
-        version: 0.3.9
+        specifier: 0.4.0
+        version: link:npm/linux-x64-musl
       '@srcmap/sourcemap-win32-x64-msvc':
-        specifier: 0.3.9
-        version: 0.3.9
+        specifier: 0.4.0
+        version: link:npm/win32-x64-msvc
 
   packages/sourcemap-wasm: {}
 
+  packages/sourcemap/npm/darwin-arm64: {}
+
+  packages/sourcemap/npm/darwin-x64: {}
+
+  packages/sourcemap/npm/linux-arm64-gnu: {}
+
+  packages/sourcemap/npm/linux-arm64-musl: {}
+
+  packages/sourcemap/npm/linux-x64-gnu: {}
+
+  packages/sourcemap/npm/linux-x64-musl: {}
+
+  packages/sourcemap/npm/win32-x64-msvc: {}
+
   packages/symbolicate-wasm: {}
 
   packages/trace-mapping:
     dependencies:
       '@srcmap/sourcemap-wasm':
-        specifier: 0.3.9
+        specifier: 0.4.0
         version: link:../sourcemap-wasm
     devDependencies:
       '@jridgewell/sourcemap-codec':
@@ -1029,84 +1057,6 @@ packages:
     cpu: [x64]
     os: [win32]
 
-  '@srcmap/codec-darwin-arm64@0.3.9':
-    resolution: {integrity: sha512-iN3V9EiG7oBdS8TXLpNMAYGjXzmEJFxOxIHTZ5PbuZ3wjRC7H0ZaJQSLa56lAcHktQxRalrEgNWxP0n9M8fmAg==}
-    cpu: [arm64]
-    os: [darwin]
-
-  '@srcmap/codec-darwin-x64@0.3.9':
-    resolution: {integrity: sha512-NTZTANJ2PeytTtVNhO/CV88YDVnHvCtOd8qQz2sMfPEL3ycJmirsznX5xCgulH12S39//qTcVzOumn66IGi9nA==}
-    cpu: [x64]
-    os: [darwin]
-
-  '@srcmap/codec-linux-arm64-gnu@0.3.9':
-    resolution: {integrity: sha512-+k9Y3Vbki99qyuYzf6RzgWRCgff4C0Y2H9Js5iANf+TZt6Z8fltIy8PdGdze0HDIjb2Q3j2cQ+qhCRBR6rvGEw==}
-    cpu: [arm64]
-    os: [linux]
-    libc: [glibc]
-
-  '@srcmap/codec-linux-arm64-musl@0.3.9':
-    resolution: {integrity: sha512-5c521IKsNicWWsaM21ytKaRDejY6d+cpBBjZtoiIRDPhaYKbRykrKXxov+F1NT6qHTQ8WyxY1uJWQCt6my18jg==}
-    cpu: [arm64]
-    os: [linux]
-    libc: [musl]
-
-  '@srcmap/codec-linux-x64-gnu@0.3.9':
-    resolution: {integrity: sha512-F5nCjKk7vrDAKEeafNa0XSNiFOp0T5wW/hScPZsFBQraE+LIwXh8jlm96g2tIGT3D7B3jjDS3/rUhwDfyH9Xig==}
-    cpu: [x64]
-    os: [linux]
-    libc: [glibc]
-
-  '@srcmap/codec-linux-x64-musl@0.3.9':
-    resolution: {integrity: sha512-J3ooHoKJDpmOsrYAhWTbjCxMsrR5v9NQ+b8hKBzbt2DHTrCfkVWsqiUR1jxZ3YQadvLaCu6kCbNDzY+Nmw38XA==}
-    cpu: [x64]
-    os: [linux]
-    libc: [musl]
-
-  '@srcmap/codec-win32-x64-msvc@0.3.9':
-    resolution: {integrity: sha512-U5g8j6udoEdsEGwecSsd0J9Q8eCB9Hg2sDO2l4w/NjDGS3utbacQVArlKGHg8YLmaAcQnvxoQMMH3P2xZg7b/w==}
-    cpu: [x64]
-    os: [win32]
-
-  '@srcmap/sourcemap-darwin-arm64@0.3.9':
-    resolution: {integrity: sha512-uNZJsp8l+7FSkqsTVfC6yS3UhZLjnAbwl/tTNNO380xp70V9gJjgzidke5Evoo6uxXNLAIkSMOPbQBHSAqQShg==}
-    cpu: [arm64]
-    os: [darwin]
-
-  '@srcmap/sourcemap-darwin-x64@0.3.9':
-    resolution: {integrity: sha512-mQMeLOLv88EHW/ntc+FUkowgwuvhaDAfUuDKvJC8j7Or13xEIPwD1yimpZPATk/Bb6L0Hd2+BJNBILVYLH2PQA==}
-    cpu: [x64]
-    os: [darwin]
-
-  '@srcmap/sourcemap-linux-arm64-gnu@0.3.9':
-    resolution: {integrity: sha512-ByT1/DVg8VM3f6LkN/4CR6x8vgL5HjMkqqo705jvViy9Q2OvTOarSvvkfJLHH5Jgc7PHPUCamNedvGRYtWWbJQ==}
-    cpu: [arm64]
-    os: [linux]
-    libc: [glibc]
-
-  '@srcmap/sourcemap-linux-arm64-musl@0.3.9':
-    resolution: {integrity: sha512-TLQXoqyPF4tYuEifzPon7eHkIRJGG1MmPNw07ESPuSWfoUf8oeGjMlZ0gs086pDp/MIaLTmf98rCLMWJTxH9Jw==}
-    cpu: [arm64]
-    os: [linux]
-    libc: [musl]
-
-  '@srcmap/sourcemap-linux-x64-gnu@0.3.9':
-    resolution: {integrity: sha512-46NTXtO0m/CMFgAP6LxmQgD0ICsIfDSnAdeRhkwOt7pB694zEmWO6OFBBB08MzHKB1WiHrBm9cbGeSspRWtERg==}
-    cpu: [x64]
-    os: [linux]
-    libc: [glibc]
-
-  '@srcmap/sourcemap-linux-x64-musl@0.3.9':
-    resolution: {integrity: sha512-jFX/6t0HtJjCRRrOZQtC3HO+lMPyEhN8+g5JfIjCdcD2ABmKbd6b34qn+WNCYQcSfQG9W3RpCtGibg2k9OpSGA==}
-    cpu: [x64]
-    os: [linux]
-    libc: [musl]
-
-  '@srcmap/sourcemap-win32-x64-msvc@0.3.9':
-    resolution: {integrity: sha512-X42MlLOOJsqqN6mNLc5yIK9RBcCvVSHHdwW2DAovYnjRF0XClM+7DvfRLM5yLxcPiSrn1hHpyAqsgMoydWZfiA==}
-    cpu: [x64]
-    os: [win32]
-
   '@tybys/wasm-util@0.10.4':
     resolution: {integrity: sha512-W3c4gRigFS0T/Ma4qIYF3GDAc5AQdHb1yL5znJT1Zv1YaD9Kitx656wBjvr19qbiosmZT8lWDM5BEMynUqX65A==}
 
@@ -2143,48 +2093,6 @@ snapshots:
   '@oxlint/binding-win32-x64-msvc@1.87.0':
     optional: true
 
-  '@srcmap/codec-darwin-arm64@0.3.9':
-    optional: true
-
-  '@srcmap/codec-darwin-x64@0.3.9':
-    optional: true
-
-  '@srcmap/codec-linux-arm64-gnu@0.3.9':
-    optional: true
-
-  '@srcmap/codec-linux-arm64-musl@0.3.9':
-    optional: true
-
-  '@srcmap/codec-linux-x64-gnu@0.3.9':
-    optional: true
-
-  '@srcmap/codec-linux-x64-musl@0.3.9':
-    optional: true
-
-  '@srcmap/codec-win32-x64-msvc@0.3.9':
-    optional: true
-
-  '@srcmap/sourcemap-darwin-arm64@0.3.9':
-    optional: true
-
-  '@srcmap/sourcemap-darwin-x64@0.3.9':
-    optional: true
-
-  '@srcmap/sourcemap-linux-arm64-gnu@0.3.9':
-    optional: true
-
-  '@srcmap/sourcemap-linux-arm64-musl@0.3.9':
-    optional: true
-
-  '@srcmap/sourcemap-linux-x64-gnu@0.3.9':
-    optional: true
-
-  '@srcmap/sourcemap-linux-x64-musl@0.3.9':
-    optional: true
-
-  '@srcmap/sourcemap-win32-x64-msvc@0.3.9':
-    optional: true
-
   '@tybys/wasm-util@0.10.4':
     dependencies:
       tslib: 2.8.1
diff --git a/pnpm-workspace.yaml b/pnpm-workspace.yaml
index 83afc1d..cdb0a44 100644
--- a/pnpm-workspace.yaml
+++ b/pnpm-workspace.yaml
@@ -1,12 +1,14 @@
 packages:
   - benchmarks
   - packages/codec
+  - packages/codec/npm/*
   - packages/gen-mapping
   - packages/generator-wasm
   - packages/remapping
   - packages/remapping-wasm
   - packages/source-map
   - packages/sourcemap
+  - packages/sourcemap/npm/*
   - packages/sourcemap-wasm
   - packages/symbolicate-wasm
   - packages/trace-mapping