diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index bb87e5661..9fc3dcf7a 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -2,7 +2,7 @@
   ".": "1.9.0",
   "packages/loop_common": "0.1.0",
   "packages/loop_interpolation": "0.1.0",
-  "packages/loop_interpolation_core": "0.1.0",
+  "packages/loop_interpolation_core": "1.6.5",
   "packages/map2loop": "3.5.1",
   "packages/loopstructural_visualisation": "0.2.2"
 }
diff --git a/packages/loop_interpolation_core/CHANGELOG.md b/packages/loop_interpolation_core/CHANGELOG.md
new file mode 100644
index 000000000..d563930d8
--- /dev/null
+++ b/packages/loop_interpolation_core/CHANGELOG.md
@@ -0,0 +1,14 @@
+# Changelog
+
+## [1.6.5](https://github.com/Loop3D/LoopStructural/compare/loop-interpolation-core-v0.1.0...loop-interpolation-core-v1.6.5) (2026-10-28)
+
+
+### Features
+
+* **loop-interpolation-core:** add a low-memory native solver for Python and the browser ([#354](https://github.com/Loop3D/LoopStructural/issues/354)) ([e5c7539](https://github.com/Loop3D/LoopStructural/commit/e5c7539c63c64d4cdc18e6b9eb76d44386ad4e92))
+
+
+### Miscellaneous Chores
+
+* release 1.6.4 ([f06616f](https://github.com/Loop3D/LoopStructural/commit/f06616f8fac0ca3cfc58377524245952f56e686b))
+* release 1.6.5 ([246e48d](https://github.com/Loop3D/LoopStructural/commit/246e48d86a99e9d1e96ab9a2d9567374ffcf8622))
diff --git a/packages/loop_interpolation_core/Cargo.toml b/packages/loop_interpolation_core/Cargo.toml
index 9e18ea4b7..748dc41eb 100644
--- a/packages/loop_interpolation_core/Cargo.toml
+++ b/packages/loop_interpolation_core/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "loop-interpolation-core"
-version = "0.1.0"
+version = "1.6.5"
 edition = "2024"
 
 [lib]
diff --git a/packages/loop_interpolation_core/pyproject.toml b/packages/loop_interpolation_core/pyproject.toml
index 4d27277b0..988a491ce 100644
--- a/packages/loop_interpolation_core/pyproject.toml
+++ b/packages/loop_interpolation_core/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "maturin"
 
 [project]
 name = "loop-interpolation-core"
-version = "0.1.0"
+version = "1.6.5"
 description = "Native (Rust) core for the low-memory LoopStructural interpolator"
 readme = "README.md"
 requires-python = ">=3.9"