diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4a7254c..64c26ab 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,14 @@ uses [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
 
+## [0.6.0] - 2026-09-25
+
+0.6.0 rebuilds the SDK from Kalshi's published specs. `KalshiClient` covers all
+117 Predictions REST operations and `WebSocketClient` every channel, with the
+specs' names and types. The WebSocket client reconnects and resubscribes on its
+own, and Ed25519 keys, retries, and rate limits are new. This release breaks
+the 0.5 API; "Migrating from 0.5" below lists what changed.
+
 ### Added
 
 - An API reference built from the headers with `make docs` and published to
@@ -755,7 +763,8 @@ uses [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [0.0.2] — initial public release
 
-[Unreleased]: https://github.com/Reddimus/kalshi-cpp/compare/v0.5.2...HEAD
+[Unreleased]: https://github.com/Reddimus/kalshi-cpp/compare/v0.6.0...HEAD
+[0.6.0]: https://github.com/Reddimus/kalshi-cpp/compare/v0.5.2...v0.6.0
 [0.5.2]: https://github.com/Reddimus/kalshi-cpp/compare/v0.5.1...v0.5.2
 [0.5.1]: https://github.com/Reddimus/kalshi-cpp/compare/v0.5.0...v0.5.1
 [0.5.0]: https://github.com/Reddimus/kalshi-cpp/compare/v0.4.9...v0.5.0
diff --git a/CLAUDE.md b/CLAUDE.md
index f9c9e56..a044f0b 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -18,6 +18,9 @@ using an injected `HttpTransport`.
 - WebSocketClient callbacks run on its network thread and may call any
   method, including the destructor. Keep that working when changing
   `src/ws/websocket.cpp`; `tests/test_ws_client.cpp` covers it.
+- libwebsockets 4.4+ calls `OPENSSL_cleanup()` when its last TLS context is
+  destroyed, which breaks all later TLS in the process. The context that
+  `keep_openssl_initialized()` never destroys is deliberate; keep it.
 - Public failures use `std::expected<T, Error>`. Preserve typed, non-throwing
   boundaries when validating input or transport state.
 - Glaze reads and writes every JSON payload. Glaze reflection needs types
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 135f0da..0702884 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,7 +1,7 @@
 # Fetching Glaze needs CMake 3.31; an installed Glaze works with 3.21.
 cmake_minimum_required(VERSION 3.21...4.4)
 project(kalshi-cpp
-    VERSION 0.5.2
+    VERSION 0.6.0
     DESCRIPTION "C++23 client for the Kalshi Predictions API"
     HOMEPAGE_URL "https://github.com/Reddimus/kalshi-cpp"
     LANGUAGES CXX)
diff --git a/README.md b/README.md
index 9bf9a7d..602ac84 100644
--- a/README.md
+++ b/README.md
@@ -35,7 +35,7 @@ ctest --test-dir build --output-on-failure
 include(FetchContent)
 FetchContent_Declare(kalshi
   GIT_REPOSITORY https://github.com/Reddimus/kalshi-cpp.git
-  GIT_TAG v0.5.2)
+  GIT_TAG v0.6.0)
 FetchContent_MakeAvailable(kalshi)
 target_link_libraries(myapp PRIVATE kalshi::kalshi)
 ```