diff --git a/CHANGELOG.md b/CHANGELOG.md
index f514f748b5..29813e9fcb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,10 @@
 
 - Added capability to test commands through the `MockConnectionHandler`. [#1437](https://github.com/spatialos/gdk-for-unity/pull/1437)
 
+### Changed
+
+- Updated the pinned Runtime version to `14.5.4`. [#1446](https://github.com/spatialos/gdk-for-unity/pull/1446)
+
 ### Fixed
 
 - Fixed an `IndexOutOfRangeException` that could be thrown when editing your 'Build Configuration' asset. [#1441](https://github.com/spatialos/gdk-for-unity/pull/1441)
diff --git a/workers/unity/Packages/io.improbable.gdk.tools/runtime.pinned b/workers/unity/Packages/io.improbable.gdk.tools/runtime.pinned
index 7cfd50ed71..9b735d3f79 100644
--- a/workers/unity/Packages/io.improbable.gdk.tools/runtime.pinned
+++ b/workers/unity/Packages/io.improbable.gdk.tools/runtime.pinned
@@ -1 +1 @@
-14.5.2
+14.5.4