diff --git a/.changeset/fresh-apricots-heal.md b/.changeset/fresh-apricots-heal.md
deleted file mode 100644
index b85e9a532..000000000
--- a/.changeset/fresh-apricots-heal.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-"mobx": patch
----
-
-Fix ES6 Map/Set checks for cross-window scripts
diff --git a/packages/mobx/CHANGELOG.md b/packages/mobx/CHANGELOG.md
index 8ae0ed69f..8eb7f52eb 100644
--- a/packages/mobx/CHANGELOG.md
+++ b/packages/mobx/CHANGELOG.md
@@ -1,5 +1,11 @@
 # mobx
 
+## 6.12.5
+
+### Patch Changes
+
+-   [`ba890343`](https://github.com/mobxjs/mobx/commit/ba8903430ce96746db5dcde6b78edeb195ea8018) [#3893](https://github.com/mobxjs/mobx/pull/3893) Thanks [@g6123](https://github.com/g6123)! - Fix ES6 Map/Set checks for cross-window scripts
+
 ## 6.12.4
 
 ### Patch Changes
diff --git a/packages/mobx/package.json b/packages/mobx/package.json
index 2966a2ce3..ec15bb397 100644
--- a/packages/mobx/package.json
+++ b/packages/mobx/package.json
@@ -1,6 +1,6 @@
 {
     "name": "mobx",
-    "version": "6.12.4",
+    "version": "6.12.5",
     "description": "Simple, scalable state management.",
     "source": "src/mobx.ts",
     "main": "dist/index.js",