diff --git a/CHANGELOG b/CHANGELOG
index e9af70f3d..986cd571f 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,9 @@
+mkdocs-material-8.5.6+insiders-4.25.5 (2022-10-16)
+
+  * Updated MkDocs to 1.4.1
+  * Added namespace prefix to built-in plugins
+  * Updated content and header partial
+
 mkdocs-material-8.5.6+insiders-4.25.4 (2022-10-09)
 
   * Fixed other path issues for standalone blogs (4.24.2 regression)
diff --git a/docs/insiders/changelog.md b/docs/insiders/changelog.md
index b16d6578a..c372ab91e 100644
--- a/docs/insiders/changelog.md
+++ b/docs/insiders/changelog.md
@@ -6,6 +6,12 @@ template: overrides/main.html
 
 ## Material for MkDocs Insiders
 
+### 4.25.5 <small>_ October 16, 2022</small> { id="4.25.5" }
+
+- Updated MkDocs to 1.4.1
+- Added namespace prefix to built-in plugins
+- Updated `content` and `header` partial
+
 ### 4.25.4 <small>_ October 9, 2022</small> { id="4.25.4" }
 
 - Fixed other path issues for standalone blogs (4.24.2 regression)