diff --git a/CHANGELOG b/CHANGELOG
index e3a40e950..6aa02a040 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,8 @@
+mkdocs-material-8.5.2+insiders-4.23.5 (2022-09-18)
+
+  * Fixed #4367: Improved blog plugin date handling for MultiMarkdown syntax
+  * Fixed #4374: Fixed invalid URLs of related links to other blog posts
+
 mkdocs-material-8.5.2 (2022-09-18)
 
   * Updated Mermaid.js to version 9.1.7
diff --git a/docs/insiders/changelog.md b/docs/insiders/changelog.md
index 09037e7fc..87d9cb5b1 100644
--- a/docs/insiders/changelog.md
+++ b/docs/insiders/changelog.md
@@ -6,6 +6,11 @@ template: overrides/main.html
 
 ## Material for MkDocs Insiders
 
+### 4.23.5 <small>_ September 18, 2022</small> { id="4.23.5" }
+
+- Fixed #4367: Improved blog plugin date handling for MultiMarkdown syntax
+- Fixed #4374: Fixed invalid URLs of related links to other blog posts
+
 ### 4.23.4 <small>_ September 14, 2022</small> { id="4.23.4" }
 
 - Fixed #4365: Recursion error in blog plugin due to `deepcopy`