diff --git a/CHANGELOG b/CHANGELOG
index d8d25fec4..f1c809c25 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,11 @@
+mkdocs-material-9.1.21+insiders-4.38.1 (2023-08-01)
+
+  * Improved nested serve mode for projects plugin
+  * Improved compat in privacy plugin with third-party plugins
+  * Fixed #5790: Typeset plugin ignores data-toc-label attribute
+  * Fixed #5778: Interplay of privacy plugin with git-revision-date-localized
+  * Fixed #5773: Info plugin erroring when community edition is in beta
+
 mkdocs-material-9.1.21+insiders-4.38.0 (2023-07-29)
 
   * Added projects plugin for building nested projects
diff --git a/docs/insiders/changelog.md b/docs/insiders/changelog.md
index d24813ddd..8ad85f9dc 100644
--- a/docs/insiders/changelog.md
+++ b/docs/insiders/changelog.md
@@ -2,6 +2,14 @@
 
 ## Material for MkDocs Insiders
 
+### 4.38.1 <small>August 1, 2023</small> { id="4.38.1" }
+
+- Improved nested serve mode for projects plugin
+- Improved compat in privacy plugin with third-party plugins
+- Fixed #5790: Typeset plugin ignores data-toc-label attribute
+- Fixed #5778: Interplay of privacy plugin with git-revision-date-localized
+- Fixed #5773: Info plugin erroring when community edition is in beta
+
 ### 4.38.0 <small>July 29, 2023</small> { id="4.38.0" }
 
 - Added projects plugin for building nested projects