diff --git a/CHANGELOG b/CHANGELOG
index c67f4925a..a3550c035 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,8 @@
+mkdocs-material-8.4.0+insiders-4.21.1 (2022-08-13)
+
+  * Fixed #4176: Broken image when avatar is served by Gravatar
+  * Fixed #4212: Deferred search initialization for file:// locations
+
 mkdocs-material-8.4.0 (2022-08-13)
 
   * Added support for cookie consent
diff --git a/docs/insiders/changelog.md b/docs/insiders/changelog.md
index d200fd9c2..b86e9860c 100644
--- a/docs/insiders/changelog.md
+++ b/docs/insiders/changelog.md
@@ -6,6 +6,11 @@ template: overrides/main.html
 
 ## Material for MkDocs Insiders
 
+### 4.21.1 <small>_ August 13, 2022</small> { id="4.21.1" }
+
+- Fixed #4176: Broken image when avatar is served by Gravatar
+- Fixed #4212: Deferred search initialization for file:// locations
+
 ### 4.21.0 <small>_ July 17, 2022</small> { id="4.21.0" }
 
 - Added meta plugin: set front matter for all pages in a folder