diff --git a/CHANGELOG b/CHANGELOG
index 25b4c2059..39fb97c7c 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,9 @@
+mkdocs-material-8.2.15+insiders-4.15.1 (2022-05-14)
+
+  * Fixed #3531: Added prev/next buttons to content tabs
+  * Fixed tooltip positioning when host element is hidden
+  * Improved performance of element focus obervables
+
 mkdocs-material-8.2.15 (2022-05-14)
 
   * Added Uzbek translations
diff --git a/docs/insiders/changelog.md b/docs/insiders/changelog.md
index 0d04ff1fb..9242454fe 100644
--- a/docs/insiders/changelog.md
+++ b/docs/insiders/changelog.md
@@ -6,6 +6,12 @@ template: overrides/main.html
 
 ## Material for MkDocs Insiders
 
+### 4.15.1 <small>_ May 14, 2022</small> { id="4.15.1" }
+
+- Fixed #3531: Added prev/next buttons to content tabs
+- Fixed tooltip positioning when host element is hidden
+- Improved performance of element focus obervables
+
 ### 4.15.0 <small>_ May 8, 2022</small> { id="4.15.0" }
 
 - Added support for improved tooltips