diff --git a/CHANGELOG b/CHANGELOG
index 5ddec03ee..0f4905dd4 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,8 @@
+mkdocs-material-7.2.1+insiders-2.12.1 (2021-07-26)
+
+  * Fixed error in social cards plugin when site_description was not set
+  * Fixed error in social cards plugin for non-ASCII characters
+
 mkdocs-material-7.2.1+insiders-2.12.0 (2021-07-25)
 
   * Added support for social cards
diff --git a/docs/insiders/changelog.md b/docs/insiders/changelog.md
index 6ea2e00cc..c1df46e52 100644
--- a/docs/insiders/changelog.md
+++ b/docs/insiders/changelog.md
@@ -6,6 +6,11 @@ template: overrides/main.html
 
 ## Material for MkDocs Insiders
 
+### 2.12.1 <small>_ July 26, 2021</small>
+
+- Fixed error in social cards plugin when `site_description` was not set
+- Fixed error in social cards plugin for non-ASCII characters
+
 ### 2.12.0 <small>_ July 25, 2021</small>
 
 - Added support for social cards