diff --git a/CHANGELOG b/CHANGELOG
index ec44f95db..b57582135 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,8 @@
+mkdocs-material-6.1.7+insiders-1.13.1 (2020-12-20)
+
+  * Removed horizontal scrollbars on language and version selector
+  * Fixed type conversion in JavaScript config (#6)
+
 mkdocs-material-6.1.7+insiders-1.13.0 (2020-12-13)
 
   * Refactored navigation tabs to simplify grouping behavior
diff --git a/docs/changelog.md b/docs/changelog.md
index 021dff1b9..579cbb2b2 100644
--- a/docs/changelog.md
+++ b/docs/changelog.md
@@ -6,6 +6,11 @@ template: overrides/main.html
 
 ## Material for MkDocs Insiders
 
+### 1.13.1 <small>_ December 13, 2020</small>
+
+- Removed horizontal scrollbars on language and version selector
+- Fixed type conversion in JavaScript config
+
 ### 1.13.0 <small>_ December 13, 2020</small>
 
 - Refactored navigation tabs to simplify grouping behavior