diff --git a/CHANGELOG.md b/CHANGELOG.md
index d5a24c3cf7e8..af56f5030aec 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,7 @@
 # Changelog
 
+## 0.266.0
+
 ## 0.265.0
 
 <details><summary>googleads/ad-manager 0.1.0</summary>