diff --git a/CHANGELOG.md b/CHANGELOG.md
index 38ee65eb..f94da386 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## 1.66.1 – 2024-09-30
+
+- Use flags in moving average plot only with MWRpy products
+
 ## 1.66.0 – 2024-09-24
 
 - Implement rain and melting layer attenuations
diff --git a/cloudnetpy/version.py b/cloudnetpy/version.py
index b44c283f..d1aaba83 100644
--- a/cloudnetpy/version.py
+++ b/cloudnetpy/version.py
@@ -1,4 +1,4 @@
 MAJOR = 1
 MINOR = 66
-PATCH = 0
+PATCH = 1
 __version__ = f"{MAJOR}.{MINOR}.{PATCH}"