diff --git a/CHANGELOG.md b/CHANGELOG.md
index ccad55f..c3c3c4a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## 1.15.3 – 2023-11-22
+
+- Make rainfall_rate optional in categorize file
+
 ## 1.15.2 – 2023-11-22
 
 - Fix typo in product definition
diff --git a/cloudnetpy_qc/version.py b/cloudnetpy_qc/version.py
index c47fcfd..350daef 100644
--- a/cloudnetpy_qc/version.py
+++ b/cloudnetpy_qc/version.py
@@ -1,5 +1,5 @@
 """Cloudnetpy-QC version."""
 MAJOR = 1
 MINOR = 15
-PATCH = 2
+PATCH = 3
 __version__ = f"{MAJOR}.{MINOR}.{PATCH}"