diff --git a/CHANGES.md b/CHANGES.md
index ba98b37..ac4444f 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,3 +1,6 @@
+5.5.1 2024-02-22
+- Support for Python 3.12
+
 5.5.0 2023-10-03
 - Score percentiles for Score API
 
diff --git a/sift/version.py b/sift/version.py
index e3f5976..9d6e80b 100644
--- a/sift/version.py
+++ b/sift/version.py
@@ -1,2 +1,2 @@
-VERSION = '5.5.0'
+VERSION = '5.5.1'
 API_VERSION = '205'