diff --git a/changelog.txt b/changelog.txt
index 1955794cab..74d561b8b3 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -3,6 +3,20 @@ Hibernate 5 Changelog
 
 Note: Please refer to JIRA to learn more about each issue.
 
+Changes in 5.5.9.Final (December 16, 2021)
+------------------------------------------------------------------------------------------------------------------------
+
+https://hibernate.atlassian.net/projects/HHH/versions/31994
+
+** Bug
+    * [HHH-14972] - log4j2 <= 2.14.1 has an RCE (CVE-2021-44228)
+    * [HHH-14757] - Cannot save (dirty check failed) single element GeometryCollection
+    * [HHH-14540] - Interceptor instance is shared between ORM session and Enver's temporary session resulting in multiple calls.
+
+** Task
+    * [HHH-14979] - Upgrade to Log4J 2 2.16.0
+
+
 Changes in 5.5.8.Final (October 13, 2021)
 ------------------------------------------------------------------------------------------------------------------------
 
diff --git a/gradle/version.properties b/gradle/version.properties
index ab9f0d1c88..c43241adfe 100644
--- a/gradle/version.properties
+++ b/gradle/version.properties
@@ -1 +1 @@
-hibernateVersion=5.5.9-SNAPSHOT
\ No newline at end of file
+hibernateVersion=5.5.9.Final
\ No newline at end of file