diff --git a/CHANGES.txt b/CHANGES.txt
index 579cea24d8..c166202e3a 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,3 +1,6 @@
+3.11.13
+
+
 3.11.12
  * Upgrade snakeyaml to 1.26 in 3.11 (CASSANDRA=17028)
  * Add key validation to ssstablescrub (CASSANDRA-16969)
diff --git a/build.xml b/build.xml
index 9c847ff952..60665e335e 100644
--- a/build.xml
+++ b/build.xml
@@ -24,7 +24,7 @@
     <property name="debuglevel" value="source,lines,vars"/>
 
     <!-- default version and SCM information -->
-    <property name="base.version" value="3.11.12"/>
+    <property name="base.version" value="3.11.13"/>
     <property name="scm.connection" value="scm:https://gitbox.apache.org/repos/asf/cassandra.git"/>
     <property name="scm.developerConnection" value="scm:https://gitbox.apache.org/repos/asf/cassandra.git"/>
     <property name="scm.url" value="https://gitbox.apache.org/repos/asf?p=cassandra.git;a=tree"/>
diff --git a/debian/changelog b/debian/changelog
index afd3438721..cfef5fd860 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+cassandra (3.11.13) UNRELEASED; urgency=medium
+
+  * New release
+
+ -- Mick Semb Wever <mck@apache.org>  Mon, 07 Feb 2022 13:55:35 +0100
+
 cassandra (3.11.12) unstable; urgency=medium
 
   * New release