diff --git a/CHANGES.txt b/CHANGES.txt
index 0fbc61ba67..005d97f1fb 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,3 +1,8 @@
+3.11.15
+Merged from 3.0:
+ * Fix running Ant rat targets without git (CASSANDRA-17974)
+
+
 3.11.14
  * Suppress CVE-2022-42003 and CVE-2022-42004 (CASSANDRA-17966)
  * Make LongBufferPoolTest insensitive to timing (CASSANDRA-16681)
@@ -7,7 +12,6 @@
  * Creating of a keyspace on insufficient number of replicas should filter out gosspping-only members (CASSANDRA-17759)
  * Only use statically defined subcolumns when determining column definition for supercolumn cell (CASSANDRA-14113)
 Merged from 3.0:
- * Fix running Ant rat targets without git (CASSANDRA-17974)
  * Harden JMX by resolving beanshooter issues (CASSANDRA-17921)
  * Suppress CVE-2019-2684 (CASSANDRA-17965)
  * Fix auto-completing "WITH" when creating a materialized view (CASSANDRA-17879)
diff --git a/build.xml b/build.xml
index 5745483b28..b722e13074 100644
--- a/build.xml
+++ b/build.xml
@@ -33,7 +33,7 @@
     <property name="debuglevel" value="source,lines,vars"/>
 
     <!-- default version and SCM information -->
-    <property name="base.version" value="3.11.14"/>
+    <property name="base.version" value="3.11.15"/>
     <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 8aa938d7e8..c895b9fe57 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+cassandra (3.11.15) UNRELEASED; urgency=medium
+
+  * New release
+
+ -- Mick Semb Wever <mck@apache.org>  Wed, 19 Oct 2022 10:27:23 +0200
+
 cassandra (3.11.14) unstable; urgency=medium
 
   * New release