diff --git a/build.xml b/build.xml
index 794444b28c..6985c8c45a 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="3.11.15"/>
+    <property name="base.version" value="3.11.16"/>
     <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 c1e91c0ee5..34f8b539a7 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+cassandra (3.11.16) UNRELEASED; urgency=medium
+
+  * New release
+
+ -- Brandon Williams <brandonwilliams@apache.org>  Fri, 05 May 2023 05:56:38 -0500
+
 cassandra (3.11.15) unstable; urgency=medium
 
   * New release