diff --git a/build.xml b/build.xml
index a8cfe11ed8..106cf9152a 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="4.0.1"/>
+    <property name="base.version" value="4.0.2"/>
     <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 3cd137c0ac..b8b728feab 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+cassandra (4.0.2) UNRELEASED; urgency=medium
+
+  * New release 
+
+ -- Sam Tunnicliffe <samt@apache.org>  Tue, 07 Sep 2021 16:48:57 +0100
+
 cassandra (4.0.1) unstable; urgency=medium
 
   * New release