diff --git a/build.xml b/build.xml
index 0b4dd13272..6d15381d76 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-rc3"/>
+    <property name="base.version" value="4.0.1"/>
     <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 9267cec8f5..be04d8d9a2 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,4 +1,4 @@
-cassandra (4.0~rc3) UNRELEASED; urgency=medium
+cassandra (4.0.1) UNRELEASED; urgency=medium
 
   * New release