diff --git a/CHANGES.txt b/CHANGES.txt
index 7227024396..886bf069de 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,3 +1,7 @@
+3.11.18
+ *
+
+
 3.11.17
  * Move ClientWarn.State#warnings to a thread-safe list (CASSANDRA-19427)
  * Fix delayed SSTable release with unsafe_aggressive_sstable_expiration (CASSANDRA-18756)
diff --git a/build.xml b/build.xml
index 22ddfba959..ab94b82302 100644
--- a/build.xml
+++ b/build.xml
@@ -34,7 +34,7 @@
     <property name="debuglevel" value="source,lines,vars"/>
 
     <!-- default version and SCM information -->
-    <property name="base.version" value="3.11.17"/>
+    <property name="base.version" value="3.11.18"/>
     <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"/>