diff --git a/CHANGES.txt b/CHANGES.txt
index 5872ce5f26..9325efe0fd 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,7 +1,7 @@
 This file lists the major changes as they appear in the stable branch.  No
 attempt is made to keep this list accurate for the master branch.
 
-Version 23.09.0 (September ??, 2023)
+Version 23.09.0 (September 28, 2023)
   * Regent
     - Elide future maps in index launches
     - Improvements to Pygion interop
diff --git a/VERSION b/VERSION
index 8120c24751..6d7b3c4123 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-legion-23.06.0
+legion-23.09.0