diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index f19f2bf6479..3830f566ffa 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -10,8 +10,8 @@ Version 4.next
     - native word level bit-vector solving.
   - introduction of simple induction lemmas to handle a limited repertoire of induction proofs.
 
-Version 4.13
-============
+Version 4.13.0
+==============
 - add ARM64 wheels for Python, thanks to Steven Moy, smoy
 
 Version 4.12.6