diff --git a/mm.py b/mm.py
index fef0b8d..446ae64 100755
--- a/mm.py
+++ b/mm.py
@@ -22,7 +22,7 @@
     os.makedirs(pdir, exist_ok=True)
 
     # the target version
-    release = "v1.12.0"
+    release = "v1.12.1"
     # the bootstrapping  package
     boot = "pyre-boot.zip"