diff --git a/CMCore b/CMCore
index 3b71e680..d644ec4a 160000
--- a/CMCore
+++ b/CMCore
@@ -1 +1 @@
-Subproject commit 3b71e680cc71689bed3dbed0491324819f5e2edc
+Subproject commit d644ec4ab01e6fcede9ed3af37ff0090a19cf857