diff --git a/root.spec b/root.spec
index 6b63baa3790..14bf46a971a 100644
--- a/root.spec
+++ b/root.spec
@@ -3,8 +3,8 @@
 ## INITENV SET ROOTSYS %{i}
 ## INCLUDE compilation_flags
 ## INCLUDE cpp-standard
-%define tag 79a8d6548832b7dbf40903dace88bc1dba4b9126
-%define branch cms/master/121dc61e5d
+%define tag 81b846e0378550f1e7df760c16f5fba8fae28ea7
+%define branch cms/master/2182efbb59
 
 %define github_user cms-sw
 Source: git+https://github.com/%{github_user}/root.git?obj=%{branch}/%{tag}&export=%{n}-%{realversion}&output=/%{n}-%{realversion}-%{tag}.tgz