diff --git a/root.spec b/root.spec
index c0ada24ce79..845820df34c 100644
--- a/root.spec
+++ b/root.spec
@@ -3,8 +3,8 @@
 ## INITENV SET ROOTSYS %{i}
 ## INCLUDE compilation_flags
 ## INCLUDE cpp-standard
-%define tag a918e4ed52df8fef952eed8882234fa5d5ef24a4
-%define branch cms/v6-28-00-patches/8735554
+%define tag ef8281efc532d4d6e7d55db3b54119d1ae0257b0
+%define branch cms/v6-28-00-patches/06d8baa991
 
 %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