diff --git a/root.spec b/root.spec
index 7d66f1b2d56..d05a9983118 100644
--- a/root.spec
+++ b/root.spec
@@ -1,8 +1,8 @@
 ### RPM lcg root 6.06.04
 ## INITENV +PATH PYTHONPATH %{i}/lib
 ## INITENV SET ROOTSYS %{i}
-%define tag e59995fecc580d1eb75c6c6530caa65dd5b00c3f
-%define branch cms/5d055aa
+%define tag ff6e455f977499ad8204e1ffa6b2c71f441eb375
+%define branch cms/63af0e7
 %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