diff --git a/root.spec b/root.spec
index 3f9a38ee3c7..69081c1e70c 100644
--- a/root.spec
+++ b/root.spec
@@ -2,8 +2,8 @@
 ## INITENV +PATH PYTHON27PATH %{i}/lib
 ## INITENV +PATH PYTHON3PATH %{i}/lib
 ## INITENV SET ROOTSYS %{i}
-%define tag 5df0b8a3c571874f2e043b7e9a9fcff6a18c293e
-%define branch cms/master/3f9b194
+%define tag 1b2047439bc07a7c35341c998b0b5be6453ae245
+%define branch cms/master/bcb3614
 %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