diff --git a/root.spec b/root.spec
index f4262d8991f..91e43ea9033 100644
--- a/root.spec
+++ b/root.spec
@@ -1,9 +1,9 @@
-### RPM lcg root 6.17.01
+### RPM lcg root 6.19.01
 ## INITENV +PATH PYTHON27PATH %{i}/lib
 ## INITENV +PATH PYTHON3PATH %{i}/lib
 ## INITENV SET ROOTSYS %{i}
-%define tag 588a73f0eb4eb454b0ebea9c862019bf873cafb7
-%define branch cms/master/28fbe3a
+%define tag 37ae67bf2d0942dff9c1b1b81bc8b7f52e35de89
+%define branch cms/master/c7332b0
 %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