diff --git a/geant4.spec b/geant4.spec
index 7f5252b7cec..41a838d30ff 100644
--- a/geant4.spec
+++ b/geant4.spec
@@ -1,6 +1,6 @@
-### RPM external geant4 11.0.1
+### RPM external geant4 11.0.6
 ## INCLUDE compilation_flags
-%define tag 48e04df7b101fe341275ff396f4320a0c5ebbd80
+%define tag 44ccd9ab45d11c6e299273fad754115acd34968c
 %define branch cms/v%{realversion}
 %define github_user cms-externals
 Source: git+https://github.com/%github_user/%{n}.git?obj=%{branch}/%{tag}&export=%{n}.%{realversion}&output=/%{n}.%{realversion}-%{tag}.tgz