diff --git a/.gitlab-ci.d/init_x86_64-slc6-gcc48-opt.sh b/.gitlab-ci.d/init_x86_64-slc6-gcc48-opt.sh
index 8b1109334b03f24f17998e632c0e60bdfedbf4e2..43671a3f563b453514ac2d60c30eee2ad6324aa8 100644
--- a/.gitlab-ci.d/init_x86_64-slc6-gcc48-opt.sh
+++ b/.gitlab-ci.d/init_x86_64-slc6-gcc48-opt.sh
@@ -63,7 +63,8 @@ export LD_LIBRARY_PATH="$LCIO/lib:$LD_LIBRARY_PATH"
 #     Geant4	
 #--------------------------------------------------------------------------------
 
-export G4INSTALL=$LCGRELEASES/Geant4/10.01.p02/x86_64-slc6-gcc48-opt/
+#export G4INSTALL=$LCGRELEASES/Geant4/10.01.p02/x86_64-slc6-gcc48-opt/
+export G4INSTALL="/cvmfs/sft.cern.ch/lcg/releases/Geant4/10.02-7c0e3/x86_64-slc6-gcc48-opt/"
 export G4ENV_INIT="$G4INSTALL/bin/geant4.sh"
 export G4SYSTEM="Linux-g++"
 
diff --git a/.gitlab-ci.d/init_x86_64-slc6-gcc49-opt.sh b/.gitlab-ci.d/init_x86_64-slc6-gcc49-opt.sh
index 167556ec14ea860a99cfe81baf28031e0eb1c2ac..d15383b2e44186a36ef60fd5d577db23eb10813a 100644
--- a/.gitlab-ci.d/init_x86_64-slc6-gcc49-opt.sh
+++ b/.gitlab-ci.d/init_x86_64-slc6-gcc49-opt.sh
@@ -64,7 +64,8 @@ export LD_LIBRARY_PATH="$LCIO/lib:$LD_LIBRARY_PATH"
 #     Geant4	
 #--------------------------------------------------------------------------------
 
-export G4INSTALL=$LCGRELEASES/Geant4/10.01.p02/x86_64-slc6-gcc49-opt/
+#export G4INSTALL=$LCGRELEASES/Geant4/10.01.p02/x86_64-slc6-gcc49-opt/
+export G4INSTALL="/cvmfs/sft.cern.ch/lcg/releases/Geant4/10.02-7c0e3/x86_64-slc6-gcc49-opt/"
 export G4ENV_INIT="$G4INSTALL/bin/geant4.sh"
 export G4SYSTEM="Linux-g++"