diff --git a/.gitlab-ci.d/init_x86_64.sh b/.gitlab-ci.d/init_x86_64.sh
index ac0d3e0ad40b488cb12f0b27e4b28690c88f8765..5c7edb93c5aaeda938dc6c5722a673955e21b64d 100644
--- a/.gitlab-ci.d/init_x86_64.sh
+++ b/.gitlab-ci.d/init_x86_64.sh
@@ -41,7 +41,7 @@ export PATH=${CMAKE_HOME}/bin:$PATH
 #     Python
 #--------------------------------------------------------------------------------
 
-export PYTHONDIR=${CLICREPO}/software/Python/2.7.11/${BUILD_FLAVOUR}
+export PYTHONDIR=${CLICREPO}/software/Python/2.7.12/${BUILD_FLAVOUR}
 export PATH=$PYTHONDIR/bin:$PATH
 export LD_LIBRARY_PATH=$PYTHONDIR/lib:$LD_LIBRARY_PATH
 
@@ -75,7 +75,7 @@ export G4SYSTEM="Linux-g++"
 #--------------------------------------------------------------------------------
 #     LCIO
 #--------------------------------------------------------------------------------
-export LCIO=${CLICREPO}/software/LCIO/2.7.1/${BUILD_FLAVOUR}
+export LCIO=${CLICREPO}/software/LCIO/2.7.2/${BUILD_FLAVOUR}
 # export PYTHONPATH="$LCIO/src/python:$LCIO/examples/python:$PYTHONPATH"
 export PATH="$LCIO/bin:$PATH"
 export LD_LIBRARY_PATH="$LCIO/lib:$LD_LIBRARY_PATH"
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 539453a82f6e3556bf170f228d6f2503d21b6d8b..80e7574db7b6e699404ebb536e95bc3414d816a0 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -4,7 +4,7 @@ slc6-gcc48:
   image: clicdp/slc6-base
   script:
     - export GCC_VERSION="4.8.5"
-    - export BUILD_TYPE="dbg"
+    - export BUILD_TYPE="opt"
     - source .gitlab-ci.d/init_x86_64.sh
     - mkdir build 
     - cd build
@@ -30,7 +30,7 @@ slc6-gcc49:
   image: clicdp/slc6-base
   script:
     - export GCC_VERSION="4.9.3"
-    - export BUILD_TYPE="dbg"
+    - export BUILD_TYPE="opt"
     - source .gitlab-ci.d/init_x86_64.sh
     - mkdir build 
     - cd build
@@ -56,7 +56,7 @@ centos7-gcc49:
   image: clicdp/cc7-base
   script:
     - export GCC_VERSION="4.9.3"
-    - export BUILD_TYPE="dbg"
+    - export BUILD_TYPE="opt"
     - source .gitlab-ci.d/init_x86_64.sh
     - mkdir build 
     - cd build