diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 92815fe82..1e0042a93 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -13,7 +13,7 @@ Debian:
   before_script:
     - export APT_CACHE_DIR=`pwd`/apt-cache && mkdir -pv $APT_CACHE_DIR
     - apt-get update -yq 
-    - apt-get -o dir::cache::archives="$APT_CACHE_DIR" install -y cmake libboost-filesystem-dev libboost-program-options-dev libboost-system-dev libboost-iostreams-dev libboost-zlib-dev libavcodec-dev libavformat-dev libavutil-dev libswscale-dev libswresample-dev libsdl2-dev libqt4-dev libopenal-dev libopenscenegraph-3.4-dev libunshield-dev libtinyxml-dev
+    - apt-get -o dir::cache::archives="$APT_CACHE_DIR" install -y cmake libboost-filesystem-dev libboost-program-options-dev libboost-system-dev libboost-iostreams-dev libavcodec-dev libavformat-dev libavutil-dev libswscale-dev libswresample-dev libsdl2-dev libqt4-dev libopenal-dev libopenscenegraph-3.4-dev libunshield-dev libtinyxml-dev
   # - apt-get install -y libmygui-dev libbullet-dev  # to be updated to latest below because stretch is too old
     - curl -L http://archive.ubuntu.com/ubuntu/pool/universe/b/bullet/libbullet-dev_2.87+dfsg-2_amd64.deb -o libbullet-dev_2.87+dfsg-2_amd64.deb
     - curl -L http://archive.ubuntu.com/ubuntu/pool/universe/b/bullet/libbullet2.87_2.87+dfsg-2_amd64.deb -o libbullet2.87_2.87+dfsg-2_amd64.deb