diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 51cad6a7d..7aa3f6ca8 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -19,9 +19,10 @@ Linux client build:
   image: debian:jessie+backports
   script:
     # Installation des dépendances
+    - echo "deb http://backports.debian.org/debian-backports squeeze-backports main" >> /etc/apt/sources.list
     - apt-get update
     - apt-get upgrade
-    - apt-get install -y g++ gcc cmake libcurl4-openssl-dev libgl1-mesa-dev libjpeg-dev libpng-dev libopenal-dev libfreetype6-dev libxxf86vm-dev libxrandr-dev libxrender-dev libvorbis-dev libluabind-dev libboost-dev libmysqlclient-dev libssl-dev liblzma-dev libxml2-dev makeself
+    - apt-get -t jessie-backports install -y g++ gcc cmake libcurl4-openssl-dev libgl1-mesa-dev libjpeg-dev libpng-dev libopenal-dev libfreetype6-dev libxxf86vm-dev libxrandr-dev libxrender-dev libvorbis-dev libluabind-dev libboost-dev libmysqlclient-dev libssl-dev liblzma-dev libxml2-dev makeself
     # Installation des dépendances des dépendances statiques (à commenter si construction de Khanat en mode dynamique)
     # libxml2 : python-pyicu (support d'unicode), python-dev (support de... python)
     #- apt-get install -y wget python-pyicu python-dev