diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 0d6565dff0160d2f73d016d3e93f7224ea7316a3..6bcf647b0fc825a24b911268459a6e84b67b2666 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,8 +1,8 @@
+image: debian:testing-20181011-slim
+
 pages:
   stage: deploy
   script:
-  - apt-get update
-  - apt-get install pandoc
   - pandoc --version
   - pandoc --help
   - pandoc --list-input-formats