diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 806a8fa..0f151fe 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,4 +1,4 @@
-image: elixir:latest
+image: elixir:1.8
 
 before_script:
   - apt-get update