diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 907e4ae53fb397477ea2bbe6d67a615e3ae69f4e..46f7bbfb4d66dca6fc53fba38e3d29e791f7ab96 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,4 +1,4 @@
-image: ralfjung/opam-ci:latest
+image: ralfjung/opam-ci:opam2
 
 stages:
   - build