diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index a05fa5c152b765770e5246d622a2f9c12e576247..5df1a673c51e2942cc11c2a94f6c6c0b3838587e 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,6 +1,6 @@
 ---
 dune:git  clang  C++17:
-  image: registry.dune-project.org/docker/ci/dune:git-debian-10-clang-6-libcpp-17
+  image: registry.dune-project.org/docker/ci/dune:git-debian-10-clang-7-libcpp-17
   script: duneci-standard-test
 
 dune:git  gcc-8  C++17: