diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 7447f5a647b19f60a0d1a03a307f1efa89e1ad8e..57b9bd9c9533ba9c6a476764634dd3f7248ae755 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,4 +1,4 @@
-image: "flowdalic/debian-testing-dev:1.14"
+image: "flowdalic/debian-testing-dev:1.15"
 
 before_script:
   - ulimit -a