diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 558b9f81eff2b86e53d9da783e5882b23c7491b1..a516be115d51672b344e0892da0645477dc88d63 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,4 +1,4 @@
-image: "flowdalic/debian-testing-dev:1.11"
+image: "flowdalic/debian-testing-dev:1.12"
 
 # See https://docs.gitlab.com/ee/ci/caching/#caching-python-dependencies
 variables: