diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 1a3cf02b..33ce0cd8 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -56,7 +56,7 @@ py39-django22:
 
 linters:
   stage: quality-assurance
-  image: debian:buster-backports
+  image: debian:bullseye
   before_script:
     - apt-get update && apt-get install -y tox
   script: tox -e linters