diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 89107aa..e19ebd1 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -24,7 +24,7 @@ include:
 
 run_tests:
   stage: test
-  image: python:3
+  image: python:3.11-bookworm
   script:
     - apt-get update
     - apt-get -y install dbus libgirepository1.0-dev