diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 5d9eba76b5b073ae8e67636f00e3ac6ab0dabd17..96e83501bf3db923e6cce4b68b29438023c9f34b 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,4 +1,4 @@
-image: python:3.8-slim-buster
+image: python:3.7-slim-buster
 
 stages:
   - build