diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 01aef26..48a903a 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,4 +1,4 @@
-image: python:3.8
+image: python:3.9
 
 # Change pip's cache directory to be inside the project directory since we can
 # only cache local items.