diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 19e3e819..1f62e98c 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -433,6 +433,7 @@ servergitmirrors:
         python3-cryptography
         python3-cffi
         python3-pip
+        python3-pil
         python3-venv
         rsync
         wget