diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index afd9a524..c65e0fd2 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -317,6 +317,7 @@ plugin_fetchsrclibs:
         git
         python3-cffi
         python3-cryptography
+        python3-matplotlib
         python3-pip
         python3-pil
         python3-venv