diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index b8fb9244245aeff48ba9bd154eaf5bca589dd599..7b0f1da56bcc9214889f4cf42ebba05b969a43f2 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -90,6 +90,7 @@ check-clang-format:
   tags:
     - corsika
   before_script:
+    - apt install -y -qq python3-pip
     - pip install conan
   script:
     - mkdir -p build