diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index abf48262c3cf863f67f21b51322414027a933bd7..8bc75dd727ce61fde7bf56c824fa400735e11a72 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -11,7 +11,7 @@ python_run:
     - sh -c "sed -i 's/deb.debian.org/mirror.cs.uni-duesseldorf.de/g' /etc/apt/sources.list"
     - sh -c "sed -i 's/security.debian.org/mirror.cs.uni-duesseldorf.de/g' /etc/apt/sources.list"
     - sh -c "sed -i 's/main/main contrib non-free/g' /etc/apt/sources.list"
-    - DEBIAN_FRONTEND=noninteractive apt --no-install-recommends -y install nvidia-cuda-toolkit
+    - apt update && DEBIAN_FRONTEND=noninteractive apt --no-install-recommends -y install nvidia-cuda-toolkit
     - apt clean && apt autoremove && rm -rf /var/lib/apt/lists/*
     - pip install flair
     - pip install torch