diff --git a/.github/workflows/update-site-data.yml b/.github/workflows/update-site-data.yml
index f281797..9c0c9c8 100644
--- a/.github/workflows/update-site-data.yml
+++ b/.github/workflows/update-site-data.yml
@@ -13,7 +13,11 @@ jobs:
       with:
         fetch-depth: 0 # otherwise, there would be errors pushing refs to the destination repository.
 
-    - name: build application
+    - name: Install system dependencies
+      run: |
+        sudo apt-get update && sudo apt-get install -y libcairo2-dev
+
+    - name: Build application
       run: |
         pip3 install .
         python3 ./utils/update_site_data.py --empty-only