diff --git a/.github/workflows/dependency-audit.yml b/.github/workflows/dependency-audit.yml
index 26e2bcf..9f58d04 100644
--- a/.github/workflows/dependency-audit.yml
+++ b/.github/workflows/dependency-audit.yml
@@ -22,6 +22,9 @@ jobs:
         with:
           python-version: "3.13"
 
+      - name: Install system deps for pycairo
+        run: sudo apt-get install -y libcairo2-dev pkg-config
+
       - name: Install uv
         uses: astral-sh/setup-uv@v4