diff --git a/.gitea/workflows/test-build.yaml b/.gitea/workflows/test-build.yaml
index bd420d7..b98ae4b 100644
--- a/.gitea/workflows/test-build.yaml
+++ b/.gitea/workflows/test-build.yaml
@@ -13,6 +13,8 @@ jobs:
     steps:
     - name: Checkout
       uses: actions/checkout@v3
+    - run: |
+        tlmgr install biblatex
     - run: |
         pdflatex pal-vorstellung.tex
         biber pal-vorstellung