diff --git a/.forgejo/workflows/main.yaml b/.forgejo/workflows/main.yaml
index 2553699..c61c04c 100644
--- a/.forgejo/workflows/main.yaml
+++ b/.forgejo/workflows/main.yaml
@@ -9,6 +9,7 @@ jobs:
       run: eval '${{vars.cd}}'
 
     - run: cd-clone-branch
+    - run: cd-install-packages 'graphviz'
 
     - run: cd-build-project