diff --git a/.github/workflows/main.yaml b/.github/workflows/main.yaml
index 5e229ce..b5d875a 100644
--- a/.github/workflows/main.yaml
+++ b/.github/workflows/main.yaml
@@ -25,7 +25,7 @@ jobs:
           path: ".github/library"
           key: ${{ job.container.image }}-${{ hashFiles('DESCRIPTION') }}
       - name: Install System Dependencies
-        run: muggle::install_sysdeps()
+        run: stop()
       - name: Install R Dependencies
         env:
           # see builder.Dockerfile for explanation, this resets after this step