diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e25bd67..99ff948 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -63,7 +63,7 @@ jobs:
           python-version: '3.x'
 
       - name: Install test dependencies.
-        run: pip3 install ansible molecule molecule-plugins[docker] docker
+        run: pip3 install ansible molecule molecule-plugins[docker] docker debian
 
       - name: Run Molecule tests.
         run: molecule test