diff --git a/defaults/main.yml b/defaults/main.yml
index bc9be09..6f1c714 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -18,3 +18,4 @@ dsmr_dependencies:
   - cu
   - python3-pexpect
   - expect
+  - python3-psycopg2
diff --git a/molecule/default/molecule.yml b/molecule/default/molecule.yml
index a1157ea..bcd3735 100644
--- a/molecule/default/molecule.yml
+++ b/molecule/default/molecule.yml
@@ -8,7 +8,7 @@ driver:
 lint: |
   set -e
   yamllint .
-  ansible-lint .
+  ansible-lint
 platforms:
   - name: instance
     image: "geerlingguy/docker-${MOLECULE_DISTRO:-ubuntu2004}-ansible:latest"