diff --git a/molecule/default/molecule.yml b/molecule/default/molecule.yml
index fc6a5ac..11e7d85 100644
--- a/molecule/default/molecule.yml
+++ b/molecule/default/molecule.yml
@@ -7,7 +7,7 @@ platforms:
   - name: instance
     image: ${MOLECULE_DOCKER_IMAGE:-'geerlingguy/docker-ubuntu1804-ansible:latest'}
     command: ${MOLECULE_DOCKER_COMMAND:-""}
-    cgroupns: host
+    cgroupns_mode: host
     volumes:
       - /sys/fs/cgroup:/sys/fs/cgroup:rw
     privileged: true