diff --git a/.yamllint b/.yamllint
index 85311f3..16fff78 100644
--- a/.yamllint
+++ b/.yamllint
@@ -1,3 +1,4 @@
+---
 extends: default
 
 rules:
diff --git a/molecule/default/molecule.yml b/molecule/default/molecule.yml
index 7f81391..c72fc04 100644
--- a/molecule/default/molecule.yml
+++ b/molecule/default/molecule.yml
@@ -12,7 +12,7 @@ lint: |
 
 platforms:
   - name: instance
-    image: geerlingguy/docker-${MOLECULE_DISTRO:-centos7}-ansible:latest
+    image: geerlingguy/docker-${MOLECULE_DISTRO:-ubuntu1804}-ansible:latest
     pre_build_image: true
     command: ${MOLECULE_DOCKER_COMMAND:-""}
     volumes: