diff --git a/vars/RedHat_docker.yml b/vars/RedHat_docker.yml
index ba8080b..c24bb31 100644
--- a/vars/RedHat_docker.yml
+++ b/vars/RedHat_docker.yml
@@ -5,3 +5,4 @@ docker_remove_packages_name:
   - docker-ce
 docker_python_lib:
   - python-docker-py
+  - python-yaml
diff --git a/vars/RedHat_docker_ce.yml b/vars/RedHat_docker_ce.yml
index 3ac3494..f02669d 100644
--- a/vars/RedHat_docker_ce.yml
+++ b/vars/RedHat_docker_ce.yml
@@ -13,3 +13,4 @@ docker_remove_packages_name:
   - oci-umount
 docker_python_lib:
   - python-docker-py
+  - python-yaml