diff --git a/vars/main.yml b/vars/main.yml
index 3a29ffe..e2c78c4 100644
--- a/vars/main.yml
+++ b/vars/main.yml
@@ -3,6 +3,7 @@ py_env_install: True
 py_env_pip_pkgs:
   - docker-compose
   - docker
+  - jsondiff
 
 docker_deb_repo_key_url: 'https://download.docker.com/linux/ubuntu/gpg'
 # Set to the Debian distribution name if not Ubuntu