diff --git a/tox.ini b/tox.ini
index 0727620..684a265 100644
--- a/tox.ini
+++ b/tox.ini
@@ -22,6 +22,14 @@
 commands =
   {posargs}
 
+[testenv:pin-digests]
+deps =
+  oslo_config
+  oslo_log
+  ruyaml
+commands =
+  python3 {toxinidir}/build/pin-images.py roles/defaults/vars/main.yml roles/defaults/vars/main.yml
+
 [testenv:molecule-keycloak]
 commands =
   molecule test -s keycloak