diff --git a/roles/robosignatory/tasks/main.yml b/roles/robosignatory/tasks/main.yml
index cee6846ab5..12a70bf99f 100644
--- a/roles/robosignatory/tasks/main.yml
+++ b/roles/robosignatory/tasks/main.yml
@@ -4,6 +4,7 @@
   - python-robosignatory
   - trousers
   - tpm-tools
+  - sigul
   tags:
   - packages
   - robosignatory