diff --git a/Workbench/grouper_daemon/Dockerfile b/Workbench/grouper_daemon/Dockerfile
index 7fdeaf6..ea4823a 100644
--- a/Workbench/grouper_daemon/Dockerfile
+++ b/Workbench/grouper_daemon/Dockerfile
@@ -1,4 +1,4 @@
-FROM i2incommon/grouper:2.5.54
+FROM i2incommon/grouper:2.5.56
 
 LABEL author="tier-packaging@internet2.edu <tier-packaging@internet2.edu>"