diff --git a/container_files/grouper.installer.properties b/container_files/grouper.installer.properties
index ac0b225e..dc909559 100644
--- a/container_files/grouper.installer.properties
+++ b/container_files/grouper.installer.properties
@@ -1 +1,2 @@
 download.server.url = https://software.internet2.edu/grouper
+grouper.version = 2.5.8