diff --git a/install.sh b/install.sh
index 0e18411f..818aac8e 100755
--- a/install.sh
+++ b/install.sh
@@ -2,7 +2,7 @@
 
 # Get Ice in a ready-to-run state on a fresh AWI instance.
 
-GRAILS_VERSION=2.2.1
+GRAILS_VERSION=2.4.4
 
 # Install prerequisites