diff --git a/util/gdas_init/driver.s4.sh b/util/gdas_init/driver.s4.sh
index efd54be3b..34a015929 100755
--- a/util/gdas_init/driver.s4.sh
+++ b/util/gdas_init/driver.s4.sh
@@ -15,7 +15,7 @@ module load build.$target.$compiler
 module list
 
 # Needed for NDATE utility
-module load prod_util/1.2.2
+module load prod_util/2.1.1
 
 PROJECT_CODE=star
 QUEUE=s4