diff --git a/Testcase10-Stateless-costs/action/action_update.sh b/Testcase10-Stateless-costs/action/action_update.sh
index 90e6f8a..7b68183 100755
--- a/Testcase10-Stateless-costs/action/action_update.sh
+++ b/Testcase10-Stateless-costs/action/action_update.sh
@@ -13,7 +13,7 @@
 
 
 echo "build the new java jar package"
-javac -cp ./gson-2.8.2.jar JavaResize.java
+javac --release 8 -cp ./gson-2.8.2.jar JavaResize.java
 jar cvf JavaResize.jar JavaResize.class
 
 echo "update the action"