diff --git a/.ebextensions_dev/00-makeFiles.config b/.ebextensions_dev/00-makeFiles.config
index 18716a6e..a6c4d34f 100644
--- a/.ebextensions_dev/00-makeFiles.config
+++ b/.ebextensions_dev/00-makeFiles.config
@@ -9,4 +9,4 @@ files:
       
       # run app
       killall java
-      java -Dfile.encoding=UTF-8 -jar $JAR_PATH
+      java -Duser.timezone=Asia/Seoul -Dfile.encoding=UTF-8 -jar $JAR_PATH