diff --git a/app-maple-stamp-api/Dockerfile b/app-maple-stamp-api/Dockerfile
index 3be711d..4ca078e 100644
--- a/app-maple-stamp-api/Dockerfile
+++ b/app-maple-stamp-api/Dockerfile
@@ -1,4 +1,9 @@
 FROM eclipse-temurin:19
+ENV LC_ALL=C.UTF-8
+
+RUN apt-get update && apt-get install -y locales
+RUN locale-gen ko_KR.UTF-8
+ENV LC_ALL ko_KR.UTF-8
 
 RUN apt-get update && apt-get install -y locales
 RUN locale-gen ko_KR.UTF-8