diff --git a/spring/src/main/resources/application.yml b/spring/src/main/resources/application.yml
index f42841e..7c4ca40 100644
--- a/spring/src/main/resources/application.yml
+++ b/spring/src/main/resources/application.yml
@@ -23,8 +23,8 @@ spring:
         registration:
           kakao:
             client-authentication-method: client_secret_post
-            client-id: b520cf6225bb08837856b4bcee2232be
-            client-secret: 5lBI2OF2hvUBAUHbG2QSUuFeyDCGb6Yn
+            client-id: ${KAKAO_CLIENT_ID}
+            client-secret: ${KAKAO_CLIENT_SECRET}
             redirect-uri: http://localhost:8080/login/oauth2/code/kakao
             authorization-grant-type: authorization_code
             scope: profile_nickname