diff --git a/ai-service/src/main/resources/application.yml b/ai-service/src/main/resources/application.yml
index 5bddf3a..fa3f33d 100644
--- a/ai-service/src/main/resources/application.yml
+++ b/ai-service/src/main/resources/application.yml
@@ -53,7 +53,7 @@ jwt:
 
 # CORS Configuration
 cors:
-  allowed-origins: ${CORS_ALLOWED_ORIGINS:http://localhost:*}
+  allowed-origins: ${CORS_ALLOWED_ORIGINS:http://localhost:*,http://kt-event-marketing.20.214.196.128.nip.io}
   allowed-methods: ${CORS_ALLOWED_METHODS:GET,POST,PUT,DELETE,OPTIONS,PATCH}
   allowed-headers: ${CORS_ALLOWED_HEADERS:*}
   allow-credentials: ${CORS_ALLOW_CREDENTIALS:true}
diff --git a/participation-service/src/main/resources/application.yml b/participation-service/src/main/resources/application.yml
index 44011c7..2f35890 100644
--- a/participation-service/src/main/resources/application.yml
+++ b/participation-service/src/main/resources/application.yml
@@ -56,7 +56,7 @@ jwt:
 
 # CORS 설정
 cors:
-  allowed-origins: ${CORS_ALLOWED_ORIGINS:*}
+  allowed-origins: ${CORS_ALLOWED_ORIGINS:http://localhost:8081,http://localhost:8082,http://localhost:8083,http://localhost:8084,http://kt-event-marketing.20.214.196.128.nip.io}
   allowed-methods: ${CORS_ALLOWED_METHODS:GET,POST,PUT,DELETE,OPTIONS,PATCH}
   allowed-headers: ${CORS_ALLOWED_HEADERS:*}
   allow-credentials: ${CORS_ALLOW_CREDENTIALS:true}