diff --git a/README.md b/README.md
index 527dbc70..5bea0f1f 100644
--- a/README.md
+++ b/README.md
@@ -56,6 +56,10 @@
 
 ## 업데이트 로그
 
+### 2021.10.3 v2.1.0
+- 예약 시스템 준비 완료.
+- 타임존 설정 환경변수로 오버라이드 가능하게 설정.
+
 ### 2021.10.3 v2.0.39
 - 타임존 이슈 해결.
 
diff --git a/package-lock.json b/package-lock.json
index 8db58ed4..abced51a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -450,9 +450,9 @@
       }
     },
     "@inu-cafeteria/backend-core": {
-      "version": "0.7.6",
-      "resolved": "https://registry.npmjs.org/@inu-cafeteria/backend-core/-/backend-core-0.7.6.tgz",
-      "integrity": "sha512-nEXRK2cwGvRyiUqwdryGdZsnF1cdq7Z04zjkbuigACI1d4mbdotK9P+J2Iw18CXTse5Rm/fWoCnp5VFUmMEH7A==",
+      "version": "0.7.7",
+      "resolved": "https://registry.npmjs.org/@inu-cafeteria/backend-core/-/backend-core-0.7.7.tgz",
+      "integrity": "sha512-hA3FTDwD7GC2ApjcOPFynibrSazZSYPCY+Og6nEIxN2eDrVKJ7QMSFSbikMH2MkEyyoNA3kOL1ZC2ASsdIKXlw==",
       "requires": {
         "aws-sdk": "^2.983.0",
         "date-fns": "^2.23.0",
diff --git a/package.json b/package.json
index bdc3bf15..7c41a98c 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
   },
   "homepage": "https://github.com/inu-appcenter/cafeteria-server#readme",
   "dependencies": {
-    "@inu-cafeteria/backend-core": "^0.7.6",
+    "@inu-cafeteria/backend-core": "^0.7.7",
     "@types/express": "^4.17.13",
     "@types/moment": "^2.13.0",
     "axios": "^0.21.2",