diff --git a/package-lock.json b/package-lock.json
index 697395f9..7012234a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "typescript-tutorial",
-  "version": "1.0.0",
+  "version": "0.1.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -135,15 +135,44 @@
       }
     },
     "@typescript-eslint/parser": {
-      "version": "3.0.2",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/parser/-/parser-3.0.2.tgz",
-      "integrity": "sha512-80Z7s83e8QXHNUspqVlWwb4t5gdz/1bBBmafElbK1wwAwiD/yvJsFyHRxlEpNrt4rdK6eB3p+2WEFkEDHAKk9w==",
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/parser/-/parser-3.1.0.tgz",
+      "integrity": "sha512-NcDSJK8qTA2tPfyGiPes9HtVKLbksmuYjlgGAUs7Ld2K0swdWibnCq9IJx9kJN8JJdgUJSorFiGaPHBgH81F/Q==",
       "dev": true,
       "requires": {
         "@types/eslint-visitor-keys": "^1.0.0",
-        "@typescript-eslint/experimental-utils": "3.0.2",
-        "@typescript-eslint/typescript-estree": "3.0.2",
+        "@typescript-eslint/experimental-utils": "3.1.0",
+        "@typescript-eslint/typescript-estree": "3.1.0",
         "eslint-visitor-keys": "^1.1.0"
+      },
+      "dependencies": {
+        "@typescript-eslint/experimental-utils": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/@typescript-eslint/experimental-utils/-/experimental-utils-3.1.0.tgz",
+          "integrity": "sha512-Zf8JVC2K1svqPIk1CB/ehCiWPaERJBBokbMfNTNRczCbQSlQXaXtO/7OfYz9wZaecNvdSvVADt6/XQuIxhC79w==",
+          "dev": true,
+          "requires": {
+            "@types/json-schema": "^7.0.3",
+            "@typescript-eslint/typescript-estree": "3.1.0",
+            "eslint-scope": "^5.0.0",
+            "eslint-utils": "^2.0.0"
+          }
+        },
+        "@typescript-eslint/typescript-estree": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/@typescript-eslint/typescript-estree/-/typescript-estree-3.1.0.tgz",
+          "integrity": "sha512-+4nfYauqeQvK55PgFrmBWFVYb6IskLyOosYEmhH3mSVhfBp9AIJnjExdgDmKWoOBHRcPM8Ihfm2BFpZf0euUZQ==",
+          "dev": true,
+          "requires": {
+            "debug": "^4.1.1",
+            "eslint-visitor-keys": "^1.1.0",
+            "glob": "^7.1.6",
+            "is-glob": "^4.0.1",
+            "lodash": "^4.17.15",
+            "semver": "^7.3.2",
+            "tsutils": "^3.17.1"
+          }
+        }
       }
     },
     "@typescript-eslint/typescript-estree": {
diff --git a/package.json b/package.json
index d6dacddc..f4167881 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
   "homepage": "https://github.com/xcatliu/typescript-tutorial#readme",
   "devDependencies": {
     "@typescript-eslint/eslint-plugin": "^3.0.2",
-    "@typescript-eslint/parser": "^3.0.2",
+    "@typescript-eslint/parser": "^3.1.0",
     "eclint": "^2.8.1",
     "eslint": "^7.1.0",
     "eslint-config-alloy": "^3.7.2",