diff --git a/package-lock.json b/package-lock.json
index c83bb12..4c2a2a2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,18 +1,34 @@
 {
   "name": "gs",
   "version": "1.0.0",
-  "lockfileVersion": 1,
+  "lockfileVersion": 3,
   "requires": true,
-  "dependencies": {
-    "colors": {
+  "packages": {
+    "": {
+      "version": "1.0.0",
+      "license": "MIT",
+      "dependencies": {
+        "colors": "^1.3.3",
+        "diff": "^8.0.3"
+      },
+      "devDependencies": {}
+    },
+    "node_modules/colors": {
       "version": "1.3.3",
       "resolved": "https://registry.npmjs.org/colors/-/colors-1.3.3.tgz",
-      "integrity": "sha512-mmGt/1pZqYRjMxB1axhTo16/snVZ5krrKkcmMeVKxzECMMXoCgnvTPp10QgHfcbQZw8Dq2jMNG6je4JlWU0gWg=="
+      "integrity": "sha512-mmGt/1pZqYRjMxB1axhTo16/snVZ5krrKkcmMeVKxzECMMXoCgnvTPp10QgHfcbQZw8Dq2jMNG6je4JlWU0gWg==",
+      "engines": {
+        "node": ">=0.1.90"
+      }
     },
-    "diff": {
-      "version": "4.0.1",
-      "resolved": "https://registry.npmjs.org/diff/-/diff-4.0.1.tgz",
-      "integrity": "sha512-s2+XdvhPCOF01LRQBC8hf4vhbVmI2CGS5aZnxLJlT5FtdhPCDFq80q++zK2KlrVorVDdL5BOGZ/VfLrVtYNF+Q=="
+    "node_modules/diff": {
+      "version": "8.0.3",
+      "resolved": "https://registry.npmjs.org/diff/-/diff-8.0.3.tgz",
+      "integrity": "sha512-qejHi7bcSD4hQAZE0tNAawRK1ZtafHDmMTMkrrIGgSLl7hTnQHmKCeB45xAcbfTqK2zowkM3j3bHt/4b/ARbYQ==",
+      "license": "BSD-3-Clause",
+      "engines": {
+        "node": ">=0.3.1"
+      }
     }
   }
 }
diff --git a/package.json b/package.json
index 069718a..5f46887 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
   "main": "range_checker.gs",
   "dependencies": {
     "colors": "^1.3.3",
-    "diff": "^4.0.1"
+    "diff": "^8.0.3"
   },
   "devDependencies": {},
   "scripts": {