diff --git a/package-lock.json b/package-lock.json
index b7f214a..38b8788 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,25 +1,47 @@
 {
   "name": "hgbasm",
   "version": "2.1.0",
-  "lockfileVersion": 1,
+  "lockfileVersion": 3,
   "requires": true,
-  "dependencies": {
-    "@types/diff": {
+  "packages": {
+    "": {
+      "version": "2.1.0",
+      "license": "MIT",
+      "dependencies": {
+        "diff": "^8.0.3"
+      },
+      "devDependencies": {
+        "@types/diff": "^4.0.2",
+        "typescript": "^3.2.4"
+      }
+    },
+    "node_modules/@types/diff": {
       "version": "4.0.2",
       "resolved": "https://registry.npmjs.org/@types/diff/-/diff-4.0.2.tgz",
       "integrity": "sha512-mIenTfsIe586/yzsyfql69KRnA75S8SVXQbTLpDejRrjH0QSJcpu3AUOi/Vjnt9IOsXKxPhJfGpQUNMueIU1fQ==",
       "dev": true
     },
-    "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"
+      }
     },
-    "typescript": {
+    "node_modules/typescript": {
       "version": "3.2.4",
       "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.2.4.tgz",
       "integrity": "sha512-0RNDbSdEokBeEAkgNbxJ+BLwSManFy9TeXz8uW+48j/xhEXv1ePME60olyzw2XzUqUBNAYFeJadIqAgNqIACwg==",
-      "dev": true
+      "dev": true,
+      "bin": {
+        "tsc": "bin/tsc",
+        "tsserver": "bin/tsserver"
+      },
+      "engines": {
+        "node": ">=4.2.0"
+      }
     }
   }
 }
diff --git a/package.json b/package.json
index 4eab34c..a006222 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
   },
   "homepage": "https://github.com/Hawkbat/hgbasm#readme",
   "dependencies": {
-    "diff": "^4.0.1"
+    "diff": "^8.0.3"
   },
   "devDependencies": {
     "@types/diff": "^4.0.2",