diff --git a/package-lock.json b/package-lock.json
index 21fda34c..3b15cc34 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -24,7 +24,7 @@
       "devDependencies": {
         "@eslint/js": "^9",
         "@parcel/transformer-typescript-tsc": "^2.12.0",
-        "@types/diff": "^7",
+        "@types/diff": "^8",
         "@types/eslint__js": "^8.42.3",
         "@types/glob": "^8.1.0",
         "@types/markdown-it": "^14.1.2",
@@ -2688,11 +2688,15 @@
       }
     },
     "node_modules/@types/diff": {
-      "version": "7.0.2",
-      "resolved": "https://registry.npmjs.org/@types/diff/-/diff-7.0.2.tgz",
-      "integrity": "sha512-JSWRMozjFKsGlEjiiKajUjIJVKuKdE3oVy2DNtK+fUo8q82nhFZ2CPQwicAIkXrofahDXrWJ7mjelvZphMS98Q==",
+      "version": "8.0.0",
+      "resolved": "https://registry.npmjs.org/@types/diff/-/diff-8.0.0.tgz",
+      "integrity": "sha512-o7jqJM04gfaYrdCecCVMbZhNdG6T1MHg/oQoRFdERLV+4d+V7FijhiEAbFu0Usww84Yijk9yH58U4Jk4HbtzZw==",
+      "deprecated": "This is a stub types definition. diff provides its own type definitions, so you do not need this installed.",
       "dev": true,
-      "license": "MIT"
+      "license": "MIT",
+      "dependencies": {
+        "diff": "*"
+      }
     },
     "node_modules/@types/eslint": {
       "version": "9.6.1",
diff --git a/package.json b/package.json
index 827f79ed..7a5a5902 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
   "devDependencies": {
     "@eslint/js": "^9",
     "@parcel/transformer-typescript-tsc": "^2.12.0",
-    "@types/diff": "^7",
+    "@types/diff": "^8",
     "@types/eslint__js": "^8.42.3",
     "@types/glob": "^8.1.0",
     "@types/markdown-it": "^14.1.2",