diff --git a/package-lock.json b/package-lock.json
index 8e60203..34281b2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,7 +9,7 @@
       "version": "3.1.1",
       "license": "MIT",
       "dependencies": {
-        "diff": "^5.2.0",
+        "diff": "^9.0.0",
         "maxmin": "^3.0.0",
         "picocolors": "^1.1.1"
       },
@@ -1332,9 +1332,9 @@
       }
     },
     "node_modules/diff": {
-      "version": "5.2.0",
-      "resolved": "https://registry.npmjs.org/diff/-/diff-5.2.0.tgz",
-      "integrity": "sha512-uIFDxqpRZGZ6ThOk84hEfqWoHx2devRFvpTZcTHur85vImfaxUbTW9Ryh4CpCuDnToOP1CEtXKIgytHBPVff5A==",
+      "version": "9.0.0",
+      "resolved": "https://registry.npmjs.org/diff/-/diff-9.0.0.tgz",
+      "integrity": "sha512-svtcdpS8CgJyqAjEQIXdb3OjhFVVYjzGAPO8WGCmRbrml64SPw/jJD4GoE98aR7r25A0XcgrK3F02yw9R/vhQw==",
       "engines": {
         "node": ">=0.3.1"
       }
@@ -7615,9 +7615,9 @@
       "dev": true
     },
     "diff": {
-      "version": "5.2.0",
-      "resolved": "https://registry.npmjs.org/diff/-/diff-5.2.0.tgz",
-      "integrity": "sha512-uIFDxqpRZGZ6ThOk84hEfqWoHx2devRFvpTZcTHur85vImfaxUbTW9Ryh4CpCuDnToOP1CEtXKIgytHBPVff5A=="
+      "version": "9.0.0",
+      "resolved": "https://registry.npmjs.org/diff/-/diff-9.0.0.tgz",
+      "integrity": "sha512-svtcdpS8CgJyqAjEQIXdb3OjhFVVYjzGAPO8WGCmRbrml64SPw/jJD4GoE98aR7r25A0XcgrK3F02yw9R/vhQw=="
     },
     "dom-serializer": {
       "version": "0.2.2",
diff --git a/package.json b/package.json
index 9bbd49e..f31fa67 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
     "tasks/*.js"
   ],
   "dependencies": {
-    "diff": "^5.2.0",
+    "diff": "^9.0.0",
     "maxmin": "^3.0.0",
     "picocolors": "^1.1.1"
   },