diff --git a/package.json b/package.json
index d88eb51dfe..65c43b32ce 100644
--- a/package.json
+++ b/package.json
@@ -81,7 +81,7 @@
     "@vueuse/shared": "14.2.1",
     "algoliasearch": "5.49.2",
     "defu": "6.1.4",
-    "diff": "^8.0.3",
+    "diff": "^9.0.0",
     "fast-npm-meta": "1.4.2",
     "focus-trap": "^8.0.0",
     "gray-matter": "4.0.3",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index de42bd50f4..df5b3e86b1 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -152,8 +152,8 @@ importers:
         specifier: 6.1.4
         version: 6.1.4
       diff:
-        specifier: ^8.0.3
-        version: 8.0.4
+        specifier: ^9.0.0
+        version: 9.0.0
       fast-npm-meta:
         specifier: 1.4.2
         version: 1.4.2
@@ -6496,6 +6496,10 @@ packages:
     resolution: {integrity: sha512-DPi0FmjiSU5EvQV0++GFDOJ9ASQUVFh5kD+OzOnYdi7n3Wpm9hWWGfB/O2blfHcMVTL5WkQXSnRiK9makhrcnw==}
     engines: {node: '>=0.3.1'}
 
+  diff@9.0.0:
+    resolution: {integrity: sha512-svtcdpS8CgJyqAjEQIXdb3OjhFVVYjzGAPO8WGCmRbrml64SPw/jJD4GoE98aR7r25A0XcgrK3F02yw9R/vhQw==}
+    engines: {node: '>=0.3.1'}
+
   doctypes@1.1.0:
     resolution: {integrity: sha512-LLBi6pEqS6Do3EKQ3J0NqHWV5hhb78Pi8vvESYwyOy2c31ZEZVdtitdzsQsKb7878PEERhzUk0ftqGhG6Mz+pQ==}
 
@@ -17320,6 +17324,8 @@ snapshots:
 
   diff@8.0.4: {}
 
+  diff@9.0.0: {}
+
   doctypes@1.1.0: {}
 
   docus@5.8.1(@emnapi/core@1.9.2)(@emnapi/runtime@1.9.2)(@tiptap/extensions@3.22.2)(@tiptap/y-tiptap@3.0.2)(@unhead/vue@2.1.13)(@upstash/redis@1.37.0)(@vue/compiler-dom@3.5.32)(better-sqlite3@12.8.0)(db0@0.3.4)(embla-carousel@8.6.0)(eslint@10.2.0)(focus-trap@8.0.1)(ioredis@5.10.1)(magicast@0.5.2)(nuxt@4.3.1)(react-dom@19.2.4)(react@19.2.4)(rollup@4.60.1)(srvx@0.11.15)(typescript@6.0.2)(unstorage@1.17.5)(valibot@1.3.0)(vite@8.0.0-beta.18)(vue-router@4.6.4)(vue@3.5.30)(yjs@13.6.30):