diff --git a/package.json b/package.json
index 4b91dc6..b5fe12e 100644
--- a/package.json
+++ b/package.json
@@ -86,7 +86,7 @@
   "dependencies": {
     "@modelcontextprotocol/server": "^2.0.0",
     "document-outline.js": "^1.0.0",
-    "documents.js": "^4.0.8",
+    "documents.js": "^4.0.9",
     "zod": "^4.2.0"
   },
   "devDependencies": {
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index d2104d4..1590951 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -15,8 +15,8 @@ importers:
         specifier: ^1.0.0
         version: 1.0.0
       documents.js:
-        specifier: ^4.0.8
-        version: 4.0.8
+        specifier: ^4.0.9
+        version: 4.0.9
       zod:
         specifier: ^4.2.0
         version: 4.4.3
@@ -1636,8 +1636,8 @@ packages:
     resolution: {integrity: sha512-Ao6bE/q4JGVy6hOX7UGYBZUsekU6GzI19+t+M6jBpGmPuDEeHM5MXSIxbtty45tsKEYmf0seeLybb2DaLZyxPg==}
     engines: {node: '>=20'}
 
-  documents.js@4.0.8:
-    resolution: {integrity: sha512-WeZum+XUj9WyTiBezySpUYVBNYwuAIweg+swUCW2A10sSW+xYfcCpHzgYExmmhbZqkPpDdsnxY2iLYvBCZ1mFw==}
+  documents.js@4.0.9:
+    resolution: {integrity: sha512-rv/TXg6/+tsPBmxjkYVH0Hvz9PkvWNgpZffx4PlcW0ybt49LaDU7sxfGCtQb3X8x9pdxrZc4wDqTwMiUqz0hYg==}
     engines: {node: '>=20'}
     hasBin: true
 
@@ -4629,7 +4629,7 @@ snapshots:
     dependencies:
       zod: 4.4.3
 
-  documents.js@4.0.8:
+  documents.js@4.0.9:
     dependencies:
       byte-codec: 1.1.9
       document-schema.js: 4.3.0