diff --git a/package.json b/package.json
index 6e083b2..d9f1efa 100644
--- a/package.json
+++ b/package.json
@@ -89,7 +89,7 @@
   "dependencies": {
     "commander": "^15.0.0",
     "document-outline.js": "^1.0.0",
-    "documents.js": "^3.1.5",
+    "documents.js": "^4.0.0",
     "ink": "^7.1.1",
     "ink-text-input": "^6.0.0",
     "react": "^19.2.8"
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 6e84f63..5ae3f3b 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: ^3.1.5
-        version: 3.1.5
+        specifier: ^4.0.0
+        version: 4.0.0
       ink:
         specifier: ^7.1.1
         version: 7.1.1(@types/react@19.2.18)(react@19.2.8)
@@ -1739,8 +1739,8 @@ packages:
     resolution: {integrity: sha512-Ao6bE/q4JGVy6hOX7UGYBZUsekU6GzI19+t+M6jBpGmPuDEeHM5MXSIxbtty45tsKEYmf0seeLybb2DaLZyxPg==}
     engines: {node: '>=20'}
 
-  documents.js@3.1.5:
-    resolution: {integrity: sha512-uv9xKnaK8kQRtzo2Tk0Ll/N/z+I4K4VyLrnHuNW57yTd4LPV2879FecbW0pEZ/rHeYFeaNU01SwNsl5rB0oHGA==}
+  documents.js@4.0.0:
+    resolution: {integrity: sha512-hDxIfam7l+JP621KmhUIiQ4HNTrx1HHucxXc9QoIviW2ESe2ACYFpcNk1jG3DnEK6l6sfl1nDJ09P5iipLp5sA==}
     engines: {node: '>=20'}
     hasBin: true
 
@@ -5011,7 +5011,7 @@ snapshots:
     dependencies:
       zod: 4.4.3
 
-  documents.js@3.1.5:
+  documents.js@4.0.0:
     dependencies:
       byte-codec: 1.1.9
       document-schema.js: 4.3.0