diff --git a/package-lock.json b/package-lock.json
index f09baa48..14dfcb9e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -18,7 +18,8 @@
         "markdownlint-cli": "^0.45.0",
         "rollup": "^4.52.5",
         "standard": "^17.1.2",
-        "typescript": "^5.9.3"
+        "typescript": "^5.9.3",
+        "yjs": "."
       },
       "engines": {
         "node": ">=16.0.0",
@@ -6101,46 +6102,8 @@
       }
     },
     "node_modules/yjs": {
-      "version": "13.6.27",
-      "resolved": "https://registry.npmjs.org/yjs/-/yjs-13.6.27.tgz",
-      "integrity": "sha512-OIDwaflOaq4wC6YlPBy2L6ceKeKuF7DeTxx+jPzv1FHn9tCZ0ZwSRnUBxD05E3yed46fv/FWJbvR+Ud7x0L7zw==",
-      "dev": true,
-      "license": "MIT",
-      "peer": true,
-      "dependencies": {
-        "lib0": "^0.2.99"
-      },
-      "engines": {
-        "node": ">=16.0.0",
-        "npm": ">=8.0.0"
-      },
-      "funding": {
-        "type": "GitHub Sponsors ❤",
-        "url": "https://github.com/sponsors/dmonad"
-      }
-    },
-    "node_modules/yjs/node_modules/lib0": {
-      "version": "0.2.114",
-      "resolved": "https://registry.npmjs.org/lib0/-/lib0-0.2.114.tgz",
-      "integrity": "sha512-gcxmNFzA4hv8UYi8j43uPlQ7CGcyMJ2KQb5kZASw6SnAKAf10hK12i2fjrS3Cl/ugZa5Ui6WwIu1/6MIXiHttQ==",
-      "dev": true,
-      "license": "MIT",
-      "peer": true,
-      "dependencies": {
-        "isomorphic.js": "^0.2.4"
-      },
-      "bin": {
-        "0ecdsa-generate-keypair": "bin/0ecdsa-generate-keypair.js",
-        "0gentesthtml": "bin/gentesthtml.js",
-        "0serve": "bin/0serve.js"
-      },
-      "engines": {
-        "node": ">=16"
-      },
-      "funding": {
-        "type": "GitHub Sponsors ❤",
-        "url": "https://github.com/sponsors/dmonad"
-      }
+      "resolved": "",
+      "link": true
     },
     "node_modules/yocto-queue": {
       "version": "0.1.0",
diff --git a/package.json b/package.json
index 62feded0..7c4e51ac 100644
--- a/package.json
+++ b/package.json
@@ -91,7 +91,8 @@
     "markdownlint-cli": "^0.45.0",
     "rollup": "^4.52.5",
     "standard": "^17.1.2",
-    "typescript": "^5.9.3"
+    "typescript": "^5.9.3",
+    "yjs": "."
   },
   "engines": {
     "npm": ">=8.0.0",