diff --git a/demos/yjs-nextjs-supabase-text-collab/package.json b/demos/yjs-nextjs-supabase-text-collab/package.json
index a281f632..ec769a18 100644
--- a/demos/yjs-nextjs-supabase-text-collab/package.json
+++ b/demos/yjs-nextjs-supabase-text-collab/package.json
@@ -46,7 +46,8 @@
     "shiki": "^0.10.0",
     "simplify-js": "^1.2.4",
     "uuid": "9.0.1",
-    "y-prosemirror": "1.0.20",
+    "y-prosemirror": "1.0.20", 
+    "y-protocols": "1.0.6", 
     "yjs": "^13.6.11"
   },
   "devDependencies": {
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index eb3d8acc..06bd34f2 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -653,6 +653,9 @@ importers:
       y-prosemirror:
         specifier: 1.0.20
         version: 1.0.20(prosemirror-model@1.19.4)(prosemirror-state@1.4.3)(prosemirror-view@1.32.7)(y-protocols@1.0.6)(yjs@13.6.12)
+      y-protocols:
+        specifier: 1.0.6
+        version: 1.0.6(yjs@13.6.12)
       yjs:
         specifier: ^13.6.11
         version: 13.6.12