diff --git a/backend/package.json b/backend/package.json
index 893daec..166ddf5 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -46,7 +46,7 @@
     "prisma": "^7.4.2",
     "@hocuspocus/extension-database": "^3.4.4",
     "@hocuspocus/extension-logger": "^3.4.4",
-    "@hocuspocus/server": "^3.1.1",
+    "@hocuspocus/server": "^4.2.0",
     "@prisma/adapter-pg": "^7.4.2",
     "@prisma/client": "^7.4.2",
     "@types/formidable": "^3.4.7",
diff --git a/backend/pnpm-lock.yaml b/backend/pnpm-lock.yaml
index 6856b92..747a4f4 100644
--- a/backend/pnpm-lock.yaml
+++ b/backend/pnpm-lock.yaml
@@ -32,8 +32,8 @@ importers:
         specifier: ^3.4.4
         version: 3.4.4(y-protocols@1.0.6(yjs@13.6.29))(yjs@13.6.29)
       '@hocuspocus/server':
-        specifier: ^3.1.1
-        version: 3.4.4(y-protocols@1.0.6(yjs@13.6.29))(yjs@13.6.29)
+        specifier: ^4.2.0
+        version: 4.2.0(y-protocols@1.0.6(yjs@13.6.29))(yjs@13.6.29)
       '@prisma/adapter-pg':
         specifier: ^7.4.2
         version: 7.4.2
@@ -512,6 +512,9 @@ packages:
   '@hocuspocus/common@3.4.4':
     resolution: {integrity: sha512-RykIJ0tsHHMP4Xk+4UCbc7SO5LgGxGUSTdbh6anJEsaALAyqinf1Nn5HYuMjLPolAmsar1v++m9zufR09NLpXA==}
 
+  '@hocuspocus/common@4.2.0':
+    resolution: {integrity: sha512-031clELz+rW7MpmpFUFN7+vE52Gtk1wkrSVHyqydZgKSLf5AtrorliCf38cH65mGGltLR2/JrydzqOk2bVQhjw==}
+
   '@hocuspocus/extension-database@3.4.4':
     resolution: {integrity: sha512-z7iq2Dw+GOp4aQq7ys3PD0BA++7tQdXBsSHZ+8mkAbxfTDzjzQ576TphxPiXXC1WQ7yjeFXq03xp/KLIhg3Pyg==}
     peerDependencies:
@@ -532,6 +535,13 @@ packages:
       y-protocols: ^1.0.6
       yjs: ^13.6.8
 
+  '@hocuspocus/server@4.2.0':
+    resolution: {integrity: sha512-D3OjjH/62G2M6FDfJMJDtAgV3VdUcq1V4MNLjuVaUpdhWkRy5OdzC6Zwo9hfFmtoolDzAy+WUK+xFPN/FljtYw==}
+    engines: {node: '>=22'}
+    peerDependencies:
+      y-protocols: ^1.0.6
+      yjs: ^13.6.8
+
   '@hocuspocus/transformer@3.4.4':
     resolution: {integrity: sha512-X0EJ863LV97YbL5m8WTt4NDSC6uHi6ZCq/teIH5aholdjdhdTmFrzMemdhha/ZqPUZyaKhOoAmZzwR55HZLPpQ==}
     peerDependencies:
@@ -1410,6 +1420,14 @@ packages:
     resolution: {integrity: sha512-uV2QOWP2nWzsy2aMp8aRibhi9dlzF5Hgh5SHaB9OiTGEyDTiJJyx0uy51QXdyWbtAHNua4XJzUKca3OzKUd3vA==}
     engines: {node: '>= 8'}
 
+  crossws@0.4.6:
+    resolution: {integrity: sha512-/Wxe9Z007EbJ496j88nToZEvyPZ8PY/wjZJ18Agh/GCA9cYHyLbxtrpdFlFzAw3TV20F0SUYGl0g6PzChbwUrg==}
+    peerDependencies:
+      srvx: '>=0.11.5'
+    peerDependenciesMeta:
+      srvx:
+        optional: true
+
   csstype@3.2.3:
     resolution: {integrity: sha512-z1HGKcYy2xA8AGQfwrn0PAy+PB7X/GSj3UVJW9qKyn43xWa+gl5nXmU4qqLMRzWVLFC8KusUX8T/0kCiOYpAIQ==}
 
@@ -1711,6 +1729,11 @@ packages:
     engines: {node: '>=16'}
     hasBin: true
 
+  lib0@0.2.117:
+    resolution: {integrity: sha512-DeXj9X5xDCjgKLU/7RR+/HQEVzuuEUiwldwOGsHK/sfAfELGWEyTcf0x+uOvCvK3O2zPmZePXWL85vtia6GyZw==}
+    engines: {node: '>=16'}
+    hasBin: true
+
   lilconfig@2.1.0:
     resolution: {integrity: sha512-utWOt/GHzuUxnLKxB6dk81RoOeoNeHgbrXiuGk4yyF5qlRz+iIVWu56E2fqGHFrXz0QNUhLB/8nKqvRH66JKGQ==}
     engines: {node: '>=10'}
@@ -2955,7 +2978,11 @@ snapshots:
 
   '@hocuspocus/common@3.4.4':
     dependencies:
-      lib0: 0.2.107
+      lib0: 0.2.117
+
+  '@hocuspocus/common@4.2.0':
+    dependencies:
+      lib0: 0.2.117
 
   '@hocuspocus/extension-database@3.4.4(y-protocols@1.0.6(yjs@13.6.29))(yjs@13.6.29)':
     dependencies:
@@ -2993,7 +3020,7 @@ snapshots:
       async-lock: 1.4.1
       async-mutex: 0.5.0
       kleur: 4.1.5
-      lib0: 0.2.107
+      lib0: 0.2.117
       ws: 8.21.0
       y-protocols: 1.0.6(yjs@13.6.29)
       yjs: 13.6.29
@@ -3001,6 +3028,18 @@ snapshots:
       - bufferutil
       - utf-8-validate
 
+  '@hocuspocus/server@4.2.0(y-protocols@1.0.6(yjs@13.6.29))(yjs@13.6.29)':
+    dependencies:
+      '@hocuspocus/common': 4.2.0
+      async-mutex: 0.5.0
+      crossws: 0.4.6
+      kleur: 4.1.5
+      lib0: 0.2.117
+      y-protocols: 1.0.6(yjs@13.6.29)
+      yjs: 13.6.29
+    transitivePeerDependencies:
+      - srvx
+
   '@hocuspocus/transformer@3.4.4(@tiptap/core@3.6.1(@tiptap/pm@3.6.1))(@tiptap/pm@3.6.1)(y-prosemirror@1.3.5(prosemirror-model@1.25.1)(prosemirror-state@1.4.3)(prosemirror-view@1.39.2)(y-protocols@1.0.6(yjs@13.6.29))(yjs@13.6.29))(yjs@13.6.29)':
     dependencies:
       '@tiptap/core': 3.6.1(@tiptap/pm@3.6.1)
@@ -4013,6 +4052,8 @@ snapshots:
       shebang-command: 2.0.0
       which: 2.0.2
 
+  crossws@0.4.6: {}
+
   csstype@3.2.3: {}
 
   debug@4.4.3:
@@ -4329,6 +4370,10 @@ snapshots:
     dependencies:
       isomorphic.js: 0.2.5
 
+  lib0@0.2.117:
+    dependencies:
+      isomorphic.js: 0.2.5
+
   lilconfig@2.1.0: {}
 
   linkify-it@5.0.0:
@@ -4926,7 +4971,7 @@ snapshots:
 
   y-prosemirror@1.3.5(prosemirror-model@1.25.1)(prosemirror-state@1.4.3)(prosemirror-view@1.39.2)(y-protocols@1.0.6(yjs@13.6.29))(yjs@13.6.29):
     dependencies:
-      lib0: 0.2.107
+      lib0: 0.2.117
       prosemirror-model: 1.25.1
       prosemirror-state: 1.4.3
       prosemirror-view: 1.39.2
@@ -4935,7 +4980,7 @@ snapshots:
 
   y-protocols@1.0.6(yjs@13.6.29):
     dependencies:
-      lib0: 0.2.107
+      lib0: 0.2.117
       yjs: 13.6.29
 
   yjs@13.6.29: