diff --git a/demo/server/package.json b/demo/server/package.json
index 6a69041..107922a 100644
--- a/demo/server/package.json
+++ b/demo/server/package.json
@@ -17,7 +17,7 @@
     "cors": "^2.8.5",
     "express": "^4.17.1",
     "graphql": "^16.6.0",
-    "graphql-subscriptions": "^1.2.1",
+    "graphql-subscriptions": "^2.0.0",
     "graphql-ws": "^5.5.5",
     "typescript": "^4.7.4",
     "ws": "^8.4.2"
diff --git a/demo/server/pnpm-lock.yaml b/demo/server/pnpm-lock.yaml
index 5345bef..3814e39 100644
--- a/demo/server/pnpm-lock.yaml
+++ b/demo/server/pnpm-lock.yaml
@@ -27,8 +27,8 @@ importers:
         specifier: ^16.6.0
         version: 16.9.0
       graphql-subscriptions:
-        specifier: ^1.2.1
-        version: 1.2.1(graphql@16.9.0)
+        specifier: ^2.0.0
+        version: 2.0.0(graphql@16.9.0)
       graphql-ws:
         specifier: ^5.5.5
         version: 5.16.0(graphql@16.9.0)
@@ -242,10 +242,6 @@ packages:
   asynckit@0.4.0:
     resolution: {integrity: sha512-Oei9OH4tRh0YqU3GxhX79dM/mwVgvbZJaSNaRk+bshkj0S5cfHcgYakreBjrHwatXKbz+IoIdYLxrKim2MjW0Q==}
 
-  body-parser@1.20.2:
-    resolution: {integrity: sha512-ml9pReCu3M61kGlqoTm2umSXTlRTuGTx0bfYj+uIUKKYycG5NtSbeetV3faSU6R7ajOPw0g/J1PvK4qNy7s5bA==}
-    engines: {node: '>= 0.8', npm: 1.2.8000 || >= 1.4.16}
-
   body-parser@1.20.3:
     resolution: {integrity: sha512-7rAxByjUMqQ3/bHJy7D6OGXvx/MMc4IqBn/X0fcM1QUcAItpZrBEYhWGem+tzXH90c+G01ypMcYJBO9Y30203g==}
     engines: {node: '>= 0.8', npm: 1.2.8000 || >= 1.4.16}
@@ -361,10 +357,10 @@ packages:
   gopd@1.0.1:
     resolution: {integrity: sha512-d65bNlIadxvpb/A2abVdlqKqV563juRnZ1Wtk6s1sIR8uNsXR70xqIzVqxVf1eTqDunwT2MkczEeaezCKTZhwA==}
 
-  graphql-subscriptions@1.2.1:
-    resolution: {integrity: sha512-95yD/tKi24q8xYa7Q9rhQN16AYj5wPbrb8tmHGM3WRc9EBmWrG/0kkMl+tQG8wcEuE9ibR4zyOM31p5Sdr2v4g==}
+  graphql-subscriptions@2.0.0:
+    resolution: {integrity: sha512-s6k2b8mmt9gF9pEfkxsaO1lTxaySfKoEJzEfmwguBbQ//Oq23hIXCfR1hm4kdh5hnR20RdwB+s3BCb+0duHSZA==}
     peerDependencies:
-      graphql: ^0.10.5 || ^0.11.3 || ^0.12.0 || ^0.13.0 || ^14.0.0 || ^15.0.0
+      graphql: ^15.7.2 || ^16.0.0
 
   graphql-ws@5.16.0:
     resolution: {integrity: sha512-Ju2RCU2dQMgSKtArPbEtsK5gNLnsQyTNIo/T7cZNp96niC1x0KdJNZV0TIoilceBPQwfb5itrGl8pkFeOUMl4A==}
@@ -847,23 +843,6 @@ snapshots:
 
   asynckit@0.4.0: {}
 
-  body-parser@1.20.2:
-    dependencies:
-      bytes: 3.1.2
-      content-type: 1.0.5
-      debug: 2.6.9
-      depd: 2.0.0
-      destroy: 1.2.0
-      http-errors: 2.0.0
-      iconv-lite: 0.4.24
-      on-finished: 2.4.1
-      qs: 6.11.0
-      raw-body: 2.5.2
-      type-is: 1.6.18
-      unpipe: 1.0.0
-    transitivePeerDependencies:
-      - supports-color
-
   body-parser@1.20.3:
     dependencies:
       bytes: 3.1.2
@@ -1014,7 +993,7 @@ snapshots:
     dependencies:
       get-intrinsic: 1.2.4
 
-  graphql-subscriptions@1.2.1(graphql@16.9.0):
+  graphql-subscriptions@2.0.0(graphql@16.9.0):
     dependencies:
       graphql: 16.9.0
       iterall: 1.3.0