diff --git a/demo/server/package.json b/demo/server/package.json
index b10c5bc..cd90316 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": "^3.0.0",
     "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 92d6dd8..4965a4e 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: ^3.0.0
+        version: 3.0.0(graphql@16.9.0)
       graphql-ws:
         specifier: ^5.5.5
         version: 5.16.0(graphql@16.9.0)
@@ -357,10 +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@3.0.0:
+    resolution: {integrity: sha512-kZCdevgmzDjGAOqH7GlDmQXYAkuHoKpMlJrqF40HMPhUhM5ZWSFSxCwD/nSi6AkaijmMfsFhoJRGJ27UseCvRA==}
     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==}
@@ -402,9 +402,6 @@ packages:
     resolution: {integrity: sha512-0KI/607xoxSToH7GjN1FfSbLoU0+btTicjsQSWQlh/hZykN8KpmMf7uYwPW3R+akZ6R/w18ZlXSHBYXiYUPO3g==}
     engines: {node: '>= 0.10'}
 
-  iterall@1.3.0:
-    resolution: {integrity: sha512-QZ9qOMdF+QLHxy1QIpUHUU1D5pS2CG2P69LF6L6CPjPYA/XMOmKV3PZpawHoAjHNyB0swdVTRxdYT4tbBbxqwg==}
-
   lodash.sortby@4.7.0:
     resolution: {integrity: sha512-HDWXG8isMntAyRF5vZ7xKuEvOhT4AhlRt/3czTSjvGUxjYCBVRQY48ViDHyfYz9VIoBkW4TMGQNapx+l3RUwdA==}
 
@@ -993,10 +990,9 @@ snapshots:
     dependencies:
       get-intrinsic: 1.2.4
 
-  graphql-subscriptions@1.2.1(graphql@16.9.0):
+  graphql-subscriptions@3.0.0(graphql@16.9.0):
     dependencies:
       graphql: 16.9.0
-      iterall: 1.3.0
 
   graphql-ws@5.16.0(graphql@16.9.0):
     dependencies:
@@ -1032,8 +1028,6 @@ snapshots:
 
   ipaddr.js@1.9.1: {}
 
-  iterall@1.3.0: {}
-
   lodash.sortby@4.7.0: {}
 
   loglevel@1.9.1: {}