diff --git a/src/components/client.ts b/src/components/client.ts
index 1497d4ed..46c4e5f5 100644
--- a/src/components/client.ts
+++ b/src/components/client.ts
@@ -143,9 +143,9 @@ export class <%= className %> {
       rpcParams = params;
     }
     if (notification) {
-      return this.rpc.notify(methodName, rpcParams);
+      return this.rpc.notify({method: methodName, params: rpcParams});
     }
-    return this.rpc.request(methodName, rpcParams, this.timeout);
+    return this.rpc.request({method: methodName, params: rpcParams}, this.timeout);
   }
 
   <% openrpcDocument.methods.forEach((method) => { %>
diff --git a/templates/client/typescript/_package.json b/templates/client/typescript/_package.json
index 68d90a0a..8997b15b 100644
--- a/templates/client/typescript/_package.json
+++ b/templates/client/typescript/_package.json
@@ -13,7 +13,7 @@
   "author": "",
   "license": "Apache-2.0",
   "dependencies": {
-    "@open-rpc/client-js": "^1.3.1",
+    "@open-rpc/client-js": "^1.4.0",
     "@open-rpc/meta-schema": "^1.6.0",
     "@open-rpc/schema-utils-js": "^1.12.0",
     "@types/json-schema": "7.0.3",