diff --git a/lib/channel-websocket/package.json b/lib/channel-websocket/package.json
index cdd523874684..4647fbaa77cb 100644
--- a/lib/channel-websocket/package.json
+++ b/lib/channel-websocket/package.json
@@ -31,7 +31,7 @@
     "@storybook/channels": "5.3.13",
     "core-js": "^3.0.1",
     "global": "^4.3.2",
-    "json-fn": "^1.1.1"
+    "telejson": "^3.2.0"
   },
   "publishConfig": {
     "access": "public"
diff --git a/lib/channel-websocket/src/index.ts b/lib/channel-websocket/src/index.ts
index d82f04081bce..53fb50ba6c17 100644
--- a/lib/channel-websocket/src/index.ts
+++ b/lib/channel-websocket/src/index.ts
@@ -1,6 +1,6 @@
 import { WebSocket } from 'global';
-import JSON from 'json-fn';
 import { Channel, ChannelHandler } from '@storybook/channels';
+import { isJSON, parse, stringify } from 'telejson';
 
 type OnError = (message: Event) => void;
 
@@ -45,7 +45,7 @@ export class WebsocketTransport {
   }
 
   private sendNow(event: any) {
-    const data = JSON.stringify(event);
+    const data = stringify(event, { maxDepth: 15, allowFunction: true });
     this.socket.send(data);
   }
 
@@ -61,8 +61,8 @@ export class WebsocketTransport {
       this.isReady = true;
       this.flush();
     };
-    this.socket.onmessage = e => {
-      const event = JSON.parse(e.data);
+    this.socket.onmessage = ({ data }) => {
+      const event = typeof data === 'string' && isJSON(data) ? parse(data) : data;
       this.handler(event);
     };
     this.socket.onerror = e => {
diff --git a/yarn.lock b/yarn.lock
index 1baa60389788..ba2c6861d76f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -19828,11 +19828,6 @@ json-buffer@3.0.0:
   resolved "https://registry.yarnpkg.com/json-buffer/-/json-buffer-3.0.0.tgz#5b1f397afc75d677bde8bcfc0e47e1f9a3d9a898"
   integrity sha1-Wx85evx11ne96Lz8Dkfh+aPZqJg=
 
-json-fn@^1.1.1:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/json-fn/-/json-fn-1.1.1.tgz#4293c9198a482d6697d334a6e32cd0d221121e80"
-  integrity sha1-QpPJGYpILWaX0zSm4yzQ0iESHoA=
-
 json-parse-better-errors@^1.0.0, json-parse-better-errors@^1.0.1, json-parse-better-errors@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/json-parse-better-errors/-/json-parse-better-errors-1.0.2.tgz#bb867cfb3450e69107c131d1c514bab3dc8bcaa9"