diff --git a/browser_patches/firefox/BUILD_NUMBER b/browser_patches/firefox/BUILD_NUMBER
index a1a6c96a89..6a179049da 100644
--- a/browser_patches/firefox/BUILD_NUMBER
+++ b/browser_patches/firefox/BUILD_NUMBER
@@ -1,2 +1,2 @@
-1195
-Changed: yurys@chromium.org Tue Oct 20 13:36:31 PDT 2020
+1196
+Changed: pavel.feldman@gmail.com Wed Oct 21 13:53:01 PDT 2020
diff --git a/browser_patches/firefox/juggler/NetworkObserver.js b/browser_patches/firefox/juggler/NetworkObserver.js
index 0264c1d82b..df7dedfe4c 100644
--- a/browser_patches/firefox/juggler/NetworkObserver.js
+++ b/browser_patches/firefox/juggler/NetworkObserver.js
@@ -507,6 +507,17 @@ class NetworkRequest {
       return;
 
     this.httpChannel.QueryInterface(Ci.nsIHttpChannelInternal);
+    this.httpChannel.QueryInterface(Ci.nsITimedChannel);
+    const timing = {
+      startTime: this.httpChannel.channelCreationTime,
+      domainLookupStart: this.httpChannel.domainLookupStartTime,
+      domainLookupEnd: this.httpChannel.domainLookupEndTime,
+      connectStart: this.httpChannel.connectStartTime,
+      secureConnectionStart: this.httpChannel.secureConnectionStartTime,
+      connectEnd: this.httpChannel.connectEndTime,
+      requestStart: this.httpChannel.requestStartTime,
+      responseStart: this.httpChannel.responseStartTime,
+    };
 
     const headers = [];
     let status = 0;
@@ -540,6 +551,7 @@ class NetworkRequest {
       remotePort,
       status,
       statusText,
+      timing,
     }, this._frameId);
   }
 
@@ -559,6 +571,7 @@ class NetworkRequest {
     if (pageNetwork) {
       pageNetwork.emit(PageNetwork.Events.RequestFinished, {
         requestId: this.requestId,
+        responseEndTime: this.httpChannel.responseEndTime,
       }, this._frameId);
     }
     this._networkObserver._channelToRequest.delete(this.httpChannel);
diff --git a/browser_patches/firefox/juggler/protocol/Protocol.js b/browser_patches/firefox/juggler/protocol/Protocol.js
index e4466f0657..4f07a46a72 100644
--- a/browser_patches/firefox/juggler/protocol/Protocol.js
+++ b/browser_patches/firefox/juggler/protocol/Protocol.js
@@ -189,6 +189,16 @@ networkTypes.SecurityDetails = {
   validTo: t.Number,
 };
 
+networkTypes.ResourceTiming = {
+  startTime: t.Number,
+  domainLookupStart: t.Number,
+  domainLookupEnd: t.Number,
+  connectStart: t.Number,
+  secureConnectionStart: t.Number,
+  connectEnd: t.Number,
+  requestStart: t.Number,
+  responseStart: t.Number,
+};
 
 const Browser = {
   targets: ['browser'],
@@ -450,9 +460,11 @@ const Network = {
       status: t.Number,
       statusText: t.String,
       headers: t.Array(networkTypes.HTTPHeader),
+      timing: networkTypes.ResourceTiming,
     },
     'requestFinished': {
       requestId: t.String,
+      responseEndTime: t.Number,
     },
     'requestFailed': {
       requestId: t.String,