diff --git a/DEPS b/DEPS
index b7e418a38f4..c67163d9318 100644
--- a/DEPS
+++ b/DEPS
@@ -19,7 +19,7 @@
 
 vars = {
   'chromium_git': 'https://chromium.googlesource.com',
-  'mojo_sdk_revision': '9a5f81a3d2a6d027677366edb5de3ae85f6dbf16',
+  'mojo_sdk_revision': '76ff57433b48527dc491dac4c52c9d71a7c3a0e3',
   'skia_revision': '29ccdf86ab0a1649fd775c9431891bacb1391e99',
   'dart_revision': '95c951ad190f156eb61b99203c2e4948211c44a7',
   'dart_observatory_packages_revision': 'cdc4b3d4c15b9c0c8e7702dff127b440afbb7485',
diff --git a/engine/src/flutter/.gitignore b/engine/src/flutter/.gitignore
index ed086d94eb6..87190951c16 100644
--- a/engine/src/flutter/.gitignore
+++ b/engine/src/flutter/.gitignore
@@ -67,6 +67,8 @@ Thumbs.db
 /examples/**/pubspec.lock
 /mojo/common/dart/packages
 /mojo/dart/apptest/packages
+/mojo/dart/http_load_test/bin/packages
+/mojo/dart/http_load_test/packages/
 /mojo/dart/mojo_services/packages
 /mojo/dart/mojo_services/pubspec.lock
 /mojo/dart/mojom/bin/packages
diff --git a/engine/src/flutter/sky/tools/roll/patches/mojo/mojo_converters_input_events.patch b/engine/src/flutter/sky/tools/roll/patches/mojo/mojo_converters_input_events.patch
new file mode 100644
index 00000000000..8434aca7362
--- /dev/null
+++ b/engine/src/flutter/sky/tools/roll/patches/mojo/mojo_converters_input_events.patch
@@ -0,0 +1,20 @@
+diff --git b/mojo/converters/input_events/input_events_type_converters.cc a/mojo/converters/input_events/input_events_type_converters.cc
+index a4f6e73..a7d6a97 100644
+--- b/mojo/converters/input_events/input_events_type_converters.cc
++++ a/mojo/converters/input_events/input_events_type_converters.cc
+@@ -11,7 +11,6 @@
+ #include <X11/Xlib.h>
+ #endif
+ 
+-#include "base/time/time.h"
+ #include "mojo/converters/geometry/geometry_type_converters.h"
+ #include "mojo/converters/input_events/mojo_extended_key_event_data.h"
+ #include "mojo/services/input_events/public/interfaces/input_events.mojom.h"
+@@ -278,7 +277,6 @@ scoped_ptr<ui::Event> TypeConverter<scoped_ptr<ui::Event>, EventPtr>::Convert(
+         // TODO: last flags isn't right. Need to send changed_flags.
+         scoped_ptr<ui::MouseEvent> event(new ui::MouseEvent(
+             MojoMouseEventTypeToUIEvent(input), location, screen_location,
+-            base::TimeDelta::FromMilliseconds(input->time_stamp),
+             ui::EventFlags(input->flags), ui::EventFlags(input->flags)));
+         if (event->IsMouseWheelEvent()) {
+           // This conversion assumes we're using the mojo meaning of these
diff --git a/engine/src/flutter/sky/tools/roll/patches/mojo/services_keyboard.patch b/engine/src/flutter/sky/tools/roll/patches/mojo/services_keyboard.patch
new file mode 100644
index 00000000000..d1180aab391
--- /dev/null
+++ b/engine/src/flutter/sky/tools/roll/patches/mojo/services_keyboard.patch
@@ -0,0 +1,30 @@
+diff --git a/services/keyboard/src/org/chromium/mojo/keyboard/InputConnectionAdaptor.java b/services/keyboard/src/org/chromium/mojo/keyboard/InputConnectionAdaptor.java
+index 42bdd57..a3cdc61 100644
+--- a/services/keyboard/src/org/chromium/mojo/keyboard/InputConnectionAdaptor.java
++++ b/services/keyboard/src/org/chromium/mojo/keyboard/InputConnectionAdaptor.java
+@@ -4,7 +4,10 @@
+ 
+ package org.chromium.mojo.keyboard;
+ 
++import java.lang.StringBuilder;
++
+ import android.view.View;
++import android.view.KeyEvent;
+ import android.view.inputmethod.BaseInputConnection;
+ import android.view.inputmethod.CompletionInfo;
+ import android.view.inputmethod.CorrectionInfo;
+@@ -71,4 +74,14 @@ public class InputConnectionAdaptor extends BaseInputConnection {
+         mClient.setSelection(start, end);
+         return super.setSelection(start, end);
+     }
++
++    // Number keys come through as key events instead of commitText!?
++    @Override
++    public boolean sendKeyEvent(KeyEvent event) {
++        if (event.getAction() == KeyEvent.ACTION_UP) {
++            // 1 appears to always be the value for newCursorPosition?
++            mClient.commitText(String.valueOf(event.getNumber()), 1);
++        }
++        return super.sendKeyEvent(event);
++    }
+ }
diff --git a/engine/src/flutter/sky/tools/roll/roll.py b/engine/src/flutter/sky/tools/roll/roll.py
index a066a7f7bb8..c66fb7b8684 100755
--- a/engine/src/flutter/sky/tools/roll/roll.py
+++ b/engine/src/flutter/sky/tools/roll/roll.py
@@ -72,7 +72,21 @@ dirs_from_chromium = _base_deps + _build_deps + _chromium_libs + _third_party_de
 
 dirs_from_mojo = [
     'gpu',
-    'mojo',
+    'mojo/android',
+    'mojo/application',
+    'mojo/common',
+    'mojo/converters',
+    'mojo/dart',
+    'mojo/data_pipe_utils',
+    'mojo/edk',
+    'mojo/environment',
+    'mojo/gles2',
+    'mojo/gpu',
+    'mojo/icu',
+    'mojo/java',
+    'mojo/message_pump',
+    'mojo/services',
+    'mojo/skia',
     'services/asset_bundle',
     'services/keyboard',
     'services/sensors',