diff --git a/CHANGELOG.md b/CHANGELOG.md
index f16c1a3b..4d804b15 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 * disable webRTC by default (https://github.com/bromite/bromite/issues/9, still not working proper)
 * do not enable search engine geolocation by default
 * use own package name (closes https://github.com/bromite/bromite/issues/1)
+* use 64bit WebView process
 
 # 63.0.3239.10
 * attempt enabling API keys (didn't work)
diff --git a/patches/performance/0012-use-64-bit-WebView-processes.patch b/patches/performance/0012-use-64-bit-WebView-processes.patch
new file mode 100644
index 00000000..d2d5c34f
--- /dev/null
+++ b/patches/performance/0012-use-64-bit-WebView-processes.patch
@@ -0,0 +1,26 @@
+From ee80624a6cad6e19a281a59cfea32f406e7ee03d Mon Sep 17 00:00:00 2001
+From: Daniel Micay <danielmicay@gmail.com>
+Date: Thu, 26 Jan 2017 01:30:12 -0500
+Subject: [PATCH 12/21] use 64-bit WebView processes
+
+---
+ android_webview/apk/java/AndroidManifest.xml | 3 +--
+ 1 file changed, 1 insertion(+), 2 deletions(-)
+
+diff --git a/android_webview/apk/java/AndroidManifest.xml b/android_webview/apk/java/AndroidManifest.xml
+index 23b55ecb437a..3f7212fe2807 100644
+--- a/android_webview/apk/java/AndroidManifest.xml
++++ b/android_webview/apk/java/AndroidManifest.xml
+@@ -20,8 +20,7 @@
+ 
+     <application android:label="Android System WebView"
+                  android:icon="@drawable/icon_webview"
+-                 android:multiArch="true"
+-                 android:use32bitAbi="true">
++                 android:multiArch="true">
+         {# This part is shared between stand-alone WebView and Monochrome #}
+         {% macro common(manifest_package, webview_lib) %}
+             <meta-data android:name="com.android.webview.WebViewLibrary"
+-- 
+2.14.2
+