diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8062b38f5..267c13da7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 ## Current Master
 
 - Fixed bug where send view would not load correctly the first time it was visited per account.
+- Migrated all users to new scalable backend.
 
 ## 1.8.1 2016-05-10
 
diff --git a/app/scripts/lib/migrations.js b/app/scripts/lib/migrations.js
index 0b8e6265c..f026cbe53 100644
--- a/app/scripts/lib/migrations.js
+++ b/app/scripts/lib/migrations.js
@@ -1,10 +1,5 @@
-var path = require('path')
-var fs = require('fs')
-
-var migration2 = require('../migrations/002')
-var migration3 = require('../migrations/003')
-
 module.exports = [
-  migration2,
-  migration3,
+  require('../migrations/002'),
+  require('../migrations/003'),
+  require('../migrations/004'),
 ]
diff --git a/app/scripts/migrations/004.js b/app/scripts/migrations/004.js
new file mode 100644
index 000000000..2e3164baf
--- /dev/null
+++ b/app/scripts/migrations/004.js
@@ -0,0 +1,22 @@
+module.exports = {
+  version: 4,
+
+  migrate: function(data) {
+    try {
+      if (data.config.provider.type !== 'rpc') return data
+      switch (data.config.provider.rpcTarget) {
+        case 'https://testrpc.metamask.io/':
+            data.config.provider = {
+              type: 'testnet'
+            }
+          break
+        case 'https://rpc.metamask.io/':
+            data.config.provider = {
+              type: 'mainnet'
+            }
+          break
+      }
+    } catch (_) {}
+    return data
+  }
+}
diff --git a/test/unit/migrations-test.js b/test/unit/migrations-test.js
index 3b347530a..9ea8d5c5a 100644
--- a/test/unit/migrations-test.js
+++ b/test/unit/migrations-test.js
@@ -5,6 +5,7 @@ var wallet1 = require(path.join('..', 'lib', 'migrations', '001.json'))
 
 var migration2 = require(path.join('..', '..', 'app', 'scripts', 'migrations', '002'))
 var migration3 = require(path.join('..', '..', 'app', 'scripts', 'migrations', '003'))
+var migration4 = require(path.join('..', '..', 'app', 'scripts', 'migrations', '004'))
 
 describe('wallet1 is migrated successfully', function() {
 
@@ -23,6 +24,10 @@ describe('wallet1 is migrated successfully', function() {
     var secondResult = migration3.migrate(firstResult)
     assert.equal(secondResult.config.provider.rpcTarget, newTestRpc)
 
+    var thirdResult = migration4.migrate(secondResult)
+    assert.equal(secondResult.config.provider.rpcTarget, null)
+    assert.equal(secondResult.config.provider.type, 'testnet')
+
     done()
   })
 })