diff --git a/app/manifest.json b/app/manifest.json
index e71018211..0fc43c7d4 100644
--- a/app/manifest.json
+++ b/app/manifest.json
@@ -57,7 +57,8 @@
   "permissions": [
     "storage",
     "clipboardWrite",
-    "http://localhost:8545/"
+    "http://localhost:8545/",
+    "https://*.infura.io/"
     ],
   "web_accessible_resources": [
     "scripts/inpage.js"
diff --git a/app/scripts/lib/tx-state-history-helper.js b/app/scripts/lib/tx-state-history-helper.js
index 304069d57..5ebd78689 100644
--- a/app/scripts/lib/tx-state-history-helper.js
+++ b/app/scripts/lib/tx-state-history-helper.js
@@ -24,7 +24,8 @@ function generateHistoryEntry(previousState, newState) {
   return jsonDiffer.compare(previousState, newState)
 }
 
-function replayHistory(shortHistory) {
+function replayHistory(_shortHistory) {
+  const shortHistory = clone(_shortHistory)
   return shortHistory.reduce((val, entry) => jsonDiffer.applyPatch(val, entry).newDocument)
 }
 
diff --git a/package.json b/package.json
index b9a38ac71..918531f15 100644
--- a/package.json
+++ b/package.json
@@ -141,7 +141,7 @@
     "valid-url": "^1.0.9",
     "vreme": "^3.0.2",
     "web3": "^0.20.1",
-    "web3-provider-engine": "^13.2.12",
+    "web3-provider-engine": "^13.3.1",
     "web3-stream-provider": "^3.0.1",
     "xtend": "^4.0.1"
   },
diff --git a/test/unit/tx-state-history-helper.js b/test/unit/tx-state-history-helper.js
index 5bb6c9bee..e5075af88 100644
--- a/test/unit/tx-state-history-helper.js
+++ b/test/unit/tx-state-history-helper.js
@@ -20,4 +20,26 @@ describe('tx-state-history-helper', function () {
       })
     })
   })
+
+  it('replaying history does not mutate the original obj', function () {
+    const initialState = { test: true, message: 'hello', value: 1 }
+    const diff1 = {
+      "op": "replace",
+      "path": "/message",
+      "value": "haay",
+    }
+    const diff2 = {
+      "op": "replace",
+      "path": "/value",
+      "value": 2,
+    }
+    const history = [initialState, diff1, diff2]
+
+    const beforeStateSnapshot = JSON.stringify(initialState)
+    const latestState = txStateHistoryHelper.replayHistory(history)
+    const afterStateSnapshot = JSON.stringify(initialState)
+
+    assert.notEqual(initialState, latestState, 'initial state is not the same obj as the latest state')
+    assert.equal(beforeStateSnapshot, afterStateSnapshot, 'initial state is not modified during run')
+  })
 })