diff --git a/ethereum/index.js b/ethereum/index.js
index 2f58a11..62045c7 100644
--- a/ethereum/index.js
+++ b/ethereum/index.js
@@ -1,3 +1,5 @@
+const Uint8Array = require('typedarray').Uint8Array;
+
 import {pangeaETHAddress} from '../vm-raw'
 const VMProvider = require('./vmProvider');
 const VMSigner = require('./VMSigner');
diff --git a/package-lock.json b/package-lock.json
index dbf3eda..f151785 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5290,6 +5290,11 @@
         "prelude-ls": "1.1.2"
       }
     },
+    "typedarray": {
+      "version": "0.0.6",
+      "resolved": "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz",
+      "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c="
+    },
     "uglify-js": {
       "version": "2.8.29",
       "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-2.8.29.tgz",
diff --git a/package.json b/package.json
index 3e919e3..ebc0324 100644
--- a/package.json
+++ b/package.json
@@ -26,5 +26,8 @@
     "babel-plugin-jest-hoist": "^23.0.1",
     "babel-preset-env": "^1.7.0",
     "jest": "^23.1.0"
+  },
+  "dependencies": {
+    "typedarray": "0.0.6"
   }
 }