diff --git a/commit-helper/package.json b/commit-helper/package.json
index 5d4d4ad..93b576e 100644
--- a/commit-helper/package.json
+++ b/commit-helper/package.json
@@ -21,6 +21,7 @@
     "lodash": "^4.6.1",
     "react": "^0.14.7",
     "react-dom": "^0.14.7",
+    "rx": "^4.1.0",
     "whatwg-fetch": "^0.11.0"
   },
   "devDependencies": {
diff --git a/commit-helper/typings.json b/commit-helper/typings.json
index e1cb21b..3687ae1 100644
--- a/commit-helper/typings.json
+++ b/commit-helper/typings.json
@@ -5,6 +5,8 @@
   "ambientDependencies": {
     "react": "registry:dt/react#0.14.0+20160302224448",
     "react-dom": "registry:dt/react-dom#0.0.0+20151118193745",
+    "rx": "registry:dt/rx#0.0.0+20150720134954",
+    "rx-lite": "registry:dt/rx-lite#0.0.0+20151011190054",
     "whatwg-fetch": "registry:dt/whatwg-fetch#0.0.0+20160226102134"
   }
 }