diff --git a/package.json b/package.json
index 527c01b..0c0d220 100644
--- a/package.json
+++ b/package.json
@@ -27,8 +27,6 @@
     "eslint-config-standard-react": "^1.0.4",
     "eslint-plugin-react": "^3.3.1",
     "eslint-plugin-standard": "^1.3.0",
-    "flightjs": "^1.5.1",
-    "flight-with-state": "^6",
     "immutable": "^3.7.5",
     "jasmine-core": "^2.3.4",
     "jquery": "^2.1.4",
@@ -42,14 +40,13 @@
     "karma-webpack": "^1.7.0",
     "mocha": "^2.3.2",
     "object-assign": "^4.0.1",
-    "rx": "^4",
     "semantic-release": "^4.3.5",
     "webpack": "^1.12.1"
   },
   "dependencies": {
-    "flight-with-state": "^6",
+    "flight-with-state": "^7",
     "flightjs": "^1.5.1",
-    "rx": "^4"
+    "rx": ">=2"
   },
   "repository": {
     "type": "git",