Update deps

package.json

@@ -67,7 +67,7 @@
     "react-native-share": "^1.1.3",
     "react-native-snackbar": "^0.4.7",
     "react-native-vector-icons": "^6.3.0",
-    "react-navigation": "^2.9.3",
+    "react-navigation": "^2.18.3",
     "react-redux": "^5.0.7",
     "redux": "^4.0.0",
     "redux-saga": "^0.16.0"

yarn.lock

@@ -6974,7 +6974,7 @@ react-navigation-tabs@0.8.4:
     react-lifecycles-compat "^3.0.4"
     react-native-tab-view "^1.0.0"
 
-react-navigation@^2.9.3:
+react-navigation@^2.18.3:
   version "2.18.3"
   resolved "https://registry.yarnpkg.com/react-navigation/-/react-navigation-2.18.3.tgz#de9a24dc37dfc33f3e4779a9f13f45ea97dfe19e"
   integrity sha512-/5KGMG1Oj5LN/x/7AKF0MWrpX9Qe29307RxEsMCiRT/A4jCYT0DPY99Bl7ZAGtROxExEy3rwTfTrtvpIT+CU7A==