Update cartfile

Marcin Mucha · Marcin Mucha · commit 1f7933b0ce0f · 2017-09-15T11:09:02.000+02:00
diff --git a/Cartfile b/Cartfile
@@ -1 +1 @@
-github "ReactiveX/RxSwift" ~> 3.6.1
+github "ReactiveX/RxSwift" ~> 4.0
diff --git a/Cartfile.resolved b/Cartfile.resolved
@@ -1,3 +1,3 @@
 github "Quick/Nimble" "v7.0.1"
 github "Quick/Quick" "v1.1.0"
-github "ReactiveX/RxSwift" "3.6.1"
+github "ReactiveX/RxSwift" "4.0.0-alpha.1"
diff --git a/Carthage/Checkouts/RxSwift b/Carthage/Checkouts/RxSwift
@@ -1 +1 @@
-Subproject commit 80de9622b9bd1dca409b0e66e3ccc418676e571e
+Subproject commit 16083c30ebb8705124921b6974cc1481f3476184
