diff --git a/Cartfile b/Cartfile
index 9f2795c5..f8df1dcc 100644
--- a/Cartfile
+++ b/Cartfile
@@ -1 +1 @@
-github "ReactiveX/RxSwift" ~> 3.0.0
+github "ReactiveX/RxSwift" ~> 3.3.0
diff --git a/Cartfile.resolved b/Cartfile.resolved
index 9a356e4c..9442038e 100644
--- a/Cartfile.resolved
+++ b/Cartfile.resolved
@@ -1,3 +1,3 @@
 github "Quick/Nimble" "v5.1.1"
 github "Quick/Quick" "v1.0.0"
-github "ReactiveX/RxSwift" "3.1.0"
+github "ReactiveX/RxSwift" "3.3.0"
diff --git a/Carthage/Checkouts/RxSwift b/Carthage/Checkouts/RxSwift
index b98fae65..84358af1 160000
--- a/Carthage/Checkouts/RxSwift
+++ b/Carthage/Checkouts/RxSwift
@@ -1 +1 @@
-Subproject commit b98fae65fbec38efe085002515b425e3e0a3b45a
+Subproject commit 84358af11882cfd2227e03b3648d1400eed08623
diff --git a/Package.swift b/Package.swift
index e961f84c..63699a0d 100644
--- a/Package.swift
+++ b/Package.swift
@@ -4,7 +4,7 @@ let package = Package(
     name: "Action",
     targets: [],
     dependencies: [
-        .Package(url: "https://github.com/ReactiveX/RxSwift.git", majorVersion: 3)
+        .Package(url: "https://github.com/ReactiveX/RxSwift.git", majorVersion: 3, minor: 3)
     ]
 )
 
diff --git a/Readme.md b/Readme.md
index b840d530..959a1558 100644
--- a/Readme.md
+++ b/Readme.md
@@ -100,9 +100,11 @@ Then run `pod install` and that'll be 👌
 Add this to `Cartfile`
 
 ```
-github "RxSwiftCommunity/Action" ~> 2.1.1
+github "RxSwiftCommunity/Action" ~> 2.3.0
 ```
 
+If you are using RxSwift 3.2.0 or below, Use Action `~2.2.0` instead!
+
 then run
 
 ```