diff --git a/Carthage/Checkouts/RxSwift b/Carthage/Checkouts/RxSwift
index cce95dd..97e1435 160000
--- a/Carthage/Checkouts/RxSwift
+++ b/Carthage/Checkouts/RxSwift
@@ -1 +1 @@
-Subproject commit cce95dd704bc08cd3d69c087a05a6fc3118e2722
+Subproject commit 97e14358a3e6564de8a6289362385a92d85936e1
diff --git a/Pod/Classes/GestureRecognizer+RxGesture.swift b/Pod/Classes/GestureRecognizer+RxGesture.swift
index 0228a50..ae274c8 100644
--- a/Pod/Classes/GestureRecognizer+RxGesture.swift
+++ b/Pod/Classes/GestureRecognizer+RxGesture.swift
@@ -21,7 +21,7 @@
 import RxSwift
 import RxCocoa
 
-extension ObservableType where E: GestureRecognizer {
+extension ObservableType where Element: GestureRecognizer {
 
     /**
      Filters the observable `GestureRecognizer` events sequence based on the `GestureRecognizer` state.
@@ -29,7 +29,7 @@ extension ObservableType where E: GestureRecognizer {
      - parameter state: An `GestureRecognizerState` that is used to filter the `GestureRecognizer` events sequence.
      - returns: An observable `GestureRecognizer` events sequence that only contains events emitted while the `GestureRecognizer`'s state match the given `state`.
      */
-    public func when(_ states: GestureRecognizerState...) -> Observable<E> {
+    public func when(_ states: GestureRecognizerState...) -> Observable<Element> {
         return filter { gesture in
             return states.contains(gesture.state)
         }
@@ -41,7 +41,7 @@ extension ObservableType where E: GestureRecognizer {
      - parameter state: An `GestureRecognizerState` that is used to filter the `GestureRecognizer` events sequence.
      - returns: An observable `GestureRecognizer` events sequence that only contains events emitted while the `GestureRecognizer`'s state match the given `state`.
      */
-    internal func when(_ states: [GestureRecognizerState]) -> Observable<E> {
+    internal func when(_ states: [GestureRecognizerState]) -> Observable<Element> {
         return filter { gesture in
             return states.contains(gesture.state)
         }
diff --git a/Pod/Classes/View+RxGesture.swift b/Pod/Classes/View+RxGesture.swift
index f6c231b..4ab57db 100644
--- a/Pod/Classes/View+RxGesture.swift
+++ b/Pod/Classes/View+RxGesture.swift
@@ -102,7 +102,7 @@ extension Reactive where Base: View {
                     guard let gesture = gesture else { return }
                     control?.removeGestureRecognizer(gesture)
                 })
-                .takeUntil(control.rx.deallocated)
+                .take(until: control.rx.deallocated)
         }
 
         return ControlEvent(events: source)
diff --git a/Pod/Classes/iOS/ForceTouchGestureRecognizer.swift b/Pod/Classes/iOS/ForceTouchGestureRecognizer.swift
index c247903..da827f3 100644
--- a/Pod/Classes/iOS/ForceTouchGestureRecognizer.swift
+++ b/Pod/Classes/iOS/ForceTouchGestureRecognizer.swift
@@ -82,7 +82,7 @@ extension Reactive where Base: View {
 }
 
 @available(iOS 9.0, *)
-extension ObservableType where E: ForceTouchGestureRecognizer {
+extension ObservableType where Element: ForceTouchGestureRecognizer {
 
     /**
      Maps the observable `GestureRecognizer` events sequence to an observable sequence of force values.
diff --git a/Pod/Classes/iOS/TouchDownGestureRecognizer.swift b/Pod/Classes/iOS/TouchDownGestureRecognizer.swift
index 43bc881..748f4e1 100644
--- a/Pod/Classes/iOS/TouchDownGestureRecognizer.swift
+++ b/Pod/Classes/iOS/TouchDownGestureRecognizer.swift
@@ -79,7 +79,7 @@ extension Reactive where Base: View {
     }
 }
 
-extension ObservableType where E: TouchDownGestureRecognizer {
+extension ObservableType where Element: TouchDownGestureRecognizer {
 
     /**
      Maps the observable `GestureRecognizer` events sequence to an observable sequence of force values.
diff --git a/Pod/Classes/iOS/TransformGestureRecognizers.swift b/Pod/Classes/iOS/TransformGestureRecognizers.swift
index cdbed6d..4898445 100644
--- a/Pod/Classes/iOS/TransformGestureRecognizers.swift
+++ b/Pod/Classes/iOS/TransformGestureRecognizers.swift
@@ -55,9 +55,9 @@ extension Reactive where Base: View {
     }
 }
 
-extension ObservableType where E == TransformGestureRecognizers {
+extension ObservableType where Element == TransformGestureRecognizers {
 
-    public func when(_ states: GestureRecognizerState...) -> Observable<E> {
+    public func when(_ states: GestureRecognizerState...) -> Observable<Element> {
         return filter { gestures in
             return states.contains(gestures.panGesture.state)
                 || states.contains(gestures.rotationGesture.state)
diff --git a/Pod/Classes/iOS/UIPanGestureRecognizer+RxGesture.swift b/Pod/Classes/iOS/UIPanGestureRecognizer+RxGesture.swift
index 957f8ce..1ea273b 100644
--- a/Pod/Classes/iOS/UIPanGestureRecognizer+RxGesture.swift
+++ b/Pod/Classes/iOS/UIPanGestureRecognizer+RxGesture.swift
@@ -48,7 +48,7 @@ extension Reactive where Base: View {
     }
 }
 
-extension ObservableType where E: UIPanGestureRecognizer {
+extension ObservableType where Element: UIPanGestureRecognizer {
 
     /**
      Maps the observable `GestureRecognizer` events sequence to an observable sequence of translation values of the pan gesture in the coordinate system of the specified `view` alongside the gesture velocity.
diff --git a/Pod/Classes/iOS/UIPinchGestureRecognizer+RxGesture.swift b/Pod/Classes/iOS/UIPinchGestureRecognizer+RxGesture.swift
index 946d1dd..6e58d59 100644
--- a/Pod/Classes/iOS/UIPinchGestureRecognizer+RxGesture.swift
+++ b/Pod/Classes/iOS/UIPinchGestureRecognizer+RxGesture.swift
@@ -48,7 +48,7 @@ extension Reactive where Base: View {
     }
 }
 
-extension ObservableType where E: UIPinchGestureRecognizer {
+extension ObservableType where Element: UIPinchGestureRecognizer {
 
     /**
      Maps the observable `GestureRecognizer` events sequence to an observable sequence of scale factors relative to the points of the two touches in screen coordinates alongside the gesture velocity.
diff --git a/Pod/Classes/iOS/UIRotationGestureRecognizer+RxGesture.swift b/Pod/Classes/iOS/UIRotationGestureRecognizer+RxGesture.swift
index 25f7aa9..3c60020 100644
--- a/Pod/Classes/iOS/UIRotationGestureRecognizer+RxGesture.swift
+++ b/Pod/Classes/iOS/UIRotationGestureRecognizer+RxGesture.swift
@@ -48,7 +48,7 @@ extension Reactive where Base: View {
     }
 }
 
-extension ObservableType where E: UIRotationGestureRecognizer {
+extension ObservableType where Element: UIRotationGestureRecognizer {
 
     /**
      Maps the observable `GestureRecognizer` events sequence to an observable sequence of rotation values of the gesture in radians alongside the gesture velocity.
diff --git a/RxGesture/RxGesture.xcodeproj/project.pbxproj b/RxGesture/RxGesture.xcodeproj/project.pbxproj
index 48345af..7f87b75 100644
--- a/RxGesture/RxGesture.xcodeproj/project.pbxproj
+++ b/RxGesture/RxGesture.xcodeproj/project.pbxproj
@@ -335,6 +335,7 @@
 			developmentRegion = English;
 			hasScannedForEncodings = 0;
 			knownRegions = (
+				English,
 				en,
 			);
 			mainGroup = F4CC4C131DEBA895009ED835;
@@ -600,7 +601,7 @@
 				SDKROOT = iphoneos;
 				SWIFT_ACTIVE_COMPILATION_CONDITIONS = DEBUG;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
-				SWIFT_VERSION = 4.2;
+				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				VERSIONING_SYSTEM = "apple-generic";
 				VERSION_INFO_PREFIX = "";
@@ -655,7 +656,7 @@
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
-				SWIFT_VERSION = 4.2;
+				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				VALIDATE_PRODUCT = YES;
 				VERSIONING_SYSTEM = "apple-generic";