diff --git a/packages/connectivity/CHANGELOG.md b/packages/connectivity/CHANGELOG.md
index 17e49e2..0e1ea81 100644
--- a/packages/connectivity/CHANGELOG.md
+++ b/packages/connectivity/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.4.5+6
+
+* Fix singleton Reachability problem on iOS.
+
 ## 0.4.5+5
 
 * Add an analyzer check for the public documentation.
diff --git a/packages/connectivity/ios/Classes/ConnectivityPlugin.m b/packages/connectivity/ios/Classes/ConnectivityPlugin.m
index c698711..100e70b 100644
--- a/packages/connectivity/ios/Classes/ConnectivityPlugin.m
+++ b/packages/connectivity/ios/Classes/ConnectivityPlugin.m
@@ -22,6 +22,7 @@
 
 @implementation FLTConnectivityPlugin {
   FlutterEventSink _eventSink;
+  Reachability* _reachabilityForInternetConnection;
 }
 
 + (void)registerWithRegistrar:(NSObject<FlutterPluginRegistrar>*)registrar {
@@ -174,12 +175,16 @@
                                            selector:@selector(onReachabilityDidChange:)
                                                name:kReachabilityChangedNotification
                                              object:nil];
-  [[Reachability reachabilityForInternetConnection] startNotifier];
+  _reachabilityForInternetConnection = [Reachability reachabilityForInternetConnection];
+  [_reachabilityForInternetConnection startNotifier];
   return nil;
 }
 
 - (FlutterError*)onCancelWithArguments:(id)arguments {
-  [[Reachability reachabilityForInternetConnection] stopNotifier];
+  if (_reachabilityForInternetConnection) {
+    [_reachabilityForInternetConnection stopNotifier];
+    _reachabilityForInternetConnection = nil;
+  }
   [[NSNotificationCenter defaultCenter] removeObserver:self];
   _eventSink = nil;
   return nil;
diff --git a/packages/connectivity/pubspec.yaml b/packages/connectivity/pubspec.yaml
index c68109d..8dce3c8 100644
--- a/packages/connectivity/pubspec.yaml
+++ b/packages/connectivity/pubspec.yaml
@@ -3,7 +3,7 @@
   mobile/cellular) connectivity on Android and iOS.
 author: Flutter Team <flutter-dev@googlegroups.com>
 homepage: https://github.com/flutter/plugins/tree/master/packages/connectivity
-version: 0.4.5+5
+version: 0.4.5+6
 
 flutter:
   plugin: