diff --git a/packages/firebase_remote_config/CHANGELOG.md b/packages/firebase_remote_config/CHANGELOG.md
index bdc6d78948a5..cfd95515c607 100644
--- a/packages/firebase_remote_config/CHANGELOG.md
+++ b/packages/firebase_remote_config/CHANGELOG.md
@@ -1,3 +1,8 @@
+## 0.2.0+6
+
+* Fix `Bad state: Future already completed` error when initially 
+  calling `RemoteConfig.instance` multiple times in parallel.
+
 ## 0.2.0+5
 
 * Update google-services Android gradle plugin to 4.3.0 in documentation and examples.
diff --git a/packages/firebase_remote_config/lib/src/remote_config.dart b/packages/firebase_remote_config/lib/src/remote_config.dart
index 8358556c6818..94961086bea1 100644
--- a/packages/firebase_remote_config/lib/src/remote_config.dart
+++ b/packages/firebase_remote_config/lib/src/remote_config.dart
@@ -49,7 +49,9 @@ class RemoteConfig extends ChangeNotifier {
     instance._remoteConfigSettings = remoteConfigSettings;
     instance._parameters =
         _parseRemoteConfigParameters(parameters: properties['parameters']);
-    _instanceCompleter.complete(instance);
+    if (!_instanceCompleter.isCompleted) {
+      _instanceCompleter.complete(instance);
+    }
   }
 
   static Map<String, RemoteConfigValue> _parseRemoteConfigParameters(
diff --git a/packages/firebase_remote_config/pubspec.yaml b/packages/firebase_remote_config/pubspec.yaml
index 5875219ecc3d..7d68a47dc8d3 100644
--- a/packages/firebase_remote_config/pubspec.yaml
+++ b/packages/firebase_remote_config/pubspec.yaml
@@ -3,7 +3,7 @@ description: Flutter plugin for Firebase Remote Config. Update your application
   re-releasing.
 author: Flutter Team <flutter-dev@googlegroups.com>
 homepage: https://github.com/flutter/plugins/tree/master/packages/firebase_remote_config
-version: 0.2.0+5
+version: 0.2.0+6
 
 dependencies:
   flutter: