diff --git a/pubspec.yaml b/pubspec.yaml
index 110b497..54e6ebe 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -5,6 +5,9 @@ homepage: https://github.com/evrone/flutter_audio
 
 environment:
   sdk: ">=2.1.0 <3.0.0"
+  # Flutter versions prior to 1.12 did not support the
+  # flutter.plugin.platforms map.
+  flutter: ">=1.12.0"
 
 dependencies:
   flutter:
@@ -24,8 +27,12 @@ flutter:
   # be modified. They are used by the tooling to maintain consistency when
   # adding or updating assets for this project.
   plugin:
-    androidPackage: co.medcorder.medcorderaudio
-    pluginClass: MedcorderAudioPlugin
+    platforms:
+      android:
+        package: co.medcorder.medcorderaudio
+        pluginClass: MedcorderAudioPlugin
+      ios:
+        pluginClass: MedcorderAudioPlugin
 
   # To add assets to your plugin package, add an assets section, like this:
   # assets: