diff --git a/build.gradle b/build.gradle
index 8d198a7d..be51427d 100644
--- a/build.gradle
+++ b/build.gradle
@@ -108,7 +108,7 @@ dependencies {
     compile 'com.android.support:support-v4:22.2.1'
     compile 'com.android.support:appcompat-v7:22.2.1'
     compile 'com.android.support:mediarouter-v7:22.2.1'
-    compile 'com.google.android.gms:play-services-cast:8.3.0'
+    compile 'com.google.android.gms:play-services-cast:21.0.1'
 
     testCompile 'org.apache.maven:maven-ant-tasks:2.1.3'
     testCompile 'junit:junit:4.12'