diff --git a/extensions/cast/build.gradle b/extensions/cast/build.gradle
index 11b5b2eeb3..d11f166c89 100644
--- a/extensions/cast/build.gradle
+++ b/extensions/cast/build.gradle
@@ -38,7 +38,7 @@ dependencies {
     compile 'com.google.android.gms:play-services-cast-framework:' + playServicesLibraryVersion
     compile project(modulePrefix + 'library-core')
     compile project(modulePrefix + 'library-ui')
-    compile project(modulePrefix + 'testutils')
+    testCompile project(modulePrefix + 'testutils')
     testCompile 'junit:junit:' + junitVersion
     testCompile 'org.mockito:mockito-core:' + mockitoVersion
     testCompile 'org.robolectric:robolectric:' + robolectricVersion