set buildToolsVersion to "25.0.0"

build.gradle

@@ -59,7 +59,7 @@ android {
     }
 
     compileSdkVersion 25
-    buildToolsVersion "25.0.2"
+    buildToolsVersion "25.0.0"
 
     defaultConfig {
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
@@ -203,7 +203,7 @@ dependencies {
     androidTestCompile 'com.android.support.test:runner:0.5'
 
     // Android Annotation Support
-    androidTestCompile "com.android.support:support-annotations:25.2.0"
+    androidTestCompile "com.android.support:support-annotations:${supportLibraryVersion}"
 
     // Espresso core
     androidTestCompile 'com.android.support.test.espresso:espresso-core:2.2.2'