diff --git a/data/build.gradle b/data/build.gradle
index fd8fda4..fe8d627 100644
--- a/data/build.gradle
+++ b/data/build.gradle
@@ -2,7 +2,7 @@ apply plugin: 'com.android.library'
 
 android {
   compileSdkVersion 19
-  buildToolsVersion '21.1'
+  buildToolsVersion '21.0.2'
 
   defaultConfig {
     minSdkVersion 15
diff --git a/presentation/build.gradle b/presentation/build.gradle
index ab94480..7d2b0e2 100644
--- a/presentation/build.gradle
+++ b/presentation/build.gradle
@@ -2,7 +2,7 @@ apply plugin: 'com.android.application'
 
 android {
   compileSdkVersion 19
-  buildToolsVersion '21.1'
+  buildToolsVersion '21.0.2'
 
   defaultConfig {
     applicationId "com.fernandocejas.android10.sample.presentation"