diff --git a/ok2curl/build.gradle b/ok2curl/build.gradle
index 0fceb49..4c4fba3 100644
--- a/ok2curl/build.gradle
+++ b/ok2curl/build.gradle
@@ -6,7 +6,7 @@ version='0.1.0'
 
 android {
     compileSdkVersion 23
-    buildToolsVersion "23.0.2"
+    buildToolsVersion "23.0.1"
 
     defaultConfig {
         minSdkVersion 14
diff --git a/sample/build.gradle b/sample/build.gradle
index 709bc65..c43f4c9 100644
--- a/sample/build.gradle
+++ b/sample/build.gradle
@@ -2,7 +2,7 @@ apply plugin: 'com.android.application'
 
 android {
     compileSdkVersion 23
-    buildToolsVersion "23.0.2"
+    buildToolsVersion "23.0.1"
 
     defaultConfig {
         applicationId "com.moczul.sample"