diff --git a/app/build.gradle b/app/build.gradle
index 7ffdc50d1..5ee4935e5 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -4,7 +4,7 @@ apply plugin: 'kotlin-android-extensions'
 
 android {
     compileSdkVersion 25
-    buildToolsVersion "25.0.2"
+    buildToolsVersion "25.0.3"
 
     defaultConfig {
         applicationId "com.simplemobiletools.calendar"