diff --git a/app/build.gradle b/app/build.gradle
index 8a0ad49d..4c4fa9cf 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -8,13 +8,13 @@ def keystoreProperties = new Properties()
 keystoreProperties.load(new FileInputStream(keystorePropertiesFile))
 
 android {
-    compileSdkVersion 29
-    buildToolsVersion "29.0.2"
+    compileSdkVersion 28
+    buildToolsVersion "28.0.3"
 
     defaultConfig {
         applicationId "com.simplemobiletools.contacts.pro"
         minSdkVersion 21
-        targetSdkVersion 29
+        targetSdkVersion 28
         versionCode 52
         versionName "6.4.4"
         setProperty("archivesBaseName", "contacts")