diff --git a/NLiteAVDemo-Android-Java/build.gradle b/NLiteAVDemo-Android-Java/build.gradle
index 23521ce..179a664 100644
--- a/NLiteAVDemo-Android-Java/build.gradle
+++ b/NLiteAVDemo-Android-Java/build.gradle
@@ -27,10 +27,10 @@ task clean(type: Delete) {
 }
 
 ext {
-    compileSdkVersion = 34
-    buildToolsVersion = "34.0.0"
+    compileSdkVersion = 31
+    buildToolsVersion = "30.0.0"
     minSdkVersion = 21
-    targetSdkVersion = 34
+    targetSdkVersion = 30
 
     ndkAbis = [
             'armeabi-v7a',