diff --git a/android/build.gradle b/android/build.gradle
index 7f9022f..4899a6a 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -6,12 +6,12 @@ def safeExtGet(prop, fallback) {
 }
 
 android {
-    compileSdkVersion 28
-    buildToolsVersion '28.0.3'
+    compileSdkVersion 33
+    buildToolsVersion '33.0.0'
 
     defaultConfig {
-        minSdkVersion 16
-        targetSdkVersion 28
+        minSdkVersion 21
+        targetSdkVersion 33
         versionCode 1
         versionName "1.0"
     }