diff --git a/android/BOINC/app/build.gradle b/android/BOINC/app/build.gradle
index 95b4251415..aefb073d95 100644
--- a/android/BOINC/app/build.gradle
+++ b/android/BOINC/app/build.gradle
@@ -48,13 +48,13 @@ def buildVersionName() {
 }
 
 android {
-    compileSdkVersion 29
-    buildToolsVersion '29.0.3'
+    compileSdkVersion 28
+    buildToolsVersion '28.0.3'
 
     defaultConfig {
         applicationId "edu.berkeley.boinc"
         minSdkVersion 19
-        targetSdkVersion 29
+        targetSdkVersion 28
         versionCode buildVersionCode().toInteger()
         versionName buildVersionName()
     }