diff --git a/app/build.gradle b/app/build.gradle
index 307d875..a8006e5 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -2,7 +2,7 @@ apply plugin: 'com.android.application'
 
 android {
     compileSdkVersion 30
-    buildToolsVersion "29.0.3"
+    buildToolsVersion "30.0.2"
     defaultConfig {
         applicationId "org.grapheneos.pdfviewer"
         minSdkVersion 24