diff --git a/app/build.gradle b/app/build.gradle
index f594509..1e76460 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -4,7 +4,7 @@ plugins {
 
 android {
     compileSdkVersion 31
-    buildToolsVersion "30.0.3"
+    buildToolsVersion "31.0.0"
     defaultConfig {
         applicationId "org.grapheneos.pdfviewer"
         minSdkVersion 26