diff --git a/build.gradle b/build.gradle
index d47b748..f63ba12 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,7 +1,7 @@
 ext {
     _compileSdkVersion = 30 /* Android 11 (R) */
     _targetSdkVersion = 30 /* Android 11 (R) */
-    objectboxVersion = '3.8.0'
+    objectboxVersion = '4.2.0'
 }
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 buildscript {