diff --git a/bootstrap/build.gradle b/bootstrap/build.gradle
index 7d712290..d2812fe0 100644
--- a/bootstrap/build.gradle
+++ b/bootstrap/build.gradle
@@ -11,6 +11,6 @@ jar { manifest { attributes('Main-Class': 'insulator.BootstrapKt') } }
 application { mainClassName ='insulator.BootstrapKt' }
 
 dependencies {
-    implementation(group: 'org.update4j', name: 'update4j', version: "1.5.6")
+    implementation(group: 'org.update4j', name: 'update4j', version: "1.5.7")
     implementation(group: 'org.jetbrains.kotlin', name: 'kotlin-reflect', version: '1.4.21')
 }
\ No newline at end of file