diff --git a/build.gradle.kts b/build.gradle.kts
index 4de00c7..66262ea 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -2,7 +2,7 @@ plugins {
     java
     `java-library`
     `maven-publish`
-    id("com.github.johnrengelman.shadow") version "7.1.2"
+    id("com.github.johnrengelman.shadow") version "8.1.1"
 }
 
 group = "net.azisaba.ballotbox"