diff --git a/build.gradle b/build.gradle
index 21ec97c..56d0b06 100644
--- a/build.gradle
+++ b/build.gradle
@@ -3,7 +3,7 @@ plugins {
     id 'java-library'
     id 'maven-publish'
     id "io.freefair.lombok" version "6.6.3"
-    id 'com.github.johnrengelman.shadow' version '7.1.2'
+    id 'com.github.johnrengelman.shadow' version '8.1.1'
 }
 
 group 'page.nafuchoco'