diff --git a/build.gradle b/build.gradle
index 51f107d..140e309 100644
--- a/build.gradle
+++ b/build.gradle
@@ -2,7 +2,7 @@ import org.apache.tools.ant.filters.ReplaceTokens
 
 plugins {
     id 'java'
-    id 'com.github.johnrengelman.shadow' version '6.1.0'
+    id 'com.github.johnrengelman.shadow' version '7.0.0'
 }
 
 group = 'pagen.nafuchoco'