diff --git a/README.md b/README.md
index c41c344..ac88561 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@
 ## Fat Jar作成(UNIX系OSやMacの場合)
 
 ```
-$ ./gradlew bootJar
+$ ./gradlew shadowJar
 ```
 
 ## Fat Jarを実行
diff --git a/build.gradle.kts b/build.gradle.kts
index 95c77a9..56f7ed8 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -1,3 +1,5 @@
+import com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar
+
 group = "org.example"
 version = "1.0-SNAPSHOT"
 
@@ -7,6 +9,7 @@
     kotlin("plugin.spring") version "1.3.50"
     id("org.springframework.boot") version "2.1.3.RELEASE"
     id("io.spring.dependency-management") version "1.0.9.RELEASE"
+    id("com.github.johnrengelman.shadow") version "5.0.0"
 }
 
 application {