diff --git a/README.md b/README.md
index ac88561..c41c344 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@
 ## Fat Jar作成(UNIX系OSやMacの場合)
 
 ```
-$ ./gradlew shadowJar
+$ ./gradlew bootJar
 ```
 
 ## Fat Jarを実行
diff --git a/build.gradle.kts b/build.gradle.kts
index 56f7ed8..95c77a9 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -1,5 +1,3 @@
-import com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar
-
 group = "org.example"
 version = "1.0-SNAPSHOT"
 
@@ -9,7 +7,6 @@
     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 {