diff --git a/build.gradle.kts b/build.gradle.kts
index 52c6d22..455a0cc 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -1,3 +1,5 @@
+import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
+
 val ktor_version: String by project
 val kotlin_version: String by project
 val logback_version: String by project
@@ -7,6 +9,7 @@ plugins {
     kotlin("jvm") version "1.8.22"
     id("io.ktor.plugin") version "2.3.1"
     id("org.jetbrains.kotlin.plugin.serialization") version "1.8.22"
+    id("com.github.johnrengelman.shadow") version "7.1.2"
 }
 
 group = "com.ray650128.pcredive"
@@ -35,4 +38,18 @@ dependencies {
     implementation("org.litote.kmongo:kmongo:$kmongo_version")
     implementation("org.litote.kmongo:kmongo-id-serialization:$kmongo_version")
     implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:1.1.0")
-}
\ No newline at end of file
+}
+
+tasks.withType<KotlinCompile> {
+    kotlinOptions.jvmTarget = "1.8"
+}
+
+tasks.jar {
+    manifest {
+        attributes["Main-Class"] = "com.ray650128.bot.MainKt"
+    }
+}
+
+tasks.build {
+    dependsOn(tasks.shadowJar)
+}