diff --git a/src/main/kotlin/com/github/jengelman/gradle/plugins/shadow/ShadowApplicationPlugin.kt b/src/main/kotlin/com/github/jengelman/gradle/plugins/shadow/ShadowApplicationPlugin.kt
index 554bf127e..a8941bf87 100644
--- a/src/main/kotlin/com/github/jengelman/gradle/plugins/shadow/ShadowApplicationPlugin.kt
+++ b/src/main/kotlin/com/github/jengelman/gradle/plugins/shadow/ShadowApplicationPlugin.kt
@@ -77,6 +77,7 @@ public abstract class ShadowApplicationPlugin : Plugin<Project> {
         project.resources.text.fromString(windowsStartScript)
 
       task.classpath = project.files(shadowJar)
+      task.inputs.files(project.files(shadowJar))
       task.mainClass.set(javaApplication.mainClass)
       task.conventionMapping.map("applicationName", javaApplication::getApplicationName)
       task.conventionMapping.map("outputDir") { project.layout.buildDirectory.dir("scriptsShadow").get().asFile }