diff --git a/build-logic/src/main/kotlin/io/github/droidkaigi/confsched2023/primitive/AndroidGradleDsl.kt b/build-logic/src/main/kotlin/io/github/droidkaigi/confsched2023/primitive/AndroidGradleDsl.kt
index 986a480fa..b1d793fa3 100644
--- a/build-logic/src/main/kotlin/io/github/droidkaigi/confsched2023/primitive/AndroidGradleDsl.kt
+++ b/build-logic/src/main/kotlin/io/github/droidkaigi/confsched2023/primitive/AndroidGradleDsl.kt
@@ -73,7 +73,7 @@ fun Project.setupDetekt(extension: DetektExtension) {
         // parallel processing
         parallel = true
         // detekt configuration file
-        config = files("${project.rootDir}/config/detekt/detekt.yml")
+        config.setFrom("${project.rootDir}/config/detekt/detekt.yml")
         // baseline configuration file
         baseline = file("${project.rootDir}/config/detekt/baseline.xml")
         // apply your own configuration file on top of the default settings