diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 99509a7..3c4db69 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -5,9 +5,8 @@ plugins {
 
 tasks.withType<org.jetbrains.dokka.gradle.DokkaTask>().configureEach {
     dokkaSourceSets {
-        configureEach {
+        register("main") {
             sourceRoots.from(file("src/main/java"))
-            sourceRoots.from(file("src/main/kotlin"))
         }
     }
 }