diff --git a/2025/01/kotlin_demo1/build.gradle b/2025/01/kotlin_demo1/build.gradle
index 3831f25..a89cee2 100644
--- a/2025/01/kotlin_demo1/build.gradle
+++ b/2025/01/kotlin_demo1/build.gradle
@@ -7,6 +7,10 @@ repositories {
   mavenCentral()
 }
 
+dependencies {
+  implementation 'ch.qos.logback:logback-classic:1.5.16'
+}
+
 idea {
   module {
     downloadJavadoc = true
@@ -22,3 +26,23 @@ tasks.register('runApp', JavaExec) {
   classpath = sourceSets.main.runtimeClasspath
   mainClass = "pl.polgrabia.demos.kotlin.ProgramKt"
 }
+
+tasks.register('fetchSources') {
+  /**
+  def classpath = sourceSets.main.runtimeClasspath
+  classpath.each {
+    println it.class
+  }
+
+  **/
+
+  project.configurations.implementation.allDependencies.each { dep ->
+    // println("${dep.group}:${dep.name}:${dep.version}")
+    dep.class.methods.each {
+      println(it)
+    }
+
+    // TODO implement fetching it from repositories
+  }
+  
+}