diff --git a/README.md b/README.md
index 68c9fe5..e0c4779 100644
--- a/README.md
+++ b/README.md
@@ -5,14 +5,18 @@ The plugin supports non-root packages in line with the recommended [Kotlin direc
 which was missing in many other plugins for the Kotlin ecosystem. 
 
 ## Usage
-Apply the plugin with the ID: `com.github.nbaztec.coveralls-jacoco-kotlin`
 
+[Gradle Plugin page](https://plugins.gradle.org/plugin/com.github.nbaztec.coveralls-jacoco-kotlin)
+
+Apply the plugin with the ID: `com.github.nbaztec.coveralls-jacoco-kotlin`
 This will add a gradle task `coverallsJacoco` that can be used to publish coverage report via `./gradlew test coverallsJacoco`
 
 ## Options
 ```kotlin
 coverallsJacoco {
-    rootPackage = 'com.github.nbaztec.foo' // optional, leave out if project has java directory structure  
     reportPath = 'build/reports/jacoco/test/jacocoTestReport.xml'
+    rootPackage = 'com.github.nbaztec.foo' // optional, leave out if project has java directory structure  
+    additionalSourceSets = [ sourceSets.foo, sourceSets.bar ] // optional, sourceSet.main is always included
+    apiEndpoint = "https://coveralls.io/api/v1/jobs" // optional
 }
 ```
\ No newline at end of file
diff --git a/build.gradle.kts b/build.gradle.kts
index 8f141da..62d0e98 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -1,5 +1,5 @@
 group = "com.github.nbaztec"
-version = "1.0.2"
+version = "1.0.3"
 
 repositories {
     mavenCentral()
diff --git a/src/main/kotlin/CoverallsJacocoPlugin.kt b/src/main/kotlin/CoverallsJacocoPlugin.kt
index 7a45077..f43c947 100644
--- a/src/main/kotlin/CoverallsJacocoPlugin.kt
+++ b/src/main/kotlin/CoverallsJacocoPlugin.kt
@@ -2,11 +2,13 @@ package org.gradle.plugin.coveralls.jacoco
 
 import org.gradle.api.Plugin
 import org.gradle.api.Project
+import org.gradle.api.tasks.SourceSet
 
 open class CoverallsJacocoPluginExtension {
     var rootPackage: String? = null
     var reportPath = "build/reports/jacoco/test/jacocoTestReport.xml"
     var apiEndpoint = "https://coveralls.io/api/v1/jobs"
+    var additionalSourceSets = emptyList<SourceSet>()
 }
 
 class CoverallsJacocoPlugin : Plugin<Project> {
diff --git a/src/main/kotlin/SourceReportParser.kt b/src/main/kotlin/SourceReportParser.kt
index d4420fa..99c12b9 100644
--- a/src/main/kotlin/SourceReportParser.kt
+++ b/src/main/kotlin/SourceReportParser.kt
@@ -62,16 +62,15 @@ class SourceReportParser {
             val pluginExtension = project.extensions.getByName("coverallsJacoco") as CoverallsJacocoPluginExtension
             val kotlinExtension = project.extensions.getByName("kotlin") as KotlinProjectExtension
 
-            val sourceDirs = kotlinExtension.sourceSets.getByName("main").kotlin.srcDirs.filterNotNull()
+            val sourceSets = listOf(kotlinExtension.sourceSets.getByName("main").kotlin) +
+                    pluginExtension.additionalSourceSets.map { it.allJava }
+            val sourceDirs = sourceSets.flatMap { it.srcDirs }.filterNotNull()
 
+            logger.debug("using source directories: $sourceDirs")
             return read(pluginExtension.reportPath, pluginExtension.rootPackage)
                     .mapNotNull { (filename, cov) ->
                         sourceDirs.find {
-                            File(it, filename).let { f ->
-                                f.exists().also { exists ->
-                                    if (!exists) logger.debug("${f.absolutePath} does not exist, skipping")
-                                }
-                            }
+                            File(it, filename).exists()
                         }?.let { dir ->
                             val f = File(dir, filename)
                             val lines = f.readLines()
@@ -81,6 +80,8 @@ class SourceReportParser {
 
                             val relPath = File(project.projectDir.absolutePath).toURI().relativize(f.toURI()).toString()
                             SourceReport(relPath, f.md5(), lineHits.toList())
+                        }.also {
+                            it ?: logger.info("$filename could not be found in any of the source directories, skipping")
                         }
                     }
         }