1 files changed, 10 insertions, 5 deletions
diff --git a/runners/maven-plugin/build.gradle b/runners/maven-plugin/build.gradle
index a9a77a8b..0e8d6a4d 100644
--- a/runners/maven-plugin/build.gradle
+++ b/runners/maven-plugin/build.gradle
@@ -1,17 +1,22 @@
 import groovy.io.FileType
 import org.jetbrains.CrossPlatformExec
-import shadow.org.apache.commons.io.FileUtils
 
-import java.nio.file.FileVisitResult
 import java.nio.file.Files
-import java.nio.file.Paths
 import java.nio.file.StandardCopyOption
-import java.nio.file.attribute.BasicFileAttributes
-
 
 apply plugin: 'kotlin'
 apply plugin: 'com.github.johnrengelman.shadow'
 
+sourceCompatibility = 1.8
+
+tasks.withType(org.jetbrains.kotlin.gradle.tasks.KotlinCompile).all {
+    kotlinOptions {
+        freeCompilerArgs += "-Xjsr305=strict"
+        languageVersion = "1.2"
+        apiVersion = languageVersion
+        jvmTarget = "1.8"
+    }
+}
 
 dependencies {
     shadow project(":runners:fatjar")