diff --git a/build.gradle b/build.gradle
index 2621213..0e44ead 100644
--- a/build.gradle
+++ b/build.gradle
@@ -67,6 +67,7 @@ repositories {
 
 dependencies {
 	compile group: "org.jetbrains.kotlin", name: "kotlin-stdlib", version: kotlin_version
+	compile group: "org.jetbrains.kotlin", name: "kotlin-stdlib-jre8", version: kotlin_version
 	compile group: "org.jetbrains.kotlin", name: "kotlin-reflect", version: kotlin_version
 	compile group: "org.jetbrains.kotlin", name: "kotlin-runtime", version: kotlin_version
 	compile group: "org.jetbrains", name: "annotations", version: annotations_version
diff --git a/gradle.properties b/gradle.properties
index 8ecb786..13ed069 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -6,6 +6,6 @@ mc_version = 1.10.2
 mcp_mappings = snapshot_20160802
 forge_version = 12.18.1.2045
 
-kotlin_version = 1.1.2
+kotlin_version = 1.1.2-4
 annotations_version = 15.0
 coroutines_version = 0.14.1