diff --git a/gradle.properties b/gradle.properties
index 4683693..b4f9f09 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -6,6 +6,6 @@ mc_version = 1.12.2
 mcp_mappings = snapshot_20171130
 forge_version = 14.23.1.2556
 
-kotlin_version = 1.2.0
+kotlin_version = 1.2.30
 annotations_version = 15.0
 coroutines_version = 0.19.2