diff --git a/kotlin.json b/kotlin.json
index c28f25c69c..8d99f4a75c 100644
--- a/kotlin.json
+++ b/kotlin.json
@@ -1,9 +1,9 @@
 {
     "homepage": "https://kotlinlang.org/",
-    "version": "1.2.21",
+    "version": "1.2.30",
     "license": "Apache 2.0",
-    "url": "https://github.com/JetBrains/kotlin/releases/download/v1.2.21/kotlin-compiler-1.2.21.zip",
-    "hash": "c5f2cbd35daa6c5c394e92e6c06b8eb41d85ad8da64762733874166b6807af22",
+    "url": "https://github.com/JetBrains/kotlin/releases/download/v1.2.30/kotlin-compiler-1.2.30.zip",
+    "hash": "4d6965877301d44241ca6de36480140992dc8a6b1c1884baeb5239ce2c43e071",
     "extract_dir": "kotlinc",
     "bin": [
         "bin\\kotlin.bat",