diff --git a/bucket/kotlin.json b/bucket/kotlin.json
index d0addc0d8b..99516a08fc 100644
--- a/bucket/kotlin.json
+++ b/bucket/kotlin.json
@@ -1,10 +1,10 @@
 {
     "homepage": "https://kotlinlang.org/",
     "description": "A cross-platform, statically typed, general-purpose programming language with type inference.",
-    "version": "1.3.61",
+    "version": "1.3.70",
     "license": "Apache-2.0",
-    "url": "https://github.com/JetBrains/kotlin/releases/download/v1.3.61/kotlin-compiler-1.3.61.zip",
-    "hash": "3901151ad5d94798a268d1771c6c0b7e305a608c2889fc98a674802500597b1c",
+    "url": "https://github.com/JetBrains/kotlin/releases/download/v1.3.70/kotlin-compiler-1.3.70.zip",
+    "hash": "709d782ff707a633278bac4c63bab3026b768e717f8aaf62de1036c994bc89c7",
     "extract_dir": "kotlinc",
     "bin": [
         "bin\\kotlin.bat",