diff --git a/bucket/kotlin-native.json b/bucket/kotlin-native.json
index 41ee0a11d9..788cc2034a 100644
--- a/bucket/kotlin-native.json
+++ b/bucket/kotlin-native.json
@@ -1,5 +1,5 @@
 {
-    "version": "1.6.20",
+    "version": "1.6.21",
     "description": "An LLVM backend for the Kotlin compiler, runtime implementation, and native code generation facility using the LLVM toolchain for native binaries runnable without a virtual machine.",
     "homepage": "https://kotlinlang.org",
     "license": "Apache-2.0",
@@ -9,9 +9,9 @@
     },
     "architecture": {
         "64bit": {
-            "url": "https://github.com/JetBrains/kotlin/releases/download/v1.6.20/kotlin-native-windows-x86_64-1.6.20.zip",
-            "hash": "376f5d66e4746f47987551d540d5bc956ed6e5f49faadd028c9dfd12cf7ccf63",
-            "extract_dir": "kotlin-native-windows-x86_64-1.6.20"
+            "url": "https://github.com/JetBrains/kotlin/releases/download/v1.6.21/kotlin-native-windows-x86_64-1.6.21.zip",
+            "hash": "ac520bf2f66197fec1ff6c666432cb908bf49e39b9266dd6979fa6e2c0294206",
+            "extract_dir": "kotlin-native-windows-x86_64-1.6.21"
         }
     },
     "bin": [