diff --git a/bucket/kotlin.json b/bucket/kotlin.json
index a604033158..a4358373c6 100644
--- a/bucket/kotlin.json
+++ b/bucket/kotlin.json
@@ -1,5 +1,5 @@
 {
-    "version": "1.5.10",
+    "version": "1.5.20",
     "description": "A cross-platform, statically typed, general-purpose programming language with type inference.",
     "homepage": "https://kotlinlang.org/",
     "license": "Apache-2.0",
@@ -9,8 +9,8 @@
             "java/openjdk"
         ]
     },
-    "url": "https://github.com/JetBrains/kotlin/releases/download/v1.5.10/kotlin-compiler-1.5.10.zip",
-    "hash": "2f8de1d73b816354055ff6a4b974b711c11ad55a68b948ed30b38155706b3c4e",
+    "url": "https://github.com/JetBrains/kotlin/releases/download/v1.5.20/kotlin-compiler-1.5.20.zip",
+    "hash": "edf34263ddaabd48f7ec59661e4c0d1dc868462fd3a1ea323083d0e3e83a8a8b",
     "extract_dir": "kotlinc",
     "bin": [
         "bin\\kotlin.bat",