diff --git a/bucket/upx.json b/bucket/upx.json
index a927fcd20a..72dd6a3cb7 100644
--- a/bucket/upx.json
+++ b/bucket/upx.json
@@ -1,18 +1,18 @@
 {
-    "version": "4.2.2",
+    "version": "4.2.3",
     "description": "UPX is a free, portable, extendable, high-performance executable packer for several executable formats",
     "homepage": "https://upx.github.io/",
     "license": "GPL-2.0-or-later",
     "architecture": {
         "64bit": {
-            "url": "https://github.com/upx/upx/releases/download/v4.2.2/upx-4.2.2-win64.zip",
-            "hash": "7c69b92ff2b7fb8122609312eb0a6695c9e4b88a6c784a86c92e3b7ef583281f",
-            "extract_dir": "upx-4.2.2-win64"
+            "url": "https://github.com/upx/upx/releases/download/v4.2.3/upx-4.2.3-win64.zip",
+            "hash": "5f0458eb44ef2a9f8a3d02946e2d1382b1dac3e4a95d4dacf662ede567abfc59",
+            "extract_dir": "upx-4.2.3-win64"
         },
         "32bit": {
-            "url": "https://github.com/upx/upx/releases/download/v4.2.2/upx-4.2.2-win32.zip",
-            "hash": "141e7cd8d009b827590662b482f1ae2f1dda17cf446a5651078235efb1429c59",
-            "extract_dir": "upx-4.2.2-win32"
+            "url": "https://github.com/upx/upx/releases/download/v4.2.3/upx-4.2.3-win32.zip",
+            "hash": "46063a5e41b56b137f14ffc8f30f7502c155a60cd959595727f5d02a2bffa997",
+            "extract_dir": "upx-4.2.3-win32"
         }
     },
     "bin": "upx.exe",