diff --git a/mingw-w64-upx/PKGBUILD b/mingw-w64-upx/PKGBUILD
index 556acfe620..b1ae6c20b9 100644
--- a/mingw-w64-upx/PKGBUILD
+++ b/mingw-w64-upx/PKGBUILD
@@ -3,7 +3,7 @@
 _realname=upx
 pkgbase=mingw-w64-${_realname}
 pkgname=("${MINGW_PACKAGE_PREFIX}-${_realname}")
-pkgver=4.2.3
+pkgver=4.2.4
 pkgrel=1
 pkgdesc='Ultimate executable compressor.'
 arch=('any')
@@ -21,7 +21,7 @@ makedepends=(
   "${MINGW_PACKAGE_PREFIX}-ninja"
 )
 source=("https://github.com/${_realname}/${_realname}/releases/download/v${pkgver}/${_realname}-${pkgver}-src.tar.xz")
-sha256sums=('d6357eec6ed4c1b51f40af2316b0958ff1b7fa6f53ef3de12da1d5c96d30e412')
+sha256sums=('5ed6561607d27fb4ef346fc19f08a93696fa8fa127081e7a7114068306b8e1c4')
 
 prepare() {
   mv "${srcdir}/${_realname}-${pkgver}-src" "${srcdir}/${_realname}-${pkgver}"