diff --git a/srcpkgs/upx/template b/srcpkgs/upx/template
index a8b8d743d0d..93c810c2749 100644
--- a/srcpkgs/upx/template
+++ b/srcpkgs/upx/template
@@ -1,6 +1,6 @@
 # Template file for 'upx'
 pkgname=upx
-version=4.2.2
+version=4.2.3
 revision=1
 build_style=cmake
 configure_args="-DCMAKE_BUILD_TYPE=Release"
@@ -12,4 +12,4 @@ license="GPL-2.0-or-later"
 homepage="https://upx.github.io/"
 changelog="https://raw.githubusercontent.com/upx/upx/master/NEWS"
 distfiles="https://github.com/upx/upx/releases/download/v${version}/upx-${version}-src.tar.xz"
-checksum=42ee0455eea610ef7ee732aa1f657b34a351ebcfa64a24c1e2a7aaec74c1e038
+checksum=d6357eec6ed4c1b51f40af2316b0958ff1b7fa6f53ef3de12da1d5c96d30e412