diff --git a/archivers/upx/Makefile b/archivers/upx/Makefile
index 30d3a619ea8a..c4468a6ef4f3 100644
--- a/archivers/upx/Makefile
+++ b/archivers/upx/Makefile
@@ -1,32 +1,32 @@
 PORTNAME=	upx
-PORTVERSION=	4.2.0
+PORTVERSION=	4.2.1
 MASTER_SITES=	https://github.com/upx/upx/releases/download/v${PORTVERSION}/
 CATEGORIES=	archivers
 DISTVERSIONSUFFIX=	-src
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Ultimate Packer for eXecutables
 WWW=		https://upx.github.io/ \
 		https://github.com/upx/upx
 
 LICENSE=	GPLv2+
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 LIB_DEPENDS=	libucl.so:archivers/ucl
 
 USES=		cmake compiler:c++17-lang cpe tar:xz
 
 CMAKE_ON=	UPX_CONFIG_DISABLE_BZIP2 \
 		UPX_CONFIG_DISABLE_BZIP2 \
 		UPX_CONFIG_DISABLE_GITREV \
 		UPX_CONFIG_DISABLE_SANITIZE \
 		UPX_CONFIG_DISABLE_SELF_PACK_TEST \
 		UPX_CONFIG_DISABLE_THREADS \
 		UPX_CONFIG_DISABLE_WERROR \
 		UPX_CONFIG_DISABLE_WSTRICT
 
 CPE_VENDOR=	upx_project
 
 OPTIONS_DEFINE=	DOCS
 
 .include <bsd.port.mk>
diff --git a/archivers/upx/distinfo b/archivers/upx/distinfo
index dacb1e0533a3..64ce97ad7326 100644
--- a/archivers/upx/distinfo
+++ b/archivers/upx/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1698848690
-SHA256 (upx-4.2.0-src.tar.xz) = 09b89fe127fbcb8222dc519badc8cc4da0b2f9f661f2d699d0b2a79e167161fa
-SIZE (upx-4.2.0-src.tar.xz) = 1277700
+TIMESTAMP = 1699774448
+SHA256 (upx-4.2.1-src.tar.xz) = cc562ea7dbd8cec4505edea68736e04030ec5891c1e2a300e3c0d0eac6364479
+SIZE (upx-4.2.1-src.tar.xz) = 1278288