diff --git a/x11/swaylock/Makefile b/x11/swaylock/Makefile
index e4bfedd5a394..a18342da0d8d 100644
--- a/x11/swaylock/Makefile
+++ b/x11/swaylock/Makefile
@@ -1,51 +1,51 @@
 PORTNAME=	swaylock
 DISTVERSIONPREFIX?=	v
-DISTVERSION?=	1.8.0
+DISTVERSION?=	1.8.1
 PORTREVISION?=	0
 CATEGORIES=	x11 wayland
 
 MAINTAINER=	jbeich@FreeBSD.org
 COMMENT?=	Screen locker for Wayland
 WWW?=		https://github.com/swaywm/swaylock
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BUILD_DEPENDS=	wayland-protocols>=1.25:graphics/wayland-protocols
 LIB_DEPENDS=	libwayland-client.so:graphics/wayland \
 		libxkbcommon.so:x11/libxkbcommon
 RUN_DEPENDS=	unix-selfauth-helper>0:security/unix-selfauth-helper
 
 CONFLICTS_INSTALL=	${PORTNAME}-*
 
 USES=		compiler:c11 cpe gnome meson pkgconfig
 USE_GITHUB=	yes
 GH_ACCOUNT?=	swaywm
 CPE_VENDOR=	swaywm
 USE_GNOME=	cairo pango
 PLIST_FILES=	bin/${PORTNAME} \
 		etc/pam.d/${PORTNAME} \
 		share/bash-completion/completions/${PORTNAME} \
 		share/fish/vendor_completions.d/${PORTNAME}.fish \
 		share/zsh/site-functions/_${PORTNAME}
 
 OPTIONS_DEFINE=	MANPAGES PIXBUF
 OPTIONS_DEFAULT=MANPAGES PIXBUF
 
 MANPAGES_BUILD_DEPENDS=	scdoc:textproc/scdoc
 MANPAGES_MESON_ENABLED=	man-pages
 MANPAGES_PLIST_FILES=	share/man/man1/${PORTNAME}.1.gz
 
 PIXBUF_USE=		GNOME=gdkpixbuf
 PIXBUF_MESON_ENABLED=	gdk-pixbuf
 
 post-patch:
 # Extract (snapshot) version from the port instead of meson.build
 	@${REINPLACE_CMD} -i .nogit -e 's/git.found()/false/' \
 		-e "s/meson.project_version()/'${DISTVERSIONFULL}'/" \
 		${WRKSRC}/meson.build
 # https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=275328
-	@${REINPLACE_CMD} -e 's/_POSIX_C_SOURCE 200809L/_XOPEN_SOURCE 700/' \
-		${WRKSRC}/main.c
+	@${REINPLACE_CMD} -e 's/_POSIX_C_SOURCE=200809L/_XOPEN_SOURCE=700/' \
+		${WRKSRC}/meson.build
 
 .include <bsd.port.mk>
diff --git a/x11/swaylock/distinfo b/x11/swaylock/distinfo
index 06452cd91cf1..65f0844462f9 100644
--- a/x11/swaylock/distinfo
+++ b/x11/swaylock/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1724445573
-SHA256 (swaywm-swaylock-v1.8.0_GH0.tar.gz) = 7efc5eb6aa2fc00a3435621fc78df5bab8afbe17f7d8815241f4fbd4bbeed7f8
-SIZE (swaywm-swaylock-v1.8.0_GH0.tar.gz) = 33073
+TIMESTAMP = 1742470717
+SHA256 (swaywm-swaylock-v1.8.1_GH0.tar.gz) = 75b248158cdd440cf3d85a8197525aa6f5a2c2497df53229f736eaa0cdcd689e
+SIZE (swaywm-swaylock-v1.8.1_GH0.tar.gz) = 33429