diff --git a/devel/libsigc++30/Makefile b/devel/libsigc++30/Makefile
index 5060a747e134..732bd45dc77b 100644
--- a/devel/libsigc++30/Makefile
+++ b/devel/libsigc++30/Makefile
@@ -1,22 +1,22 @@
 PORTNAME=	libsigc++
-PORTVERSION=	3.2.0
+PORTVERSION=	3.4.0
 CATEGORIES=	devel
 MASTER_SITES=	GNOME
 PKGNAMESUFFIX=	30
 
 MAINTAINER=	gnome@FreeBSD.org
 COMMENT=	Callback Framework for C++
 WWW=		https://libsigcplusplus.github.io/libsigcplusplus/index.html
 
 LICENSE=	LGPL21+
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 USES=		compiler:c++17-lang meson tar:xz
 USE_LDCONFIG=	yes
 
 MESON_ARGS=	-Dbuild-documentation=false \
 		-Dbuild-examples=false
 
 PLIST_SUB=	API_VERSION="3.0"
 
 .include <bsd.port.mk>
diff --git a/devel/libsigc++30/distinfo b/devel/libsigc++30/distinfo
index 0e5d94082777..f12976e76e5e 100644
--- a/devel/libsigc++30/distinfo
+++ b/devel/libsigc++30/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1651007532
-SHA256 (libsigc++-3.2.0.tar.xz) = 8cdcb986e3f0a7c5b4474aa3c833d676e62469509f4899110ddf118f04082651
-SIZE (libsigc++-3.2.0.tar.xz) = 785900
+TIMESTAMP = 1684533253
+SHA256 (libsigc++-3.4.0.tar.xz) = 02e2630ffb5ce93cd52c38423521dfe7063328863a6e96d41d765a6116b8707e
+SIZE (libsigc++-3.4.0.tar.xz) = 949316