diff --git a/devel/sdbus-cpp/Makefile b/devel/sdbus-cpp/Makefile
index 895d78f76bba..86a16058e2e5 100644
--- a/devel/sdbus-cpp/Makefile
+++ b/devel/sdbus-cpp/Makefile
@@ -1,26 +1,26 @@
 PORTNAME=	sdbus-cpp
 DISTVERSIONPREFIX=	v
-DISTVERSION=	2.2.1
+DISTVERSION=	2.3.1
 CATEGORIES=	devel
 
 MAINTAINER=	jbeich@FreeBSD.org
 COMMENT=	High-level C++ D-Bus library
 WWW=		https://github.com/Kistler-Group/sdbus-cpp
 
 LICENSE=	LGPL21+
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 LIB_DEPENDS=	libbasu.so:devel/basu \
 		libexpat.so:textproc/expat2
 TEST_DEPENDS=	googletest>0:devel/googletest
 
 USES=		cmake:testing compiler:c++17-lang pkgconfig
 USE_GITHUB=	yes
 USE_LDCONFIG=	yes
 GH_ACCOUNT=	Kistler-Group
 CMAKE_ON=	SDBUSCPP_BUILD_CODEGEN
 CMAKE_OFF=	SDBUSCPP_BUILD_DOCS
 CMAKE_TESTING_ON=	SDBUSCPP_BUILD_TESTS
 PLIST_SUB=	VERSION=${PORTVERSION}
 
 .include <bsd.port.mk>
diff --git a/devel/sdbus-cpp/distinfo b/devel/sdbus-cpp/distinfo
index 5cc7e13e10b7..f1dfb1392cfa 100644
--- a/devel/sdbus-cpp/distinfo
+++ b/devel/sdbus-cpp/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1763745255
-SHA256 (Kistler-Group-sdbus-cpp-v2.2.1_GH0.tar.gz) = da69a0104beb6e51415a59f1571a47beb1eacc65cc6027b250eb1cf13ff4f802
-SIZE (Kistler-Group-sdbus-cpp-v2.2.1_GH0.tar.gz) = 252869
+TIMESTAMP = 1779280578
+SHA256 (Kistler-Group-sdbus-cpp-v2.3.1_GH0.tar.gz) = 3a289eded586c26d06c1387de72c7bf7c809527a70d51ba6401fe61059b19626
+SIZE (Kistler-Group-sdbus-cpp-v2.3.1_GH0.tar.gz) = 263568
diff --git a/devel/sdbus-cpp/pkg-plist b/devel/sdbus-cpp/pkg-plist
index 1c8634ecc104..21b55dd2de54 100644
--- a/devel/sdbus-cpp/pkg-plist
+++ b/devel/sdbus-cpp/pkg-plist
@@ -1,31 +1,32 @@
 bin/sdbus-c++-xml2cpp
 include/sdbus-c++/AdaptorInterfaces.h
+include/sdbus-c++/Awaitable.h
 include/sdbus-c++/ConvenienceApiClasses.h
 include/sdbus-c++/ConvenienceApiClasses.inl
 include/sdbus-c++/Error.h
 include/sdbus-c++/Flags.h
 include/sdbus-c++/IConnection.h
 include/sdbus-c++/IObject.h
 include/sdbus-c++/IProxy.h
 include/sdbus-c++/Message.h
 include/sdbus-c++/MethodResult.h
 include/sdbus-c++/ProxyInterfaces.h
 include/sdbus-c++/StandardInterfaces.h
 include/sdbus-c++/TypeTraits.h
 include/sdbus-c++/Types.h
 include/sdbus-c++/VTableItems.h
 include/sdbus-c++/VTableItems.inl
 include/sdbus-c++/sdbus-c++.h
 lib/cmake/sdbus-c++-tools/sdbus-c++-tools-config-version.cmake
 lib/cmake/sdbus-c++-tools/sdbus-c++-tools-config.cmake
 lib/cmake/sdbus-c++-tools/sdbus-c++-tools-targets-%%CMAKE_BUILD_TYPE%%.cmake
 lib/cmake/sdbus-c++-tools/sdbus-c++-tools-targets.cmake
 lib/cmake/sdbus-c++/sdbus-c++-config-version.cmake
 lib/cmake/sdbus-c++/sdbus-c++-config.cmake
 lib/cmake/sdbus-c++/sdbus-c++-targets-%%CMAKE_BUILD_TYPE%%.cmake
 lib/cmake/sdbus-c++/sdbus-c++-targets.cmake
 lib/libsdbus-c++.so
 lib/libsdbus-c++.so.2
 lib/libsdbus-c++.so.%%VERSION%%
 libdata/pkgconfig/sdbus-c++-tools.pc
 libdata/pkgconfig/sdbus-c++.pc