diff --git a/misc/quantum++/Makefile b/misc/quantum++/Makefile
index 28eef30ec8ac..a06875e688a8 100644
--- a/misc/quantum++/Makefile
+++ b/misc/quantum++/Makefile
@@ -1,28 +1,28 @@
 PORTNAME=	quantum++
 DISTVERSIONPREFIX=	v
-DISTVERSION=	4.3
+DISTVERSION=	4.3.1
 CATEGORIES=	misc devel
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	C++ header-only general purpose quantum computing library
 WWW=		https://github.com/softwareQinc/qpp
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 USES=		cmake:testing compiler:c++17-lang eigen:3,build,run
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	softwareQinc
 GH_PROJECT=	qpp
 
 CMAKE_TESTING_ON=	WITH_UNIT_TESTS
 CMAKE_TESTING_TARGET=	unit_tests
 
 NO_BUILD=	yes
 NO_ARCH=	yes
 
 post-test: # run tests
 	@${BUILD_WRKSRC}/unit_tests/unit_tests
 
 .include <bsd.port.mk>
diff --git a/misc/quantum++/distinfo b/misc/quantum++/distinfo
index a2a3da1cefd1..cb344afe4f46 100644
--- a/misc/quantum++/distinfo
+++ b/misc/quantum++/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1685293583
-SHA256 (softwareQinc-qpp-v4.3_GH0.tar.gz) = ef2675a95817b1df953333b68e92d99ddd99fb4d996638d7438e9d1f8849971b
-SIZE (softwareQinc-qpp-v4.3_GH0.tar.gz) = 5708765
+TIMESTAMP = 1686100699
+SHA256 (softwareQinc-qpp-v4.3.1_GH0.tar.gz) = 534133f57b6bb06c39aa3ef868a8eb38f95415ab23e538d9d05307528ba2d159
+SIZE (softwareQinc-qpp-v4.3.1_GH0.tar.gz) = 5709127