diff --git a/science/dssp/Makefile b/science/dssp/Makefile
index b65693cdd92c..de687eae3dfd 100644
--- a/science/dssp/Makefile
+++ b/science/dssp/Makefile
@@ -1,27 +1,27 @@
 PORTNAME=	dssp
 DISTVERSIONPREFIX=	v
-DISTVERSION=	4.3.0
+DISTVERSION=	4.3.1
 CATEGORIES=	science
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Application to assign secondary structure to proteins
 WWW=		https://github.com/PDB-REDO/dssp
 
 LICENSE=	BSD2CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BUILD_DEPENDS=	libmcfp>0:devel/libmcfp \
 		mrc:devel/mrc
 LIB_DEPENDS=	libboost_iostreams.so:devel/boost-libs \
 		libcifpp.so:science/libcifpp
 
 USES=		cmake:noninja,testing compiler:c++17-lang # ninja breaks when mrc is present
 USE_LDCONFIG=	yes
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	PDB-REDO
 
 CMAKE_ON=	BUILD_SHARED_LIBS
 CMAKE_TESTING_ON=	ENABLE_TESTING
 
 .include <bsd.port.mk>
diff --git a/science/dssp/distinfo b/science/dssp/distinfo
index 910b03482b85..e5f25d102fb9 100644
--- a/science/dssp/distinfo
+++ b/science/dssp/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1685774030
-SHA256 (PDB-REDO-dssp-v4.3.0_GH0.tar.gz) = a59a12ca5346f4f27d511dd8e593e69f288780bf771b8e20643f0e3cdeae6057
-SIZE (PDB-REDO-dssp-v4.3.0_GH0.tar.gz) = 224141
+TIMESTAMP = 1686284599
+SHA256 (PDB-REDO-dssp-v4.3.1_GH0.tar.gz) = cb42cdade034498741d23ee5f7eec78985e55d590816a588b66f1c33b622663e
+SIZE (PDB-REDO-dssp-v4.3.1_GH0.tar.gz) = 226842
diff --git a/science/dssp/pkg-plist b/science/dssp/pkg-plist
index bfdd0e7f233f..0f8e155d161f 100644
--- a/science/dssp/pkg-plist
+++ b/science/dssp/pkg-plist
@@ -1,11 +1,11 @@
 bin/mkdssp
 include/dssp.hpp
 lib/cmake/dssp/dsspConfig.cmake
 lib/cmake/dssp/dsspConfigVersion.cmake
 lib/cmake/dssp/dsspTargets-%%CMAKE_BUILD_TYPE%%.cmake
 lib/cmake/dssp/dsspTargets.cmake
 lib/libdssp.so
 lib/libdssp.so.4
-lib/libdssp.so.4.3
+lib/libdssp.so.4.3.1
 libdata/pkgconfig/libdssp.pc
 share/man/man1/mkdssp.1.gz