diff --git a/science/smoldyn/Makefile b/science/smoldyn/Makefile
index f78160a69737..94049c8e7936 100644
--- a/science/smoldyn/Makefile
+++ b/science/smoldyn/Makefile
@@ -1,45 +1,45 @@
 PORTNAME=	smoldyn
-DISTVERSION=	2.72
+DISTVERSION=	2.73
 CATEGORIES=	science
 MASTER_SITES=	https://www.smoldyn.org/
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Biochemical simulator for molecular diffusion, surface interactions
 WWW=		https://www.smoldyn.org/
 
 LICENSE=	LGPL3
 LICENSE_FILE=	${WRKSRC}/License.txt
 
 LIB_DEPENDS=	libtiff.so:graphics/tiff
 TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}flaky>0:devel/py-flaky@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}matplotlib>0:math/py-matplotlib@${PY_FLAVOR} \
 		${PYNUMPY}
 
 USES=		cmake:testing compiler:c++11-lang gl localbase:ldflags python:test tar:tgz shebangfix xorg
 USE_GL=		gl glu glut
 USE_XORG=	xi xmu
 USE_LDCONFIG=	yes
 
 SHEBANG_GLOB=	*.py.in
 
 CMAKE_TESTING_ON=	OPTION_EXAMPLES # all tests fail to run, see https://github.com/ssandrews/Smoldyn/issues/127
 
 OPTIONS_DEFINE=		PYTHON
 OPTIONS_DEFAULT=	# PYTHON Tests ONLY pass when PYTHON=ON despite biology/py-biosimulators-utils being missing
 OPTIONS_SUB=		yes
 
 PYTHON_CMAKE_BOOL=	OPTION_PYTHON
 PYTHON_USES=		python
 PYTHON_CMAKE_ON=	-DPython3_EXECUTABLE=${PYTHON_CMD}
 PYTHON_BUILD_DEPENDS=	${PY_SETUPTOOLS}
 PYTHON_RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}biosimulators-utils>0:biology/py-biosimulators-utils@${PY_FLAVOR}
 PYTHON_BROKEN=		pending biology/py-biosimulators-utils completion
 
 post-extract: # see https://github.com/ssandrews/Smoldyn/issues/127
 	@${CHMOD} +x ${WRKSRC}/scripts/run_pyscript.py.in
 
 do-install-PYTHON-on: # workaround for https://github.com/ssandrews/Smoldyn/issues/129
 	@cd ${BUILD_WRKSRC}/py && ${COPYTREE_SHARE} ${PORTNAME} ${STAGEDIR}${PYTHON_SITELIBDIR}
 	@${RM} ${STAGEDIR}${PYTHON_SITELIBDIR}/${PORTNAME}/.DS_Store
 
 .include <bsd.port.mk>
diff --git a/science/smoldyn/distinfo b/science/smoldyn/distinfo
index 8941494818a7..a54b5f380abc 100644
--- a/science/smoldyn/distinfo
+++ b/science/smoldyn/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1692431211
-SHA256 (smoldyn-2.72.tgz) = c381389b2cd5f5b56c392b8280a7f96c4f15e5d1a39c659bbdc54950ceb89d9d
-SIZE (smoldyn-2.72.tgz) = 34237869
+TIMESTAMP = 1710107839
+SHA256 (smoldyn-2.73.tgz) = 9c91604732df717646e292c435c6355a7590b871fd4d7060e1081f2432fbe267
+SIZE (smoldyn-2.73.tgz) = 35748041