diff --git a/science/smoldyn/Makefile b/science/smoldyn/Makefile
index 6cbd944087a4..728ebfcd9683 100644
--- a/science/smoldyn/Makefile
+++ b/science/smoldyn/Makefile
@@ -1,29 +1,31 @@
 PORTNAME=	smoldyn
-DISTVERSION=	2.67
+DISTVERSION=	2.68
 CATEGORIES=	science
 MASTER_SITES=	https://www.smoldyn.org/
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Biochemical simulator for molecular diffusion, surface interactions
 
 LICENSE=	LGPL3
 LICENSE_FILE=	${WRKSRC}/License.txt
 
 LIB_DEPENDS=	libtiff.so:graphics/tiff
 
-USES=		cmake:testing compiler:c++11-lang gl tar:tgz xorg
+USES=		cmake:testing compiler:c++11-lang gl localbase:ldflags tar:tgz python:test shebangfix xorg
 USE_GL=		gl glu glut
 USE_XORG=	xi xmu
 USE_LDCONFIG=	yes
 
+SHEBANG_GLOB=	*.py.in
+
 CMAKE_OFF=	OPTION_PYTHON
-CMAKE_TESTING_ON=	OPTION_EXAMPLES # test code is missing from tarballs: https://github.com/ssandrews/Smoldyn/issues/111
+CMAKE_TESTING_ON=	OPTION_EXAMPLES # all tests fail to run, see https://github.com/ssandrews/Smoldyn/issues/127
 
 PLIST_FILES=	bin/${PORTNAME} \
 		include/libsmoldyn.h \
 		include/smoldyn.h \
 		include/smoldynconfigure.h \
 		lib/libsmoldyn_shared.so \
 		lib/libsmoldyn_static.a
 
 .include <bsd.port.mk>
diff --git a/science/smoldyn/distinfo b/science/smoldyn/distinfo
index f0d66a948acd..eaef8f3533d5 100644
--- a/science/smoldyn/distinfo
+++ b/science/smoldyn/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1636241174
-SHA256 (smoldyn-2.67.tgz) = 8511325fd606eec84dae748f711c0392b9ec824059101277ef22fee104e6072b
-SIZE (smoldyn-2.67.tgz) = 31336122
+TIMESTAMP = 1659253902
+SHA256 (smoldyn-2.68.tgz) = f84f8bc214110453039ef76b61fd9b8c37bc6a8b584c8bae85171c7e7543df7f
+SIZE (smoldyn-2.68.tgz) = 32722229