diff --git a/math/py-spot/Makefile b/math/py-spot/Makefile
index 71bdd7ac08ae..5fbf752a62df 100644
--- a/math/py-spot/Makefile
+++ b/math/py-spot/Makefile
@@ -1,36 +1,36 @@
 PORTNAME=	spot
-DISTVERSION=	2.10.4
+DISTVERSION=	2.10.5
 CATEGORIES=	math
 MASTER_SITES=	http://www.lrde.epita.fr/dload/${PORTNAME}/
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Python binding for 'Spot', the library for omega automata manipulation
 
 LICENSE=	GPLv3
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 LIB_DEPENDS=	libspot.so:math/spot
 
 USES=		compiler:c++14-lang gmake libtool python:3.4+
 GNU_CONFIGURE=	yes
 CONFIGURE_ARGS=	--enable-python --disable-static
 
 # otherwise shared libs aren't linked to spot libs for some reason
 LDFLAGS+=	-L${LOCALBASE}/lib
 .for l in spot bddx spotgen spotltsmin
 LDFLAGS+=	-l${l}
 .endfor
 
 post-configure:
 	@${REINPLACE_CMD} ' \
 		s|^BUDDY_LDFLAGS =.*|BUDDY_LDFLAGS = ${LOCALBASE}/lib/libbddx.so|; \
 		s|$$(top_builddir)/spot/libspot.la|${LOCALBASE}/lib/libspot.so|; \
 		s|$$(top_builddir)/spot/ltsmin/libspotltsmin.la|${LOCALBASE}/lib/libspotltsmin.so|; \
 		s|$$(top_builddir)/spot/gen/libspotgen.la|${LOCALBASE}/lib/libspotgen.so|' \
 		${WRKSRC}/python/Makefile
 
 post-install:
 	@${FIND} ${STAGEDIR}${PYTHONPREFIX_SITELIBDIR} -name "*.so" | ${XARGS} ${STRIP_CMD}
 
 .include <bsd.port.mk>
diff --git a/math/py-spot/distinfo b/math/py-spot/distinfo
index 0b63297871ec..e4346598becd 100644
--- a/math/py-spot/distinfo
+++ b/math/py-spot/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1643880650
-SHA256 (spot-2.10.4.tar.gz) = e8629cdb6cce83077826960cd01ece5213daaf9a283d6f62aaf69afa0623478a
-SIZE (spot-2.10.4.tar.gz) = 7581009
+TIMESTAMP = 1651766200
+SHA256 (spot-2.10.5.tar.gz) = e34b9a305d558d3302256a9965ee5f4401b220dcb2be5244c64b3126a7844a2a
+SIZE (spot-2.10.5.tar.gz) = 7605135
diff --git a/math/spot/Makefile b/math/spot/Makefile
index 651cb0d55ef6..49bab3f3215c 100644
--- a/math/spot/Makefile
+++ b/math/spot/Makefile
@@ -1,29 +1,29 @@
 PORTNAME=	spot
-DISTVERSION=	2.10.4
+DISTVERSION=	2.10.5
 CATEGORIES=	math
 MASTER_SITES=	http://www.lrde.epita.fr/dload/${PORTNAME}/
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Library for omega automata manipulation and model checking
 
 LICENSE=	GPLv3
 LICENSE_FILE=	${WRKSRC}/COPYING
 
-USES=		charsetfix compiler:c++14-lang gmake libtool
+USES=		charsetfix compiler:c++17-lang gmake libtool
 USE_LDCONFIG=	yes
 
 GNU_CONFIGURE=	yes
 CONFIGURE_ARGS=	--disable-python --disable-static
 
 INSTALL_TARGET=	install-strip
 
 OPTIONS_DEFINE=	DOCS
 
 PORTDOCS=	tl.pdf
 
 TEST_TARGET=	check
 
 post-install:
 	@${STRIP_CMD} ${STAGEDIR}${PREFIX}/lib/*.so
 
 .include <bsd.port.mk>
diff --git a/math/spot/distinfo b/math/spot/distinfo
index 52da869ffae7..195ea4c907c3 100644
--- a/math/spot/distinfo
+++ b/math/spot/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1643878741
-SHA256 (spot-2.10.4.tar.gz) = e8629cdb6cce83077826960cd01ece5213daaf9a283d6f62aaf69afa0623478a
-SIZE (spot-2.10.4.tar.gz) = 7581009
+TIMESTAMP = 1651765193
+SHA256 (spot-2.10.5.tar.gz) = e34b9a305d558d3302256a9965ee5f4401b220dcb2be5244c64b3126a7844a2a
+SIZE (spot-2.10.5.tar.gz) = 7605135