diff --git a/math/clasp/Makefile b/math/clasp/Makefile
index f6730cae67b5..addfcf21fa4f 100644
--- a/math/clasp/Makefile
+++ b/math/clasp/Makefile
@@ -1,29 +1,28 @@
 PORTNAME=	clasp
-PORTVERSION=	3.3.5
+PORTVERSION=	3.3.9
 DISTVERSIONPREFIX=	v
 CATEGORIES=	math devel
 
 MAINTAINER=	vsevolod@FreeBSD.org
 COMMENT=	Answer set solver for (extended) normal logic programs
-WWW=		http://potassco.sourceforge.net/
+WWW=		https://potassco.org/clasp/
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BROKEN_sparc64=	Fails to build: internal compiler error
 
 USES=	compiler:c++11-lang cmake
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	potassco
-GH_PROJECT=	${PORTNAME}
-GH_TUPLE=	potassco:libpotassco:6e31cff:other/libpotassco
+GH_TUPLE=	potassco:libpotassco:fa39da4:other/libpotassco
 
 PLIST_FILES=	bin/${PORTNAME}
 
 CONFLICTS_INSTALL=	clingo # bin/clasp is contained in clingo
 
 do-install:
 	${INSTALL_PROGRAM} ${INSTALL_WRKSRC}/bin/${PORTNAME} ${STAGEDIR}${PREFIX}/bin/${PORTNAME}
 
 .include <bsd.port.mk>
diff --git a/math/clasp/distinfo b/math/clasp/distinfo
index 9b4155404426..947fe737e9c7 100644
--- a/math/clasp/distinfo
+++ b/math/clasp/distinfo
@@ -1,5 +1,5 @@
-TIMESTAMP = 1592574784
-SHA256 (potassco-clasp-v3.3.5_GH0.tar.gz) = faae82371f0e590225171217bfaa010e4712ca4edf42d6cbc5268460705af70e
-SIZE (potassco-clasp-v3.3.5_GH0.tar.gz) = 621349
-SHA256 (potassco-libpotassco-6e31cff_GH0.tar.gz) = 3f98761b7d5d141532130d391e2a19b6d4283341660f9572adb61bd2c3bbb56f
-SIZE (potassco-libpotassco-6e31cff_GH0.tar.gz) = 210065
+TIMESTAMP = 1693909958
+SHA256 (potassco-clasp-v3.3.9_GH0.tar.gz) = 858bb4850814a89e30711abea23985646fab56c8e43663a30b2255bb3d863948
+SIZE (potassco-clasp-v3.3.9_GH0.tar.gz) = 677796
+SHA256 (potassco-libpotassco-fa39da4_GH0.tar.gz) = a46dec9da76bc6af85060e47814b9c85cd80914fe3795e9c269608cb739289f3
+SIZE (potassco-libpotassco-fa39da4_GH0.tar.gz) = 259662