diff --git a/math/dune-polygongrid/Makefile b/math/dune-polygongrid/Makefile
index f1a3ea8e16b15..2a13407a4a8c6 100644
--- a/math/dune-polygongrid/Makefile
+++ b/math/dune-polygongrid/Makefile
@@ -1,5 +1,5 @@
 PORTNAME=	dune-polygongrid
-DISTVERSION=	g20200214
+DISTVERSION=	g20210307
 CATEGORIES=	math
 
 MAINTAINER=	yuri@FreeBSD.org
@@ -12,9 +12,9 @@ BUILD_DEPENDS=	${LOCALBASE}/mpi/openmpi/lib/libmpi.so:net/openmpi
 LIB_DEPENDS=	libdunecommon.so:math/dune-common \
 		libdunegeometry.so:math/dune-geometry \
 		libdunegrid.so:math/dune-grid \
-		libugL.so:math/dune-uggrid \
+		libduneuggrid.so:math/dune-uggrid \
 		libopenblas.so:math/openblas \
-		libtbb.so:devel/tbb
+		libtbb.so:devel/onetbb
 RUN_DEPENDS=	${LOCALBASE}/mpi/openmpi/lib/libmpi.so:net/openmpi
 
 USES=		cmake compiler:c++17-lang fortran pkgconfig
@@ -23,7 +23,7 @@ USE_LDCONFIG=	yes
 
 GL_SITE=	https://gitlab.dune-project.org
 GL_ACCOUNT=	extensions
-GL_COMMIT=	608b915a7c6e7aed072a3d54745699a87e085d51
+GL_COMMIT=	f76933aa51aa3ae3e58a5705f9f7ce7d1f6c012c
 
 CMAKE_ON=	BUILD_SHARED_LIBS
 
diff --git a/math/dune-polygongrid/distinfo b/math/dune-polygongrid/distinfo
index c40b88c9510ec..b34b14066fab3 100644
--- a/math/dune-polygongrid/distinfo
+++ b/math/dune-polygongrid/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1617891507
-SHA256 (extensions-dune-polygongrid-608b915a7c6e7aed072a3d54745699a87e085d51_GL0.tar.gz) = 3dd6178032453f91044a7fc89c5e95f41db7872380734b9150122120e6d5b45f
-SIZE (extensions-dune-polygongrid-608b915a7c6e7aed072a3d54745699a87e085d51_GL0.tar.gz) = 29958
+TIMESTAMP = 1630978714
+SHA256 (extensions-dune-polygongrid-f76933aa51aa3ae3e58a5705f9f7ce7d1f6c012c_GL0.tar.gz) = 60d5eed9881320c2d23d3599c50d53836bef0fa8f46ecea61b2acf8c26cc643a
+SIZE (extensions-dune-polygongrid-f76933aa51aa3ae3e58a5705f9f7ce7d1f6c012c_GL0.tar.gz) = 30936