diff --git a/R-bnlearn/Makefile b/R-bnlearn/Makefile
index 431adb1206..a28211e0f2 100644
--- a/R-bnlearn/Makefile
+++ b/R-bnlearn/Makefile
@@ -10,6 +10,7 @@ LICENSE=	gnu-gpl-v2 OR gnu-gpl-v3
 
 R_PKGNAME=	bnlearn
 R_PKGVER=	4.0
+PKGREVISION=	1
 
 USE_LANGUAGES=	c fortran
 
diff --git a/R-mclust/Makefile b/R-mclust/Makefile
index ab70e2ba0e..6b66e27d97 100644
--- a/R-mclust/Makefile
+++ b/R-mclust/Makefile
@@ -10,6 +10,7 @@ LICENSE=	gnu-gpl-v2 OR gnu-gpl-v3
 
 R_PKGNAME=	mclust
 R_PKGVER=	4.0
+PKGREVISION=	1
 
 USE_LANGUAGES=	c fortran
 
diff --git a/adept/Makefile b/adept/Makefile
index 32ff36413c..c5225ec8d6 100644
--- a/adept/Makefile
+++ b/adept/Makefile
@@ -1,6 +1,7 @@
 # $NetBSD$
 
 DISTNAME=	adept-2.0.5
+PKGREVISION=	1
 CATEGORIES=	math
 MASTER_SITES=	http://www.met.reading.ac.uk/clouds/adept/
 
diff --git a/alberta/Makefile b/alberta/Makefile
index 5ee57abb8f..e704c0d68a 100644
--- a/alberta/Makefile
+++ b/alberta/Makefile
@@ -1,6 +1,7 @@
 # $NetBSD: Makefile,v 1.4 2013/01/30 19:25:42 asau Exp $
 
 DISTNAME=	alberta-2.0.1
+PKGREVISION=	1
 CATEGORIES=	math
 MASTER_SITES=	http://www.alberta-fem.de/Downloads/
 
diff --git a/armadillo/Makefile b/armadillo/Makefile
index 85b49618fa..d98022f90d 100644
--- a/armadillo/Makefile
+++ b/armadillo/Makefile
@@ -2,6 +2,7 @@
 
 DISTNAME=	armadillo-9.${DIST_MINOR}.3
 PKGNAME=	armadillo-9.${PKG_MINOR}.3
+PKGREVISION=	1
 CATEGORIES=	math
 MASTER_SITES=	${MASTER_SITE_SOURCEFORGE:=arma/}
 EXTRACT_SUFX=	.tar.xz
diff --git a/atlas/Makefile b/atlas/Makefile
index 6cd2ce3d6f..474554f5b2 100644
--- a/atlas/Makefile
+++ b/atlas/Makefile
@@ -2,6 +2,7 @@
 
 DISTNAME=	atlas3.10.2
 PKGNAME=	${DISTNAME:C/atlas/atlas-/}
+PKGREVISION=	1
 CATEGORIES=	math
 MASTER_SITES=	${MASTER_SITE_SOURCEFORGE:=math-atlas/}
 EXTRACT_SUFX=	.tar.bz2
diff --git a/bigdft/Makefile b/bigdft/Makefile
index da903f7b01..8fe30b52af 100644
--- a/bigdft/Makefile
+++ b/bigdft/Makefile
@@ -2,6 +2,7 @@
 #
 
 DISTNAME=	bigdft-1.6.0
+PKGREVISION=	1
 CATEGORIES=	math
 MASTER_SITES=	http://inac.cea.fr/L_Sim/BigDFT/
 
diff --git a/bolt-lmm/Makefile b/bolt-lmm/Makefile
index 6eaa3d6273..efad34ff4e 100644
--- a/bolt-lmm/Makefile
+++ b/bolt-lmm/Makefile
@@ -7,6 +7,7 @@
 
 PKGNAME=	bolt-lmm-2.3.2
 DISTNAME=	BOLT-LMM_v${PKGVERSION_NOREV}
+PKGREVISION=	1
 CATEGORIES=	biology
 MASTER_SITES=	https://data.broadinstitute.org/alkesgroup/BOLT-LMM/downloads/ \
 		https://data.broadinstitute.org/alkesgroup/BOLT-LMM/downloads/old/
diff --git a/dolfin/Makefile b/dolfin/Makefile
index 26f2d6c26f..5a9f6f6a35 100644
--- a/dolfin/Makefile
+++ b/dolfin/Makefile
@@ -2,6 +2,7 @@
 #
 
 DISTNAME=	dolfin-${MMVERSION}.0
+PKGREVISION=	1
 CATEGORIES=	math python
 MASTER_SITES=	http://launchpad.net/dolfin/${MMVERSION}.x/${MMVERSION}.0/+download/
 
diff --git a/etos/Makefile b/etos/Makefile
index a645253e1c..e8f7218146 100644
--- a/etos/Makefile
+++ b/etos/Makefile
@@ -1,6 +1,7 @@
 # $NetBSD: Makefile,v 1.1 2014/07/28 17:32:04 jihbed Exp $
 
 DISTNAME=	etos-3.1.4
+PKGREVISION=	1
 CATEGORIES=	biology
 MASTER_SITES=	http://garr.dl.sourceforge.net/project/etos/3.1/
 
diff --git a/freefem++/Makefile b/freefem++/Makefile
index 4d62bd6292..c93a058ead 100644
--- a/freefem++/Makefile
+++ b/freefem++/Makefile
@@ -2,6 +2,7 @@
 #
 
 DISTNAME=	freefem++-3.19-1
+PKGREVISION=	1
 CATEGORIES=	math
 MASTER_SITES=	http://www.freefem.org/ff++/ftp/
 
diff --git a/gemma/Makefile b/gemma/Makefile
index f08cb95f6c..fb8c9f6370 100644
--- a/gemma/Makefile
+++ b/gemma/Makefile
@@ -6,6 +6,7 @@
 ###########################################################
 
 DISTNAME=	GEMMA-0.98.1
+PKGREVISION=	1
 CATEGORIES=	biology
 MASTER_SITES=	${MASTER_SITE_GITHUB:=genetics-statistics/}
 GITHUB_PROJECT=	GEMMA
diff --git a/getdp/Makefile b/getdp/Makefile
index 6e52047564..1a532ffc5d 100644
--- a/getdp/Makefile
+++ b/getdp/Makefile
@@ -2,6 +2,7 @@
 
 DISTNAME=	getdp-2.4.1-source
 PKGNAME=	getdp-2.4.1
+PKGREVISION=	1
 CATEGORIES=	math
 MASTER_SITES=	http://www.geuz.org/getdp/src/
 EXTRACT_SUFX=	.tgz
diff --git a/gretl/Makefile b/gretl/Makefile
index 7971dda90e..b1da0f0c89 100644
--- a/gretl/Makefile
+++ b/gretl/Makefile
@@ -2,7 +2,7 @@
 #
 
 DISTNAME=	gretl-1.9.0
-PKGREVISION=	1
+PKGREVISION=	2
 CATEGORIES=	math
 MASTER_SITES=	${MASTER_SITE_SOURCEFORGE:=gretl/}
 EXTRACT_SUFX=	.tar.bz2
diff --git a/hpl/Makefile b/hpl/Makefile
index 9ad0f94022..2c5aed2a2b 100644
--- a/hpl/Makefile
+++ b/hpl/Makefile
@@ -1,6 +1,7 @@
 # $NetBSD$
 
 DISTNAME=	hpl-2.3
+PKGREVISION=	1
 CATEGORIES=	benchmarks
 MASTER_SITES=	http://www.netlib.org/benchmark/hpl/
 
diff --git a/igraph/Makefile b/igraph/Makefile
index 56e4235dac..0ccfd862f7 100644
--- a/igraph/Makefile
+++ b/igraph/Makefile
@@ -1,6 +1,7 @@
 # $NetBSD: Makefile,v 1.4 2014/07/17 23:10:37 jihbed Exp $
 
 DISTNAME=	igraph-0.7.1
+PKGREVISION=	1
 CATEGORIES=	math
 MASTER_SITES=	http://igraph.org/nightly/get/c/
 
diff --git a/linbox/Makefile b/linbox/Makefile
index 31a9e33c7a..e985c4c371 100644
--- a/linbox/Makefile
+++ b/linbox/Makefile
@@ -3,6 +3,7 @@
 
 DISTNAME=	linbox-1.1.7rc0
 PKGNAME=	linbox-1.1.7
+PKGREVISION=	1
 CATEGORIES=	math
 MASTER_SITES=	http://www.linalg.org/
 
diff --git a/mpb-openmpi/Makefile b/mpb-openmpi/Makefile
index 51b8f30294..4ff0774b23 100644
--- a/mpb-openmpi/Makefile
+++ b/mpb-openmpi/Makefile
@@ -3,6 +3,7 @@
 
 DISTNAME=	mpb-1.4.2
 PKGNAME=	mpb-openmpi-1.4.2
+PKGREVISION=	1
 CATEGORIES=	science
 MASTER_SITES=	http://ab-initio.mit.edu/mpb/
 
diff --git a/mpb/Makefile b/mpb/Makefile
index 254c30266b..7c8cc54f07 100644
--- a/mpb/Makefile
+++ b/mpb/Makefile
@@ -2,6 +2,7 @@
 #
 
 DISTNAME=	mpb-1.4.2
+PKGREVISION=	1
 CATEGORIES=	science
 MASTER_SITES=	http://ab-initio.mit.edu/mpb/
 
diff --git a/necpp-git/Makefile b/necpp-git/Makefile
index 416a6863cf..ed79f59fc1 100644
--- a/necpp-git/Makefile
+++ b/necpp-git/Makefile
@@ -1,6 +1,7 @@
 # $NetBSD: Makefile,v 1.3 2014/06/15 02:02:05 makoto Exp $
 
 DISTNAME=		necpp-git-1
+PKGREVISION=	1
 CATEGORIES=		news
 MASTER_SITES=		https://github.com/tmolteno/necpp/
 
diff --git a/openmx-openmpi/Makefile b/openmx-openmpi/Makefile
index 5ab1d05389..9444bc2c4c 100644
--- a/openmx-openmpi/Makefile
+++ b/openmx-openmpi/Makefile
@@ -2,6 +2,7 @@
 
 DISTNAME=	openmx3.7
 PKGNAME=	openmx-openmpi-3.7
+PKGREVISION=	1
 CATEGORIES=	science
 MASTER_SITES=	http://www.openmx-square.org/
 
diff --git a/petsc/Makefile b/petsc/Makefile
index 23851a0707..13cce3f5f0 100644
--- a/petsc/Makefile
+++ b/petsc/Makefile
@@ -3,6 +3,7 @@
 
 DISTNAME=	petsc-3.1-p2
 PKGNAME=	petsc-3.1p2
+PKGREVISION=	1
 CATEGORIES=	math
 MASTER_SITES=	http://ftp.mcs.anl.gov/pub/petsc/release-snapshots/
 
diff --git a/plasti/Makefile b/plasti/Makefile
index 89c56bcb6b..847cb66595 100644
--- a/plasti/Makefile
+++ b/plasti/Makefile
@@ -2,6 +2,7 @@
 #
 
 DISTNAME=	plasti-1.0.0
+PKGREVISION=	1
 CATEGORIES=	math
 MASTER_SITES=	http://www.geodynamics.org/cig/software/plasti/
 
diff --git a/plink/Makefile b/plink/Makefile
index d2e6c6424d..2d67aae72c 100644
--- a/plink/Makefile
+++ b/plink/Makefile
@@ -6,6 +6,7 @@
 ###########################################################
 
 DISTNAME=	plink-${PORTVERSION}
+PKGREVISION=	1
 CATEGORIES=	biology
 MASTER_SITES=	${MASTER_SITE_GITHUB:=chrchang/}
 GITHUB_PROJECT=	plink-ng
diff --git a/py-cvxpy/Makefile b/py-cvxpy/Makefile
index 4d5a8054ad..bca2f3f256 100644
--- a/py-cvxpy/Makefile
+++ b/py-cvxpy/Makefile
@@ -2,6 +2,7 @@
 
 DISTNAME=	cvxpy-0.2.15
 PKGNAME=	${PYPKGPREFIX}-${DISTNAME}
+PKGREVISION=	1
 CATEGORIES=	math python
 MASTER_SITES=	${MASTER_SITE_PYPI:=c/cvxpy/}
 
diff --git a/py-lapack/Makefile b/py-lapack/Makefile
index 006a9d3a8d..8eac2e4edd 100644
--- a/py-lapack/Makefile
+++ b/py-lapack/Makefile
@@ -3,6 +3,7 @@
 VERSION=	0.21
 DISTNAME=	PyLapack
 PKGNAME=	${PYPKGPREFIX}-${DISTNAME:S/Py//S/L/l/}-${VERSION}
+PKGREVISION=	1
 CATEGORIES=	math python
 MASTER_SITES=	http://kochanski.org/gpk/misc/
 
diff --git a/py-macs2/Makefile b/py-macs2/Makefile
index f27a8680cb..c921c6b4b6 100644
--- a/py-macs2/Makefile
+++ b/py-macs2/Makefile
@@ -15,6 +15,7 @@
 
 DISTNAME=	macs2-${PORTVERSION}
 PKGNAME=	${PYPKGPREFIX}-macs2-${PORTVERSION}
+PKGREVISION=	1
 CATEGORIES=	biology
 MASTER_SITES=	${MASTER_SITE_GITHUB:=taoliu/}
 GITHUB_PROJECT=	MACS
diff --git a/py-spams/Makefile b/py-spams/Makefile
index 242acafd44..a46e19eadb 100644
--- a/py-spams/Makefile
+++ b/py-spams/Makefile
@@ -2,6 +2,7 @@
 
 DISTNAME=	spams-python-v2.5-svn2014-07-04
 PKGNAME=	${PYPKGPREFIX}-${DISTNAME:S/python-//}
+PKGREVISION=	1
 CATEGORIES=	math
 MASTER_SITES=	http://spams-devel.gforge.inria.fr/hitcounter2.php?file=33816/
 
diff --git a/py-symeig/Makefile b/py-symeig/Makefile
index b14fec490c..2dbfc6be9f 100644
--- a/py-symeig/Makefile
+++ b/py-symeig/Makefile
@@ -3,6 +3,7 @@
 
 DISTNAME=	symeig-1.5
 PKGNAME=	${PYPKGPREFIX}-${DISTNAME}
+PKGREVISION=	1
 CATEGORIES=	math
 MASTER_SITES=	${MASTER_SITE_SOURCEFORGE:=mdp-toolkit/}
 
diff --git a/slicot/Makefile b/slicot/Makefile
index 6e1d0425de..d5558b6588 100644
--- a/slicot/Makefile
+++ b/slicot/Makefile
@@ -2,6 +2,7 @@
 
 DISTNAME=	slicot_5.0+20101122.orig
 PKGNAME=	slicot-5.0+20101122
+PKGREVISION=	1
 CATEGORIES=	math
 MASTER_SITES=	${MASTER_SITE_DEBIAN:=pool/main/s/slicot/}
 
diff --git a/spai/Makefile b/spai/Makefile
index 170ba525d1..0c5533ec59 100644
--- a/spai/Makefile
+++ b/spai/Makefile
@@ -2,6 +2,7 @@
 #
 
 DISTNAME=	spai-3.2
+PKGREVISION=	1
 CATEGORIES=	math
 MASTER_SITES=	http://www.computational.unibas.ch/software/spai/
 EXTRACT_SUFX=	.tar.bz2
diff --git a/suitesparse/Makefile b/suitesparse/Makefile
index f6bf16be2b..f4af53def7 100644
--- a/suitesparse/Makefile
+++ b/suitesparse/Makefile
@@ -5,7 +5,7 @@
 # PKGNAME=	suitesparse-3.6.1
 DISTNAME=	SuiteSparse-4.0.2
 PKGNAME=	suitesparse-4.0.2
-PKGREVISION=	1
+PKGREVISION=	2
 CATEGORIES=	math
 MASTER_SITES=	http://faculty.cse.tamu.edu/davis/SuiteSparse/
 #MASTER_SITES=	http://www.cise.ufl.edu/research/sparse/SuiteSparse/
diff --git a/superlu/Makefile b/superlu/Makefile
index 53eb38a205..7ebade460a 100644
--- a/superlu/Makefile
+++ b/superlu/Makefile
@@ -1,6 +1,7 @@
 # $NetBSD: Makefile,v 1.28 2019/08/11 13:17:49 wiz Exp $
 
 DISTNAME=		superlu-5.2.1
+PKGREVISION=		1
 CATEGORIES=		math
 MASTER_SITES=		${MASTER_SITE_GITHUB:=xiaoyeli/}
 GITHUB_TAG=		v${PKGVERSION_NOREV}