diff --git a/app-text/gsview/gsview-4.9.ebuild b/app-text/gsview/gsview-4.9.ebuild
index bd1b242..27386fd 100644
--- a/app-text/gsview/gsview-4.9.ebuild
+++ b/app-text/gsview/gsview-4.9.ebuild
@@ -15,7 +15,7 @@ SRC_URI="ftp://mirror.cs.wisc.edu/pub/mirrors/ghost/ghostgum/gsview-${PV}.tar.gz
 IUSE="doc epstool pstotext"
 SLOT="0"
 LICENSE="Aladdin"
-KEYWORDS="amd64 hppa ppc x86 ~amd64-linux ~x86-linux"
+KEYWORDS="amd64 hppa ppc x86 ~amd64-linux ~x86-linux arm arm64"
 
 RDEPEND="x11-libs/gtk+:1
 	epstool? ( app-text/epstool )
diff --git a/sci-geosciences/dcw-gmt/dcw-gmt-1.1.4.ebuild b/sci-geosciences/dcw-gmt/dcw-gmt-1.1.4.ebuild
index b1db095..1f5c308 100644
--- a/sci-geosciences/dcw-gmt/dcw-gmt-1.1.4.ebuild
+++ b/sci-geosciences/dcw-gmt/dcw-gmt-1.1.4.ebuild
@@ -9,7 +9,7 @@ SRC_URI="https://www.soest.hawaii.edu/pwessel/dcw/${P}.tar.gz"
 
 LICENSE="LGPL-3+"
 SLOT="0"
-KEYWORDS="~amd64 ~x86 ~amd64-linux ~x86-linux"
+KEYWORDS="~amd64 ~x86 ~amd64-linux ~x86-linux ~arm ~arm64"
 IUSE=""
 
 RDEPEND=""
diff --git a/sci-geosciences/gmt/gmt-4.5.18-r1.ebuild b/sci-geosciences/gmt/gmt-4.5.18-r1.ebuild
index bcabffa..45858d9 100644
--- a/sci-geosciences/gmt/gmt-4.5.18-r1.ebuild
+++ b/sci-geosciences/gmt/gmt-4.5.18-r1.ebuild
@@ -13,7 +13,7 @@ SRC_URI="
 
 LICENSE="GPL-2+ gmttria? ( Artistic )"
 SLOT="0"
-KEYWORDS="~amd64 ~x86"
+KEYWORDS="~amd64 ~x86 ~arm ~arm64"
 IUSE="doc examples debug +gdal gmttria +gshhg htmldoc +metric mex +netcdf octave postscript tutorial"
 
 RDEPEND="
diff --git a/sci-geosciences/gmt/gmt-5.4.4.ebuild b/sci-geosciences/gmt/gmt-5.4.4.ebuild
index 6730d2f..8ebbcf6 100644
--- a/sci-geosciences/gmt/gmt-5.4.4.ebuild
+++ b/sci-geosciences/gmt/gmt-5.4.4.ebuild
@@ -11,7 +11,7 @@ SRC_URI="mirror://gmt/${P}-src.tar.xz"
 
 LICENSE="GPL-3+ gmttria? ( Artistic )"
 SLOT="5"
-KEYWORDS="~amd64 ~x86"
+KEYWORDS="~amd64 ~x86 ~arm ~arm64"
 IUSE="+dcw doc examples +fftw +gdal gmttria +gshhg htmldoc lapack multislot openmp pcre pcre2 threads tutorial"
 
 RDEPEND="
diff --git a/sci-geosciences/gshhg-gmt/gshhg-gmt-2.3.7.ebuild b/sci-geosciences/gshhg-gmt/gshhg-gmt-2.3.7.ebuild
index fa8f56a..9567817 100644
--- a/sci-geosciences/gshhg-gmt/gshhg-gmt-2.3.7.ebuild
+++ b/sci-geosciences/gshhg-gmt/gshhg-gmt-2.3.7.ebuild
@@ -9,7 +9,7 @@ SRC_URI="https://www.soest.hawaii.edu/pwessel/gshhg/${P}.tar.gz"
 
 LICENSE="LGPL-3+"
 SLOT="0"
-KEYWORDS="~amd64 ~x86 ~amd64-linux ~x86-linux"
+KEYWORDS="~amd64 ~x86 ~amd64-linux ~x86-linux ~arm ~arm64"
 IUSE=""
 
 RDEPEND=""