diff --git a/dev-embedded/esptool/esptool-2.1.ebuild b/dev-embedded/esptool/esptool-2.1.ebuild
index e36fcf89c7edd..21ddbca54e203 100644
--- a/dev-embedded/esptool/esptool-2.1.ebuild
+++ b/dev-embedded/esptool/esptool-2.1.ebuild
@@ -13,7 +13,7 @@ SRC_URI="mirror://pypi/${PN:0:1}/${PN}/${P}.tar.gz"
 
 LICENSE="GPL-2+"
 SLOT="0"
-KEYWORDS="amd64 ~x86"
+KEYWORDS="amd64 ~arm ~x86"
 IUSE=""
 
 DEPEND="dev-python/setuptools[${PYTHON_USEDEP}]"