diff --git a/dev-tex/pgf/pgf-3.1.9a.ebuild b/dev-tex/pgf/pgf-3.1.9a.ebuild
index 02e87d3a3e947..fa8f545997c56 100644
--- a/dev-tex/pgf/pgf-3.1.9a.ebuild
+++ b/dev-tex/pgf/pgf-3.1.9a.ebuild
@@ -13,7 +13,7 @@ SRC_URI=" https://github.com/pgf-tikz/pgf/archive/${PV}.tar.gz -> ${P}.tar.gz
 
 LICENSE="GPL-2 LPPL-1.3c FDL-1.2"
 SLOT="0"
-KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~sparc-solaris ~x64-solaris ~x86-solaris"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~sparc-solaris ~x64-solaris ~x86-solaris"
 IUSE="doc source"
 
 RDEPEND="dev-texlive/texlive-latexrecommended"