diff --git a/dev-python/aiohttp/aiohttp-3.13.2.ebuild b/dev-python/aiohttp/aiohttp-3.13.2.ebuild
index f3bd2aa38515d..6c92212802b90 100644
--- a/dev-python/aiohttp/aiohttp-3.13.2.ebuild
+++ b/dev-python/aiohttp/aiohttp-3.13.2.ebuild
@@ -18,7 +18,7 @@ HOMEPAGE="
 
 LICENSE="Apache-2.0"
 SLOT="0"
-KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~loong ~mips ~ppc ~ppc64 ~riscv ~x86"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~loong ~mips ~ppc ~ppc64 ~riscv ~s390 ~x86"
 IUSE="+native-extensions test-rust"
 
 DEPEND="