diff --git a/sdk_container/src/third_party/portage-stable/dev-libs/protobuf/protobuf-23.3-r2.ebuild b/sdk_container/src/third_party/portage-stable/dev-libs/protobuf/protobuf-23.3-r2.ebuild
index 0007fbe3cb..c9721bfd61 100644
--- a/sdk_container/src/third_party/portage-stable/dev-libs/protobuf/protobuf-23.3-r2.ebuild
+++ b/sdk_container/src/third_party/portage-stable/dev-libs/protobuf/protobuf-23.3-r2.ebuild
@@ -12,7 +12,7 @@ if [[ "${PV}" == *9999 ]]; then
 	EGIT_SUBMODULES=()
 else
 	SRC_URI="https://github.com/protocolbuffers/protobuf/archive/v${PV}.tar.gz -> ${P}.tar.gz"
-	KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~loong ~mips ~ppc64 ~riscv ~x86 ~amd64-linux ~x86-linux ~x64-macos"
+	KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~loong ~mips ~ppc64 ~riscv ~sparc ~x86 ~amd64-linux ~x86-linux ~x64-macos"
 fi
 
 DESCRIPTION="Google's Protocol Buffers - Extensible mechanism for serializing structured data"