diff --git a/dev-libs/protobuf/protobuf-22.5-r1.ebuild b/dev-libs/protobuf/protobuf-22.5-r1.ebuild
index 047dddcdea677..cd3d12dbea095 100644
--- a/dev-libs/protobuf/protobuf-22.5-r1.ebuild
+++ b/dev-libs/protobuf/protobuf-22.5-r1.ebuild
@@ -83,6 +83,11 @@ src_compile() {
 	fi
 }
 
+src_test() {
+	local -x srcdir="${S}"/src
+	cmake-multilib_src_test
+}
+
 multilib_src_install_all() {
 	find "${ED}" -name "*.la" -delete || die
 
diff --git a/dev-libs/protobuf/protobuf-23.3-r3.ebuild b/dev-libs/protobuf/protobuf-23.3-r3.ebuild
index e629850b71ed3..6ef5f8f482f10 100644
--- a/dev-libs/protobuf/protobuf-23.3-r3.ebuild
+++ b/dev-libs/protobuf/protobuf-23.3-r3.ebuild
@@ -74,6 +74,11 @@ src_compile() {
 	fi
 }
 
+src_test() {
+	local -x srcdir="${S}"/src
+	cmake-multilib_src_test
+}
+
 multilib_src_install_all() {
 	find "${ED}" -name "*.la" -delete || die
 
diff --git a/dev-libs/protobuf/protobuf-26.1-r1.ebuild b/dev-libs/protobuf/protobuf-26.1-r1.ebuild
index b98e219098fdb..534834edca751 100644
--- a/dev-libs/protobuf/protobuf-26.1-r1.ebuild
+++ b/dev-libs/protobuf/protobuf-26.1-r1.ebuild
@@ -72,6 +72,11 @@ src_compile() {
 	fi
 }
 
+src_test() {
+	local -x srcdir="${S}"/src
+	cmake-multilib_src_test
+}
+
 multilib_src_install_all() {
 	find "${ED}" -name "*.la" -delete || die