diff --git a/dev-python/protobuf-python/protobuf-python-9999.ebuild b/dev-python/protobuf-python/protobuf-python-9999.ebuild
index 70f8435d637e8..9e9d34cbcc8a1 100644
--- a/dev-python/protobuf-python/protobuf-python-9999.ebuild
+++ b/dev-python/protobuf-python/protobuf-python-9999.ebuild
@@ -22,7 +22,7 @@ else
 fi
 
 LICENSE="BSD"
-SLOT="0/21"
+SLOT="0/22"
 KEYWORDS=""
 IUSE=""