diff --git a/dev-libs/protobuf/protobuf-9999.ebuild b/dev-libs/protobuf/protobuf-9999.ebuild
index c30e4aa6d4643..f11f901531580 100644
--- a/dev-libs/protobuf/protobuf-9999.ebuild
+++ b/dev-libs/protobuf/protobuf-9999.ebuild
@@ -21,7 +21,7 @@ else
 fi
 
 LICENSE="BSD"
-SLOT="0/24"
+SLOT="0/25"
 KEYWORDS=""
 IUSE="emacs examples static-libs test zlib"
 RESTRICT="!test? ( test )"