@@ -7,7 +7,7 @@ msgpack>=0.5.6
sortedcontainers
uvloop>=0.14.0
grpcio-tools>=1.33.2
-protobuf>=3.20.3
+protobuf>=3.20.3,<4.0.0
configargparse>=1.2.3
multiaddr>=0.0.9
pymultihash>=0.8.2