--- synapse/python_dependencies.py.orig 2019-01-10 17:51:27.362204447 +0100 +++ synapse/python_dependencies.py 2019-01-10 17:51:47.559224870 +0100 @@ -58,7 +58,7 @@ "six>=1.10", # prometheus_client 0.4.0 changed the format of counter metrics # (cf https://github.com/matrix-org/synapse/issues/4001) - "prometheus_client>=0.0.18,<0.4.0", + "prometheus_client>=0.0.18", # we use attr.s(slots), which arrived in 16.0.0 "attrs>=16.0.0", "netaddr>=0.7.18",