1 files changed, 1 insertions, 3 deletions
diff --git a/synapse/python_dependencies.py b/synapse/python_dependencies.py
index e7618057be..c6465c0386 100644
--- a/synapse/python_dependencies.py
+++ b/synapse/python_dependencies.py
@@ -65,9 +65,7 @@ REQUIREMENTS = [
     "msgpack>=0.5.2",
     "phonenumbers>=8.2.0",
     "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,<0.8.0",
     # we use attr.s(slots), which arrived in 16.0.0
     # Twisted 18.7.0 requires attrs>=17.4.0
     "attrs>=17.4.0",