diff --git a/synapse/__init__.py b/synapse/__init__.py
index 5bc24863d9..0c01546789 100644
--- a/synapse/__init__.py
+++ b/synapse/__init__.py
@@ -17,6 +17,13 @@
""" This is a reference implementation of a Matrix home server.
"""
+import sys
+
+# Check that we're not running on an unsupported Python version.
+if sys.version_info < (3, 5):
+ print("Synapse requires Python 3.5 or above.")
+ sys.exit(1)
+
try:
from twisted.internet import protocol
from twisted.internet.protocol import Factory
diff --git a/synapse/python_dependencies.py b/synapse/python_dependencies.py
index 7dfa78dadb..11ace2bfb1 100644
--- a/synapse/python_dependencies.py
+++ b/synapse/python_dependencies.py
@@ -44,7 +44,7 @@ REQUIREMENTS = [
"canonicaljson>=1.1.3",
"signedjson>=1.0.0",
"pynacl>=1.2.1",
- "idna>=2",
+ "idna>=2.5",
# validating SSL certs for IP addresses requires service_identity 18.1.
"service_identity>=18.1.0",
@@ -65,7 +65,7 @@ REQUIREMENTS = [
"sortedcontainers>=1.4.4",
"psutil>=2.0.0",
"pymacaroons>=0.13.0",
- "msgpack>=0.5.0",
+ "msgpack>=0.5.2",
"phonenumbers>=8.2.0",
"six>=1.10",
# prometheus_client 0.4.0 changed the format of counter metrics
|
