1 files changed, 3 insertions, 2 deletions
diff --git a/synapse/python_dependencies.py b/synapse/python_dependencies.py
index 942d7c721f..0d8de600cf 100644
--- a/synapse/python_dependencies.py
+++ b/synapse/python_dependencies.py
@@ -40,9 +40,10 @@ REQUIREMENTS = {
     "pynacl>=1.2.1": ["nacl>=1.2.1", "nacl.bindings"],
     "service_identity>=1.0.0": ["service_identity>=1.0.0"],
     "Twisted>=17.1.0": ["twisted>=17.1.0"],
+    "treq>=15.1": ["treq>=15.1"],
 
-    # We use crypto.get_elliptic_curve which is only supported in >=0.15
-    "pyopenssl>=0.15": ["OpenSSL>=0.15"],
+    # Twisted has required pyopenssl 16.0 since about Twisted 16.6.
+    "pyopenssl>=16.0.0": ["OpenSSL>=16.0.0"],
 
     "pyyaml": ["yaml"],
     "pyasn1": ["pyasn1"],