diff --git a/synapse/handlers/auth.py b/synapse/handlers/auth.py
index af602bee44..17465d2af6 100644
--- a/synapse/handlers/auth.py
+++ b/synapse/handlers/auth.py
@@ -319,9 +319,9 @@ class AuthHandler(BaseHandler):
 
     def generate_access_token(self, user_id):
         macaroon = pymacaroons.Macaroon(
-            location = self.hs.config.server_name,
-            identifier = "key",
-            key = self.hs.config.macaroon_secret_key)
+            location=self.hs.config.server_name,
+            identifier="key",
+            key=self.hs.config.macaroon_secret_key)
         macaroon.add_first_party_caveat("gen = 1")
         macaroon.add_first_party_caveat("user_id = %s" % (user_id,))
         macaroon.add_first_party_caveat("type = access")
diff --git a/synapse/python_dependencies.py b/synapse/python_dependencies.py
index fa24199377..a87fdeb2a0 100644
--- a/synapse/python_dependencies.py
+++ b/synapse/python_dependencies.py
@@ -24,7 +24,7 @@ REQUIREMENTS = {
     "pyopenssl>=0.14": ["OpenSSL>=0.14"],
     "pyyaml": ["yaml"],
     "pyasn1": ["pyasn1"],
-    "pynacl>=0.0.3": ["nacl>=0.0.3"],
+    "pynacl>=0.3.0": ["nacl>=0.3.0"],
     "daemonize": ["daemonize"],
     "py-bcrypt": ["bcrypt"],
     "frozendict>=0.4": ["frozendict"],