diff --git a/synapse/config/server.py b/synapse/config/server.py
index 58a828cc4..d4c223f34 100644
--- a/synapse/config/server.py
+++ b/synapse/config/server.py
@@ -110,7 +110,7 @@ class ServerConfig(Config):
             with open(args.signing_key_path, "w") as signing_key_file:
                 syutil.crypto.signing_key.write_signing_keys(
                     signing_key_file,
-                    (syutil.crypto.signing_key.generate_singing_key("auto"),),
+                    (syutil.crypto.signing_key.generate_signing_key("auto"),),
                 )
         else:
             signing_keys = cls.read_file(args.signing_key_path, "signing_key")
diff --git a/synapse/python_dependencies.py b/synapse/python_dependencies.py
index 6b6d5508b..dac927d0a 100644
--- a/synapse/python_dependencies.py
+++ b/synapse/python_dependencies.py
@@ -4,7 +4,7 @@ from distutils.version import LooseVersion
 logger = logging.getLogger(__name__)
 
 REQUIREMENTS = {
-    "syutil>=0.0.3": ["syutil"],
+    "syutil>=0.0.4": ["syutil"],
     "Twisted==14.0.2": ["twisted==14.0.2"],
     "service_identity>=1.0.0": ["service_identity>=1.0.0"],
     "pyopenssl>=0.14": ["OpenSSL>=0.14"],
@@ -43,8 +43,8 @@ DEPENDENCY_LINKS = [
     ),
     github_link(
         project="matrix-org/syutil",
-        version="v0.0.3",
-        egg="syutil-0.0.3",
+        version="v0.0.4",
+        egg="syutil-0.0.4",
     ),
     github_link(
         project="matrix-org/matrix-angular-sdk",