diff --git a/setup.py b/setup.py
index 2c413a6..73dd899 100644
--- a/setup.py
+++ b/setup.py
@@ -24,7 +24,11 @@ setup(name="magic-wormhole",
                      "wormhole-server = wormhole_server.runner:entry",
                      ]},
       install_requires=["spake2==0.3", "pynacl", "requests", "argparse",
-                        "six", "twisted >= 16.1.0", "hkdf"],
+                        "six", "twisted >= 16.1.0", "hkdf",
+                        "autobahn[twisted]", "pytrie",
+                        # autobahn seems to have a bug, and one plugin throws
+                        # errors unless pytrie is installed
+                        ],
       extras_require={"tor": ["txtorcon", "ipaddr"]},
       test_suite="wormhole.test",
       cmdclass=commands,