1 files changed, 1 insertions, 1 deletions
diff --git a/setup.py b/setup.py
index 5942a67..cbe985e 100644
--- a/setup.py
+++ b/setup.py
@@ -21,7 +21,7 @@ extras_require = {
     "otverio2015": ["construct", "PYSCSI[sgio]>=2.0.1"],
     "otverioiq": ["construct", "pyserial"],
     "sdcodefree": ["construct", "pyserial"],
-    "td4277": ["construct", "pyserial", "hidapi"],
+    "td4277": ["construct", "pyserial[cp2110]>=3.5b0"],
     # These are not drivers, but rather tools and features.
     "reversing_tools": ["usbmon-tools"],
     "dev": [