diff --git a/pkgs/development/python-modules/trezor_agent/default.nix b/pkgs/development/python-modules/trezor_agent/default.nix
index cef74c8636b7..41ae2e276185 100644
--- a/pkgs/development/python-modules/trezor_agent/default.nix
+++ b/pkgs/development/python-modules/trezor_agent/default.nix
@@ -24,6 +24,12 @@ buildPythonPackage rec {
 
   propagatedBuildInputs = [ setuptools trezor libagent ecdsa ed25519 mnemonic keepkey semver wheel pinentry ];
 
+  # relax dependency constraint
+  postPatch = ''
+    substituteInPlace setup.py \
+      --replace "trezor[hidapi]>=0.12.0,<0.13" "trezor[hidapi]>=0.12.0,<0.14"
+  '';
+
   doCheck = false;
   pythonImportsCheck = [ "libagent" ];