diff --git a/pkgs/development/python-modules/eth-abi/default.nix b/pkgs/development/python-modules/eth-abi/default.nix
index 13875854934e..4350c0851aab 100644
--- a/pkgs/development/python-modules/eth-abi/default.nix
+++ b/pkgs/development/python-modules/eth-abi/default.nix
@@ -35,6 +35,8 @@ buildPythonPackage rec {
     parsimonious
   ];
 
+  pythonRelaxDeps = [ "parsimonious" ];
+
   nativeCheckInputs = [
     hypothesis
     pytestCheckHook