diff --git a/pkgs/development/python-modules/adal/default.nix b/pkgs/development/python-modules/adal/default.nix
index 45c256b6647b..e944248db17a 100644
--- a/pkgs/development/python-modules/adal/default.nix
+++ b/pkgs/development/python-modules/adal/default.nix
@@ -20,6 +20,10 @@ buildPythonPackage rec {
     hash = "sha256-HE8/P0aohoZNeMdcQVKdz6M31FMrjsd7oVytiaD0idI=";
   };
 
+  postPatch = ''
+    sed -i '/cryptography/d' setup.py
+  '';
+
   propagatedBuildInputs = [
     pyjwt
     python-dateutil