diff --git a/pkgs/development/python-modules/virtualenv/default.nix b/pkgs/development/python-modules/virtualenv/default.nix
index f0b365761f6c..e86ec5fa7da7 100644
--- a/pkgs/development/python-modules/virtualenv/default.nix
+++ b/pkgs/development/python-modules/virtualenv/default.nix
@@ -23,11 +23,12 @@
 
 buildPythonPackage rec {
   pname = "virtualenv";
-  version = "20.16.5";
+  version = "20.17.1";
+  format = "setuptools";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "sha256-In6huZlP3F6jGXe6M4PvKW10cuqFvp1nMuQqkcBOgNo=";
+    hash = "sha256-+LknaE78bxzCBsnbKXpXCrmtDlHBb6nkVIfTbRkFwFg=";
   };
 
   nativeBuildInputs = [