diff --git a/pkgs/development/python-modules/hyperlink/default.nix b/pkgs/development/python-modules/hyperlink/default.nix
index bab7986eda2..6cb69a14e72 100644
--- a/pkgs/development/python-modules/hyperlink/default.nix
+++ b/pkgs/development/python-modules/hyperlink/default.nix
@@ -2,11 +2,11 @@
 
 buildPythonPackage rec {
   pname = "hyperlink";
-  version = "20.0.1";
+  version = "21.0.0";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "47fcc7cd339c6cb2444463ec3277bdcfe142c8b1daf2160bdd52248deec815af";
+    sha256 = "427af957daa58bc909471c6c40f74c5450fa123dd093fc53efd2e91d2705a56b";
   };
 
   propagatedBuildInputs = [ idna ]