diff --git a/pkgs/development/python-modules/srp/default.nix b/pkgs/development/python-modules/srp/default.nix
index 6c907d58a2a5..6ac658f7ef79 100644
--- a/pkgs/development/python-modules/srp/default.nix
+++ b/pkgs/development/python-modules/srp/default.nix
@@ -8,14 +8,14 @@
 
 buildPythonPackage rec {
   pname = "srp";
-  version = "1.0.20";
+  version = "1.0.21";
   format = "setuptools";
 
   disabled = pythonOlder "3.7";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-LbRTvc4mue6tNnp7V4MHTvgOhIK/MMAUCnuJg2oFRwc=";
+    hash = "sha256-hmgTvPUhGJoVY+bKMRK29U/fclpBCi2+u28NhLgqHx0=";
   };
 
   propagatedBuildInputs = [ six ];