diff --git a/pkgs/development/python-modules/fastecdsa/default.nix b/pkgs/development/python-modules/fastecdsa/default.nix
index 04d9da87c5c1..8d104a889a01 100644
--- a/pkgs/development/python-modules/fastecdsa/default.nix
+++ b/pkgs/development/python-modules/fastecdsa/default.nix
@@ -7,11 +7,11 @@
 
 buildPythonPackage rec {
   pname = "fastecdsa";
-  version = "2.1.5";
+  version = "2.2.1";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "d0772f7fe243e8a82d33e95c542ea6cc0ef7f3cfcced7440d6defa71a35addfa";
+    sha256 = "48d59fcd18d0892a6b76463d4c98caa217975414f6d853af7cfcbbb0284cb52d";
   };
 
   buildInputs = [ gmp ];