diff --git a/pkgs/development/python-modules/zstd/default.nix b/pkgs/development/python-modules/zstd/default.nix
index d528f423972cd..bc233a6555b7c 100644
--- a/pkgs/development/python-modules/zstd/default.nix
+++ b/pkgs/development/python-modules/zstd/default.nix
@@ -1,14 +1,19 @@
-{ lib, pkg-config, fetchPypi, buildPythonPackage
+{ lib
+, pkg-config
+, fetchPypi
+, buildPythonPackage
 , buildPackages
-, zstd, pytest }:
+, zstd
+, pytest
+}:
 
 buildPythonPackage rec {
   pname = "zstd";
-  version = "1.5.4.0";
+  version = "1.5.5.1";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-oNEd9wqXhSk0G1duaaTwsqI+dGaG4k+bkCYKM85JBC0=";
+    hash = "sha256-HvmAq/Dh4HKwKNLXbvlbR2YyZRyWIlzzC2Gcbu9iVnI=";
   };
 
   postPatch = ''