diff --git a/pkgs/development/python-modules/json-stream-rs-tokenizer/default.nix b/pkgs/development/python-modules/json-stream-rs-tokenizer/default.nix
index e902151ff9ec..9b0f39700075 100644
--- a/pkgs/development/python-modules/json-stream-rs-tokenizer/default.nix
+++ b/pkgs/development/python-modules/json-stream-rs-tokenizer/default.nix
@@ -16,14 +16,14 @@
 
 buildPythonPackage rec {
   pname = "json-stream-rs-tokenizer";
-  version = "0.4.32";
+  version = "0.5.1";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "smheidrich";
     repo = "py-json-stream-rs-tokenizer";
     tag = "v${version}";
-    hash = "sha256-J68feE7C4I0zHmRjop7Pexx2ApkzUefz/lokYTINSiI=";
+    hash = "sha256-D18nMRyCDr2NGBkdo7Lq8gaaMiOXwZAob4DymZwFvW0=";
   };
 
   cargoDeps = rustPlatform.fetchCargoVendor {