diff --git a/pkgs/development/python-modules/qcs-sdk-python/default.nix b/pkgs/development/python-modules/qcs-sdk-python/default.nix
index bded61ec97cd..208ee5f1fa7b 100644
--- a/pkgs/development/python-modules/qcs-sdk-python/default.nix
+++ b/pkgs/development/python-modules/qcs-sdk-python/default.nix
@@ -1,8 +1,8 @@
 {
   lib,
-  stdenv,
   buildPythonPackage,
   fetchFromGitHub,
+  gitUpdater,
   opentelemetry-api,
   opentelemetry-sdk,
   pytest-asyncio,
@@ -11,25 +11,24 @@
   qcs-api-client-common,
   quil,
   rustPlatform,
-  libiconv,
   syrupy,
 }:
 
 buildPythonPackage rec {
   pname = "qcs-sdk-python";
-  version = "0.21.18";
+  version = "0.21.19";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "rigetti";
     repo = "qcs-sdk-rust";
     tag = "python/v${version}";
-    hash = "sha256-uN9SQnQR5y4gyJeQI5H04hT1OL1ZQBwCdz8GkNMMTLY=";
+    hash = "sha256-116+DbsvLBNWjyeGcm3+zrmY9HKWONii2Me0XjEGACo=";
   };
 
   cargoDeps = rustPlatform.fetchCargoVendor {
     inherit pname version src;
-    hash = "sha256-PqQMG8RKF8Koz796AeoG/X9SeL1TruwOVPqwfKuq984=";
+    hash = "sha256-+F7PRBg73GFSeUCmt5NWa+gBhuZU5J7F5TGqRJKqwGc=";
   };
 
   buildAndTestSubdir = "crates/python";
@@ -48,10 +47,6 @@ buildPythonPackage rec {
     tracing-opentelemetry = [ opentelemetry-api ];
   };
 
-  buildInputs = lib.optionals stdenv.hostPlatform.isDarwin [
-    libiconv
-  ];
-
   nativeCheckInputs = [
     opentelemetry-sdk
     pytest-asyncio
@@ -72,6 +67,10 @@ buildPythonPackage rec {
     "test_qvm_tracing"
   ];
 
+  passthru.updateScript = gitUpdater {
+    rev-prefix = "python/v";
+  };
+
   meta = {
     changelog = "https://github.com/rigetti/qcs-sdk-rust/blob/${src.tag}/crates/python/CHANGELOG.md";
     description = "Python interface for the QCS Rust SDK";