diff --git a/pkgs/development/python-modules/http-sf/default.nix b/pkgs/development/python-modules/http-sf/default.nix
index 3ac2f394c719..48b9e3278959 100644
--- a/pkgs/development/python-modules/http-sf/default.nix
+++ b/pkgs/development/python-modules/http-sf/default.nix
@@ -6,16 +6,16 @@
   typing-extensions,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "http-sf";
-  version = "1.0.7";
+  version = "1.1.1";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "mnot";
     repo = "http-sf";
-    tag = "v${version}";
-    hash = "sha256-V/ZwThTNMqnqvgOs7c4JVjvGCTU15ryzTIMX2T4hUQE=";
+    tag = "v${finalAttrs.version}";
+    hash = "sha256-yR1/X3brPgZhjmssShAaKDmmC3HW7AUByjYue9AcU4k=";
   };
 
   build-system = [ setuptools ];
@@ -30,8 +30,8 @@ buildPythonPackage rec {
   meta = {
     description = "Module to parse and serialise HTTP structured field values";
     homepage = "https://github.com/mnot/http-sf";
-    changelog = "https://github.com/mnot/http-sf/releases/tag/${src.tag}";
+    changelog = "https://github.com/mnot/http-sf/releases/tag/${finalAttrs.src.tag}";
     license = lib.licenses.mit;
     maintainers = with lib.maintainers; [ fab ];
   };
-}
+})