diff --git a/pkgs/development/python-modules/py-tes/default.nix b/pkgs/development/python-modules/py-tes/default.nix
index 1e3a65834f29..78fdd19276ea 100644
--- a/pkgs/development/python-modules/py-tes/default.nix
+++ b/pkgs/development/python-modules/py-tes/default.nix
@@ -3,7 +3,6 @@
   attrs,
   buildPythonPackage,
   fetchFromGitHub,
-  future,
   python-dateutil,
   pytestCheckHook,
   requests,
@@ -12,23 +11,22 @@
   sphinx-rtd-theme,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "py-tes";
-  version = "1.1.2";
+  version = "1.1.4";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "ohsu-comp-bio";
     repo = "py-tes";
-    tag = version;
-    hash = "sha256-hZF4koc/nZ8rBYKfhIQCLtn4DKiljJrSBgkKX8bMoQ0=";
+    tag = finalAttrs.version;
+    hash = "sha256-/xgycSDFp17rPzC6ICf4e+vrIKWYPftDngx/u1/KHWk=";
   };
 
   build-system = [ setuptools ];
 
   dependencies = [
     attrs
-    future
     python-dateutil
     requests
     sphinx-rtd-theme
@@ -49,8 +47,8 @@ buildPythonPackage rec {
   meta = {
     description = "Python SDK for the GA4GH Task Execution API";
     homepage = "https://github.com/ohsu-comp-bio/py-tes";
-    changelog = "https://github.com/ohsu-comp-bio/py-tes/releases/tag/${version}";
+    changelog = "https://github.com/ohsu-comp-bio/py-tes/releases/tag/${finalAttrs.src.tag}";
     license = lib.licenses.mit;
     maintainers = with lib.maintainers; [ fab ];
   };
-}
+})