diff --git a/pkgs/development/python-modules/tyro/default.nix b/pkgs/development/python-modules/tyro/default.nix
index 82c71552339d..c7e5298da2a8 100644
--- a/pkgs/development/python-modules/tyro/default.nix
+++ b/pkgs/development/python-modules/tyro/default.nix
@@ -2,6 +2,7 @@
   lib,
   buildPythonPackage,
   fetchFromGitHub,
+  pythonAtLeast,
 
   # build-system
   hatchling,
@@ -23,18 +24,19 @@
   pydantic,
   pytestCheckHook,
   torch,
+  universal-pathlib,
 }:
 
 buildPythonPackage rec {
   pname = "tyro";
-  version = "1.0.5";
+  version = "1.0.8";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "brentyi";
     repo = "tyro";
     tag = "v${version}";
-    hash = "sha256-/6z3XDN5WdVPVfA1LckpIAUis3dNOwg5hobR2sHlocA=";
+    hash = "sha256-GTgbzGIIZrkMUgjqMWZVXRVhp9mcxfnDQ/dRApotjww=";
   };
 
   build-system = [ hatchling ];
@@ -57,6 +59,20 @@ buildPythonPackage rec {
     pydantic
     pytestCheckHook
     torch
+    universal-pathlib
+  ];
+
+  disabledTests = lib.optionals (pythonAtLeast "3.13") [
+    # Bash path completion relies on the programmable-completion builtin `compgen`,
+    # which is unavailable in the stdenv build shell.
+    "test_bash_path_completion_marker"
+
+    # In Nix builds, the long `python -m pytest` argv[0] path gets line-wrapped in
+    # argparse error output, splitting `class-b` and `)` so this literal-match fails.
+    "test_similar_arguments_subcommands_multiple_contains_match"
+
+    # Same wrapped-output literal-match issue as above for the cascading-args variant.
+    "test_similar_arguments_subcommands_multiple_contains_match_cascading"
   ];
 
   pythonImportsCheck = [ "tyro" ];