diff --git a/pkgs/development/python-modules/astral/default.nix b/pkgs/development/python-modules/astral/default.nix
index fb1ec104aed6..1155d5746df3 100644
--- a/pkgs/development/python-modules/astral/default.nix
+++ b/pkgs/development/python-modules/astral/default.nix
@@ -2,18 +2,18 @@
 
 buildPythonPackage rec {
   pname = "astral";
-  version = "1.8";
+  version = "1.9.1";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1j4rzmm0im8997c7b64kfq099531qcxp6xzh0dhyb4f5176lqqkx";
+    sha256 = "5048d9cd57c746c7bcb6bb66274542d804c5a132ee5b88e9135d4e878221a119";
   };
 
   propagatedBuildInputs = [ pytz requests ];
 
   checkInputs = [ pytest ];
   checkPhase = ''
-    # https://github.com/sffjunkie/astral/pull/13
+    # https://github.com/sffjunkie/astral/pull/26
     touch src/test/.api_key
     py.test -m "not webtest"
   '';