diff --git a/pkgs/development/python-modules/asdf-standard/default.nix b/pkgs/development/python-modules/asdf-standard/default.nix
index 15c8191a8465..a5eef1142cd4 100644
--- a/pkgs/development/python-modules/asdf-standard/default.nix
+++ b/pkgs/development/python-modules/asdf-standard/default.nix
@@ -9,7 +9,7 @@
 
 buildPythonPackage rec {
   pname = "asdf-standard";
-  version = "1.1.1";
+  version = "1.2.0";
   format = "pyproject";
 
   disabled = pythonOlder "3.7";
@@ -17,7 +17,7 @@ buildPythonPackage rec {
   src = fetchPypi {
     pname = "asdf_standard";
     inherit version;
-    hash = "sha256-AVNbwrFb/AnsimLUmZ+c8y3EnccWYMhCVkAij9h3YQI=";
+    hash = "sha256-5wmRL68L4vWEOiOvJzHm927WwnmynfWYnhUgmS+jxc8=";
   };
 
   nativeBuildInputs = [ setuptools-scm ];