diff --git a/pkgs/development/python-modules/pyatag/default.nix b/pkgs/development/python-modules/pyatag/default.nix
index 405c39398d5e..aecdc158573a 100644
--- a/pkgs/development/python-modules/pyatag/default.nix
+++ b/pkgs/development/python-modules/pyatag/default.nix
@@ -7,7 +7,7 @@
 
 buildPythonPackage rec {
   pname = "pyatag";
-  version = "3.5.1";
+  version = "0.3.7.1";
   format = "setuptools";
 
   disabled = pythonOlder "3.7";
@@ -16,7 +16,7 @@ buildPythonPackage rec {
     owner = "MatsNl";
     repo = "pyatag";
     rev = "refs/tags/${version}";
-    hash = "sha256-hyGos0LFVKv63jf1ODPFfk+R47oyHea+8MGvxeKpop8=";
+    hash = "sha256-3h9mpopTbEULCx7rcEt/I/ZnUA0L/fJ7Y3L5h/6EuC4=";
   };
 
   propagatedBuildInputs = [