diff --git a/pkgs/development/python-modules/oletools/default.nix b/pkgs/development/python-modules/oletools/default.nix
index 54c5c6c165b2..76019730eb70 100644
--- a/pkgs/development/python-modules/oletools/default.nix
+++ b/pkgs/development/python-modules/oletools/default.nix
@@ -39,6 +39,11 @@ buildPythonPackage rec {
     pytestCheckHook
   ];
 
+  postPatch = ''
+    substituteInPlace setup.py \
+      --replace "pyparsing>=2.1.0,<3" "pyparsing>=2.1.0"
+  '';
+
   disabledTests = [
     # Test fails with AssertionError: Tuples differ: ('MS Word 2007+...
     "test_all"