diff --git a/pkgs/development/python-modules/manuel/default.nix b/pkgs/development/python-modules/manuel/default.nix
index 9ed315733071..c0040947488f 100644
--- a/pkgs/development/python-modules/manuel/default.nix
+++ b/pkgs/development/python-modules/manuel/default.nix
@@ -1,6 +1,8 @@
 { lib
 , buildPythonPackage
 , fetchPypi
+, fetchpatch
+, python
 , isPy27
 , six
 , zope_testing
@@ -16,6 +18,16 @@ buildPythonPackage rec {
     hash = "sha256-A5Wq32mR+SSseVz61Z2l3AYYcyqMxYrQ9HSWWrco9/Q=";
   };
 
+  patches = lib.optionals (lib.versionAtLeast python.version "3.11") [
+    # https://github.com/benji-york/manuel/pull/32
+    # Applying conditionally until upstream arrives at some general solution.
+    (fetchpatch {
+      name = "TextTestResult-python311.patch";
+      url = "https://github.com/benji-york/manuel/commit/d9f12d03e39bb76e4bb3ba43ad51af6d3e9d45c0.diff";
+      hash = "sha256-k0vBtxEixoI1INiKtc7Js3Ai00iGAcCvCFI1ZIBRPvQ=";
+    })
+  ];
+
   propagatedBuildInputs = [ six ];
   nativeCheckInputs = [ zope_testing ];