diff --git a/pkgs/development/python-modules/pylsp-mypy/default.nix b/pkgs/development/python-modules/pylsp-mypy/default.nix
index a2504e4bbc9d..dbb35d71c5dd 100644
--- a/pkgs/development/python-modules/pylsp-mypy/default.nix
+++ b/pkgs/development/python-modules/pylsp-mypy/default.nix
@@ -1,6 +1,7 @@
 { lib
 , buildPythonPackage
 , fetchFromGitHub
+, fetchpatch
 , mypy
 , pytestCheckHook
 , python-lsp-server
@@ -22,6 +23,14 @@ buildPythonPackage rec {
     hash = "sha256-fZ2bPPjBK/H2jMI4S3EhvWJaNl4tK7HstxcHSAkoFW4=";
   };
 
+  patches = [
+    (fetchpatch {
+      name = "0001-adapt-test-to-latest-mypy.patch";
+      url = "https://github.com/python-lsp/pylsp-mypy/commit/99cf687798464f810b128881dbbec82aa5353e04.patch";
+      sha256 = "sha256-wLaGMaW/gTab2fX7zGnemLQQNDWxBURYb7VsgEas61Y=";
+    })
+  ];
+
   propagatedBuildInputs = [
     mypy
     python-lsp-server