diff --git a/pkgs/development/python-modules/pydevd/default.nix b/pkgs/development/python-modules/pydevd/default.nix
index 47280989ba08..8e7bda0f9008 100644
--- a/pkgs/development/python-modules/pydevd/default.nix
+++ b/pkgs/development/python-modules/pydevd/default.nix
@@ -10,25 +10,25 @@
   pytest-xdist,
   pytestCheckHook,
   pythonAtLeast,
-  pythonOlder,
   trio,
   untangle,
 }:
 
 buildPythonPackage rec {
   pname = "pydevd";
-  version = "3.3.0";
+  version = "3.4.1";
   pyproject = true;
 
-  disabled = pythonOlder "3.8";
-
   src = fetchFromGitHub {
     owner = "fabioz";
     repo = "PyDev.Debugger";
-    rev = "pydev_debugger_${lib.replaceStrings [ "." ] [ "_" ] version}";
-    hash = "sha256-V5pM0xnMFnpR1oK0purHFCV3wu+4fOmd72kmy7pVeyk=";
+    tag = "pydev_debugger_${lib.replaceStrings [ "." ] [ "_" ] version}";
+    hash = "sha256-srcYeN4IsnX/B0AWLynr62UC5o+DcjnUrGjcTpvHTCM=";
   };
 
+  # https://github.com/fabioz/PyDev.Debugger/issues/316
+  disabled = pythonAtLeast "3.14";
+
   postPatch = ''
     sed -i '/addopts/d' pytest.ini
   '';
@@ -49,6 +49,10 @@ buildPythonPackage rec {
     untangle
   ];
 
+  enabledTestPaths = [
+    "tests/"
+  ];
+
   disabledTests = [
     # Require network connection
     "test_completion_sockets_and_messages"