diff --git a/pkgs/development/python-modules/devtools/default.nix b/pkgs/development/python-modules/devtools/default.nix
index 98f446315d91..5d4f0871bf78 100644
--- a/pkgs/development/python-modules/devtools/default.nix
+++ b/pkgs/development/python-modules/devtools/default.nix
@@ -37,6 +37,8 @@ buildPythonPackage rec {
   disabledTests = [
     # Test for Windows32
     "test_print_subprocess"
+    # sensitive to timing
+    "test_multiple_not_verbose"
   ];
 
   pythonImportsCheck = [