diff --git a/pkgs/development/python-modules/cached-property/default.nix b/pkgs/development/python-modules/cached-property/default.nix
index 924ce07c8e7..3a3e6d1e6dd 100644
--- a/pkgs/development/python-modules/cached-property/default.nix
+++ b/pkgs/development/python-modules/cached-property/default.nix
@@ -7,20 +7,21 @@
 
 buildPythonPackage rec {
   pname = "cached-property";
-  version = "1.4.2";
+  version = "1.5.1";
 
   # conftest.py is missing in PyPI tarball
   src = fetchFromGitHub {
     owner = "pydanny";
     repo = pname;
     rev = version;
-    sha256 = "0gjmgfilhljkx2b60cjikwh55jg2jwxhwi8hgkrzdnzk465ywhrw";
+    sha256 = "0xh0pwmiikx0il9nnfyf034ydmlw6992s0d209agd9j5d3s2k5q6";
   };
 
   checkInputs = [ pytest freezegun ];
 
+  # https://github.com/pydanny/cached-property/issues/131
   checkPhase = ''
-    py.test
+    py.test -k "not test_threads_ttl_expiry"
   '';
 
   meta = {