diff --git a/pkgs/development/python-modules/cached-property/default.nix b/pkgs/development/python-modules/cached-property/default.nix
index 5daa505429ed..924ce07c8e78 100644
--- a/pkgs/development/python-modules/cached-property/default.nix
+++ b/pkgs/development/python-modules/cached-property/default.nix
@@ -7,15 +7,14 @@
 
 buildPythonPackage rec {
   pname = "cached-property";
-  version = "1.4.0";
+  version = "1.4.2";
 
   # conftest.py is missing in PyPI tarball
-  # https://github.com/pydanny/cached-property/pull/87
   src = fetchFromGitHub {
     owner = "pydanny";
     repo = pname;
     rev = version;
-    sha256 = "0w7709grs4yqhfbnn7lva2fgyphvh43xcfqhi95lhh8sjad3xwkw";
+    sha256 = "0gjmgfilhljkx2b60cjikwh55jg2jwxhwi8hgkrzdnzk465ywhrw";
   };
 
   checkInputs = [ pytest freezegun ];