diff --git a/pkgs/development/python-modules/ddt/default.nix b/pkgs/development/python-modules/ddt/default.nix
index 4766d04c1f3..11d32adf3bf 100644
--- a/pkgs/development/python-modules/ddt/default.nix
+++ b/pkgs/development/python-modules/ddt/default.nix
@@ -1,7 +1,6 @@
 { lib
 , buildPythonPackage
 , fetchPypi
-, fetchpatch
 , six, pyyaml, mock
 , pytestCheckHook
 , enum34
@@ -10,21 +9,13 @@
 
 buildPythonPackage rec {
   pname = "ddt";
-  version = "1.4.1";
+  version = "1.4.2";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "0595e70d074e5777771a45709e99e9d215552fb1076443a25fad6b23d8bf38da";
+    sha256 = "sha256-ZKZzZqJxXmNriGlMxgdcwC2ykvAQmLjjhTl8iU05U3g=";
   };
 
-  patches = [
-    # fix tests with recent PyYAML, https://github.com/datadriventests/ddt/pull/96
-    (fetchpatch {
-      url = "https://github.com/datadriventests/ddt/commit/97f0a2315736e50f1b34a015447cd751da66ecb6.patch";
-      sha256 = "1g7l5h7m7s4yqfxlygrg7nnhb9xhz1drjld64ssi3fbsmn7klf0a";
-    })
-  ];
-
   checkInputs = [ six pyyaml mock pytestCheckHook ];
 
   propagatedBuildInputs = lib.optionals (!isPy3k) [