diff --git a/pkgs/development/python-modules/check-manifest/default.nix b/pkgs/development/python-modules/check-manifest/default.nix
index 3de542a8bb0c..a4e396780aad 100644
--- a/pkgs/development/python-modules/check-manifest/default.nix
+++ b/pkgs/development/python-modules/check-manifest/default.nix
@@ -2,11 +2,11 @@
 
 buildPythonPackage rec {
   pname = "check-manifest";
-  version = "0.40";
+  version = "0.42";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "42de6eaab4ed149e60c9b367ada54f01a3b1e4d6846784f9b9710e770ff5572c";
+    sha256 = "0d8e1b0944a667dd4a75274f6763e558f0d268fde2c725e894dfd152aae23300";
   };
 
   propagatedBuildInputs = [ toml ];