diff --git a/pkgs/development/python-modules/jaraco_itertools/default.nix b/pkgs/development/python-modules/jaraco_itertools/default.nix
index 22376b7e0cfc..78bbf1a7ccf4 100644
--- a/pkgs/development/python-modules/jaraco_itertools/default.nix
+++ b/pkgs/development/python-modules/jaraco_itertools/default.nix
@@ -3,10 +3,10 @@
 
 buildPythonPackage rec {
   pname = "jaraco.itertools";
-  version = "3.0.0";
+  version = "4.0.0";
   src = fetchPypi {
     inherit pname version;
-    sha256 = "19d8557a25c08f7a7b8f1cfa456ebfd615bafa0f045f89bbda55f99661b0626d";
+    sha256 = "1d09zpi593bhr56rwm41kzffr18wif98plgy6xdy0zrbdwfarrxl";
   };
   doCheck = false;
   buildInputs = [ setuptools_scm ];