diff --git a/pkgs/development/python-modules/awkward-cpp/default.nix b/pkgs/development/python-modules/awkward-cpp/default.nix
index 5dd902bcb968..70cd1d9615c3 100644
--- a/pkgs/development/python-modules/awkward-cpp/default.nix
+++ b/pkgs/development/python-modules/awkward-cpp/default.nix
@@ -12,14 +12,14 @@
 
 buildPythonPackage rec {
   pname = "awkward-cpp";
-  version = "21";
+  version = "22";
   format = "pyproject";
 
   disabled = pythonOlder "3.7";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-sobmPegDBI/4EvdpxrY28TsNO8vyLhuRsV9s+5WThR4=";
+    hash = "sha256-IWeWNvshz+NxX4ijIyaleRmThNstpKYplcMQUC1/6F8=";
   };
 
   nativeBuildInputs = [