diff --git a/pkgs/development/python-modules/awkward-cpp/default.nix b/pkgs/development/python-modules/awkward-cpp/default.nix
index 0437f48df198..3090cee91701 100644
--- a/pkgs/development/python-modules/awkward-cpp/default.nix
+++ b/pkgs/development/python-modules/awkward-cpp/default.nix
@@ -15,13 +15,14 @@
 
 buildPythonPackage (finalAttrs: {
   pname = "awkward-cpp";
-  version = "52";
+  version = "53";
   pyproject = true;
+  __structuredAttrs = true;
 
   src = fetchPypi {
     pname = "awkward_cpp";
     inherit (finalAttrs) version;
-    hash = "sha256-7xQesgVE3yYblzyYbPrle+MpAiBhvoaBdQat1nZZcnU=";
+    hash = "sha256-pHjSt943VGdClGF+Er1tsQ/OaR6Y9d8kjWZdoJPNT/o=";
   };
 
   build-system = [
diff --git a/pkgs/development/python-modules/awkward/default.nix b/pkgs/development/python-modules/awkward/default.nix
index 4287184b7408..fb51ff1dcc6a 100644
--- a/pkgs/development/python-modules/awkward/default.nix
+++ b/pkgs/development/python-modules/awkward/default.nix
@@ -24,14 +24,15 @@
 
 buildPythonPackage (finalAttrs: {
   pname = "awkward";
-  version = "2.9.0";
+  version = "2.9.1";
   pyproject = true;
+  __structuredAttrs = true;
 
   src = fetchFromGitHub {
     owner = "scikit-hep";
     repo = "awkward";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-ovbhCPTNxyfL7tkvBCiHF0kZt0l0oMSpdsE4E9S4JJY=";
+    hash = "sha256-TNXsYZFL60jELed40b1hB8Rk43gcLbCwzzXc3fABu5k=";
   };
 
   build-system = [