diff --git a/pkgs/development/python-modules/awkward-cpp/default.nix b/pkgs/development/python-modules/awkward-cpp/default.nix
index 3609a1db67f5..0a034282eba1 100644
--- a/pkgs/development/python-modules/awkward-cpp/default.nix
+++ b/pkgs/development/python-modules/awkward-cpp/default.nix
@@ -11,14 +11,14 @@
 
 buildPythonPackage rec {
   pname = "awkward-cpp";
-  version = "9";
+  version = "15";
   format = "pyproject";
 
   disabled = pythonOlder "3.7";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-2xyRwh+IuJo5tGF27cZ6CLN/coPBai7VFZ48h0YTxho=";
+    sha256 = "f6c825db2db981f852903d9574a07015c5d53ef8e4630772f18c7f167045aa0d";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/development/python-modules/awkward/default.nix b/pkgs/development/python-modules/awkward/default.nix
index b7052b8f32dc..0279327da208 100644
--- a/pkgs/development/python-modules/awkward/default.nix
+++ b/pkgs/development/python-modules/awkward/default.nix
@@ -14,14 +14,14 @@
 
 buildPythonPackage rec {
   pname = "awkward";
-  version = "2.0.8";
+  version = "2.2.1";
   format = "pyproject";
 
   disabled = pythonOlder "3.7";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-MqV8KeE6KuO8HmrFNjeCW70ixChmlhY71Bod7ChKjuU=";
+    sha256 = "653e5b69f1c8e32d1d59445a8414d03f850d327eb933f45aad163f0778861dc2";
   };
 
   nativeBuildInputs = [