diff --git a/pkgs/development/python-modules/awkward-cpp/default.nix b/pkgs/development/python-modules/awkward-cpp/default.nix
index a01f4a7c99f6..38478f56864b 100644
--- a/pkgs/development/python-modules/awkward-cpp/default.nix
+++ b/pkgs/development/python-modules/awkward-cpp/default.nix
@@ -11,13 +11,13 @@
 
 buildPythonPackage rec {
   pname = "awkward-cpp";
-  version = "46";
+  version = "47";
   pyproject = true;
 
   src = fetchPypi {
     pname = "awkward_cpp";
     inherit version;
-    hash = "sha256-uCvstlozKAxsJzNu5cA3xbfjlL5SVlqjHgh8pUrc5Z4=";
+    hash = "sha256-Z2z0l2gQ7asyGH7fWopxavlQR7kDjJbSfTvkTxMxlQ8=";
   };
 
   build-system = [
diff --git a/pkgs/development/python-modules/awkward/default.nix b/pkgs/development/python-modules/awkward/default.nix
index 486f5da6d8bb..60fffc48ea07 100644
--- a/pkgs/development/python-modules/awkward/default.nix
+++ b/pkgs/development/python-modules/awkward/default.nix
@@ -24,14 +24,14 @@
 
 buildPythonPackage rec {
   pname = "awkward";
-  version = "2.8.4";
+  version = "2.8.5";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "scikit-hep";
     repo = "awkward";
     tag = "v${version}";
-    hash = "sha256-btW4y3lSwHRgoM7B7KVzJ2h8CQdZYNUwqSRIYZfK0Hg=";
+    hash = "sha256-vcVJ9dLiZ3wfZU989slefSJoD2hKlRCwxRALvRGLZPA=";
   };
 
   build-system = [