diff --git a/pkgs/development/haskell-modules/configuration-common.nix b/pkgs/development/haskell-modules/configuration-common.nix
index 2c3fe3754e2b..98c0e7119adc 100644
--- a/pkgs/development/haskell-modules/configuration-common.nix
+++ b/pkgs/development/haskell-modules/configuration-common.nix
@@ -3106,4 +3106,10 @@ self: super: {
     }
   ) super.push-notify-apn;
 
+  # Python 3.12 breaks unicode C-API. Requires an upstream fix in the CPython
+  # package to support Python > 3.12 API. Thus, should be removed at next CPython
+  # Hackage release.
+  cpython = super.cpython.override {
+    python3 = pkgs.python311;
+  };
 } // import ./configuration-tensorflow.nix {inherit pkgs haskellLib;} self super