diff --git a/flake.nix b/flake.nix
index baba6d0..6a145b9 100644
--- a/flake.nix
+++ b/flake.nix
@@ -55,7 +55,7 @@
 
           # Base Python package set from pyproject.nix
           baseSet = pkgs.callPackage pyproject-nix.build.packages {
-            python = pkgs.python312;
+            python = pkgs.python313;
           };
 
           # An overlay of build fixups & test additions
@@ -113,7 +113,6 @@
                 };
               };
             });
-
           };
 
         in