diff --git a/flake.nix b/flake.nix
index 909bdf5..5667f33 100644
--- a/flake.nix
+++ b/flake.nix
@@ -31,7 +31,7 @@
     devShells.${system} = {
       default = let
         pkgs = nixpkgs.legacyPackages.${system};
-        pythonEnv = pkgs.python38.withPackages (pypkgs: with pypkgs; [ flask black pytest ]);
+        pythonEnv = pkgs.python3.withPackages (pypkgs: with pypkgs; [ flask black pytest ]);
       in pkgs.mkShell {
         packages = [
           pythonEnv
@@ -46,11 +46,11 @@
     };
 
     overlays.default = final: prev: {
-      intake = final.python38Packages.buildPythonPackage {
+      intake = final.python3Packages.buildPythonPackage {
         name = "intake";
         src = builtins.path { path = ./.; name = "intake"; };
         format = "pyproject";
-        propagatedBuildInputs = with final.python38Packages; [ flask setuptools ];
+        propagatedBuildInputs = with final.python3Packages; [ flask setuptools ];
       };
     };