diff --git a/python_environment/default.nix b/python_environment/default.nix
index f1f781e..b38f66f 100644
--- a/python_environment/default.nix
+++ b/python_environment/default.nix
@@ -3,8 +3,8 @@ with import <nixpkgs> {};
 stdenv.mkDerivation {
   name = "myPythonEnv";
   buildInputs = with pkgs; [
-    python37Full
-    python37Packages.virtualenv
+    python38Full
+    python38Packages.virtualenv
   ];
   src = null;
   shellHook = ''