diff --git a/.gitignore b/.gitignore
index 8ed2d10..c13c3e2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,7 @@
 dist
+__pycache__
 *.py[cod]
+.coverage.*
+.*_cache
+.pre-commit-config.yaml
+.vscode
diff --git a/flake.nix b/flake.nix
index de21b0f..cb38573 100644
--- a/flake.nix
+++ b/flake.nix
@@ -36,9 +36,13 @@
               echo "welcome to your python project >~(:)=====--" 1>&2
             '';
             nativeBuildInputs = builtins.attrValues {
-              inherit (pkgs)
-                hatch
+              inherit (pkgs.python311Packages)
+                hatchling
+                tomli
                 ;
+              hatch = pkgs.hatch.override {
+                python3 = pkgs.python311;
+              };
             };
             buildInputs = builtins.attrValues {
               inherit (pkgs)
@@ -47,6 +51,9 @@
                 pyright
                 ruff
                 ;
+              inherit (pkgs.python311Packages)
+                ipython
+                ;
             };
           };
         };