diff --git a/.envrc b/.envrc
index 3550a30..65326bb 100644
--- a/.envrc
+++ b/.envrc
@@ -1 +1 @@
-use flake
+use nix
\ No newline at end of file
diff --git a/shell.nix b/shell.nix
new file mode 100644
index 0000000..0dba3be
--- /dev/null
+++ b/shell.nix
@@ -0,0 +1,7 @@
+{ pkgs ? import <nixpkgs> {}}:
+
+pkgs.mkShell {
+  name = "delta";
+  packages = with pkgs; [ gitleaks pre-commit ];
+  shellHook = "pre-commit install &> /dev/null && gitleaks detect -v";
+}
\ No newline at end of file