diff --git a/.envrc b/.envrc
new file mode 100644
index 0000000..1d953f4
--- /dev/null
+++ b/.envrc
@@ -0,0 +1 @@
+use nix
diff --git a/.gitignore b/.gitignore
index 5db8f6c..e6a97ba 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 _cache/
 _site/
-.stack-work/
+.direnv
 .DS_Store
+.stack-work/
diff --git a/shell.nix b/shell.nix
new file mode 100644
index 0000000..ece0aad
--- /dev/null
+++ b/shell.nix
@@ -0,0 +1,6 @@
+with (import <nixpkgs> {});
+mkShell {
+  buildInputs = [
+    stack
+  ];
+}