diff --git a/.envrc b/.envrc
new file mode 100644
index 0000000..3550a30
--- /dev/null
+++ b/.envrc
@@ -0,0 +1 @@
+use flake
diff --git a/.gitignore b/.gitignore
index b2be92b..4812d58 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 result
+.direnv/
diff --git a/flake.nix b/flake.nix
index 473c89f..2c183aa 100755
--- a/flake.nix
+++ b/flake.nix
@@ -125,9 +125,23 @@
         };
       };
       perSystem =
-        { pkgs, ... }:
+        { pkgs, system, ... }:
         {
           formatter = pkgs.nixfmt-rfc-style;
+
+          devShells.default = pkgs.mkShell {
+            buildInputs =
+              with pkgs;
+              [
+                nixd
+                nixfmt-rfc-style
+                prettierd
+                taplo
+              ]
+              ++ [
+                inputs.viminal.packages.${system}.default
+              ];
+          };
         };
     };
 }