diff --git a/.envrc b/.envrc
new file mode 100644
index 000000000..3550a30f2
--- /dev/null
+++ b/.envrc
@@ -0,0 +1 @@
+use flake
diff --git a/.gitignore b/.gitignore
index 010bc3235..778024e3f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -22,6 +22,9 @@ Debug
 build
 /build-*
 
+# direnv / Nix
+.direnv/
+
 # Install dirs
 install
 /install-*
diff --git a/flake.nix b/flake.nix
index f476fdf92..3294c799c 100644
--- a/flake.nix
+++ b/flake.nix
@@ -48,6 +48,11 @@
       in
         packages // {default = packages.prismlauncher;};
 
+      devShells.default = pkgs.mkShell {
+        inputsFrom = [self.packages.${system}.default];
+        buildInputs = with pkgs; [ccache ninja];
+      };
+
       overlay = final: packagesFn;
     });
 }