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 94d7698..0a748a9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,5 @@ result
 result-*
 
 .DS_Store
+
+/.direnv
diff --git a/flake.nix b/flake.nix
index 5769346..618db15 100644
--- a/flake.nix
+++ b/flake.nix
@@ -103,7 +103,7 @@
         legacyPackages = import ./pkgs pkgs;
 
         ### nix develop
-        devShells.default = pkgs.mkShell {
+        devShells.default = pkgs.mkShellNoCC {
           packages = with pkgs; [
             colmena
             sops
diff --git a/home/applications/direnv/default.nix b/home/applications/direnv/default.nix
new file mode 100644
index 0000000..2b51c9d
--- /dev/null
+++ b/home/applications/direnv/default.nix
@@ -0,0 +1,6 @@
+{
+  programs.direnv = {
+    enable = true;
+    nix-direnv.enable = true;
+  };
+}
diff --git a/home/applications/nix/default.nix b/home/applications/nix/default.nix
index 5863baa..3817864 100644
--- a/home/applications/nix/default.nix
+++ b/home/applications/nix/default.nix
@@ -1,7 +1,6 @@
 { pkgs, ... }:
 {
   home.packages = with pkgs; [
-    colmena
     deadnix
     nh
     nil