diff --git a/home-manager.nix b/home-manager.nix
index 8833f6e..2b45b9e 100644
--- a/home-manager.nix
+++ b/home-manager.nix
@@ -8,6 +8,7 @@
   # Import configurations for better modularity.
   imports = [
     ./programs/alacritty.nix
+    ./programs/direnv
     ./programs/emacs
     ./programs/fish
     ./programs/git.nix
diff --git a/programs/direnv/default.nix b/programs/direnv/default.nix
new file mode 100644
index 0000000..e660e30
--- /dev/null
+++ b/programs/direnv/default.nix
@@ -0,0 +1,19 @@
+{ ... }:
+
+{
+  programs.direnv = {
+    enable = true;
+    nix-direnv.enable = true;
+
+    config = {
+      whitelist = {
+        prefix = [
+          "/mnt/internal/personal/projects"
+          "/mnt/internal/repos"
+          "/mnt/internal/shared/projects"
+          "/mnt/internal/shared/work"
+        ];
+      };
+    };
+  };
+}