diff --git a/flake.nix b/flake.nix
index 6b650cd..7fb21f8 100644
--- a/flake.nix
+++ b/flake.nix
@@ -49,6 +49,8 @@
       url = "github:serokell/deploy-rs";
       inputs.nixpkgs.follows = "nixpkgs";
     };
+    nix-index-database.url = "github:nix-community/nix-index-database";
+    nix-index-database.inputs.nixpkgs.follows = "nixpkgs";
   };
 
   outputs = {
diff --git a/modules/nix-settings.nix b/modules/nix-settings.nix
index ebd9c87..ca7ed97 100644
--- a/modules/nix-settings.nix
+++ b/modules/nix-settings.nix
@@ -3,6 +3,10 @@
   lib,
   ...
 }: {
+  imports = [
+    inputs.nix-index-database.nixosModules.nix-index
+  ];
+  programs.nix-index-database.comma.enable = true;
   # Allow unfree packages
   nixpkgs.config.allowUnfreePredicate = pkg:
     builtins.elem (lib.getName pkg) [