diff --git a/configuration.nix b/configuration.nix
index 243df74..4041c0d 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -68,6 +68,7 @@
     nix-output-monitor
     nixd
     nixpkgs-fmt
+    nix-index
 
     # Desktop Utils
     chromium # Web browser