diff --git a/common.nix b/common.nix
index 2a0f9c4..976eec2 100644
--- a/common.nix
+++ b/common.nix
@@ -437,6 +437,9 @@ in
     programs.direnv.enable = true;
     programs.direnv.nix-direnv.enable = true;
 
+    # reverse package search, https://github.com/nix-community/nix-index
+    programs.nix-index.enable = true;
+
     # generate the shell config
     programs.zsh = {
       enable = true;