diff --git a/nix/devShells.nix b/nix/devShells.nix
index 4cac540..01d318b 100644
--- a/nix/devShells.nix
+++ b/nix/devShells.nix
@@ -35,6 +35,7 @@
       inputs'.sops-nix.packages.default
       sops
       nil
+      nix-index
 
       apacheHttpd