diff --git a/flake.nix b/flake.nix
index f11e3a6..009b9d9 100644
--- a/flake.nix
+++ b/flake.nix
@@ -14,6 +14,14 @@
     nix-homebrew = {
       url = "github:zhaofengli/nix-homebrew";
     };
+    homebrew-core = {
+      url = "github:homebrew/homebrew-core";
+      flake = false;
+    };
+    homebrew-cask = {
+      url = "github:homebrew/homebrew-cask";
+      flake = false;
+    };
     home-manager = {
       url = "github:nix-community/home-manager/release-26.05";
       inputs.nixpkgs.follows = "nixpkgs";
diff --git a/hosts/artemis/homebrew.nix b/hosts/artemis/homebrew.nix
index 76a30df..2acd7c6 100644
--- a/hosts/artemis/homebrew.nix
+++ b/hosts/artemis/homebrew.nix
@@ -15,8 +15,8 @@
 
     # Optional: Declarative tap management
     taps = {
-      "homebrew/homebrew-core" = homebrew-core;
-      "homebrew/homebrew-cask" = homebrew-cask;
+      "homebrew/homebrew-core" = inputs.homebrew-core;
+      "homebrew/homebrew-cask" = inputs.homebrew-cask;
     };
 
     # Optional: Enable fully-declarative tap management