diff --git a/flake.nix b/flake.nix
index 2698fb2..a933d0b 100644
--- a/flake.nix
+++ b/flake.nix
@@ -21,6 +21,11 @@
       inputs.nixpkgs.follows = "nixpkgs";
     };
 
+    # Arion for docker
+    arion = {
+      url = "github:hercules-ci/arion/236f9dd82d6ef6a2d9987c7a7df3e75f1bc8b318";
+    };
+
     # Nix colors
     nix-colors.url = "github:misterio77/nix-colors";