diff --git a/enter-env.sh b/enter-env.sh
index d87c711..4f4ba31 100755
--- a/enter-env.sh
+++ b/enter-env.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env nix-shell
-#!nix-shell -i bash -I nixpkgs=channel:nixos-unstable-small -p bashInteractive vault awscli jq openssh
+#!nix-shell --arg config "{ allowUnfree = true; }" -i bash -I nixpkgs=channel:nixos-unstable-small -p bashInteractive vault awscli jq openssh
 
 set -eu