diff --git a/flake.nix b/flake.nix
index bbad842..61d4d85 100644
--- a/flake.nix
+++ b/flake.nix
@@ -23,7 +23,7 @@
 			};
 			packages = {
 				vm-test = let
-					basicPython = (pkgs.python3.withPackages (p: with p; [ pyyaml ]));
+					basicPython = (pkgs.python3.withPackages (p: with p; [ ruamel-yaml ]));
 				in pkgs.dockerTools.buildLayeredImage {
 					name = "vm-test";
 					tag = "latest";