diff --git a/pkgs/rmc.nix b/pkgs/rmc.nix
index cec2086..4e1e4e3 100644
--- a/pkgs/rmc.nix
+++ b/pkgs/rmc.nix
@@ -32,6 +32,10 @@ python3.pkgs.buildPythonApplication rec {
     "rmc"
   ];
 
+  pythonRelaxDeps = [
+    "rmscene"
+  ];
+
   postInstall = ''
     wrapProgram $out/bin/rmc --prefix PATH : ${lib.makeBinPath [ inkscape ]}
   '';