diff --git a/flake.nix b/flake.nix
index 1648f40..a4c802c 100644
--- a/flake.nix
+++ b/flake.nix
@@ -91,6 +91,9 @@
                   detectron2
                   scipy
                   pyrr
+                  pillow
+                  numpy
+                  opencv4
                 ];
               in
               pkgs.mkShell {