diff --git a/pkgs/development/python-modules/plotly/default.nix b/pkgs/development/python-modules/plotly/default.nix
index 1d1fe4401ac9..f13f4504ed95 100644
--- a/pkgs/development/python-modules/plotly/default.nix
+++ b/pkgs/development/python-modules/plotly/default.nix
@@ -20,6 +20,8 @@
   which,
   nbformat,
   scikit-image,
+  orca,
+  psutil,
 }:
 
 buildPythonPackage rec {
@@ -51,6 +53,15 @@ buildPythonPackage rec {
     kaleido
   ];
 
+  # packages/python/plotly/optional-requirements.txt
+  optional-dependencies = {
+    orca = [
+      orca
+      requests
+      psutil
+    ];
+  };
+
   nativeCheckInputs = [
     pytestCheckHook
     pandas