diff --git a/pkgs/development/python-modules/psd-tools/default.nix b/pkgs/development/python-modules/psd-tools/default.nix
index efc6aa6d742c..efa364a09de0 100644
--- a/pkgs/development/python-modules/psd-tools/default.nix
+++ b/pkgs/development/python-modules/psd-tools/default.nix
@@ -2,9 +2,12 @@
 , buildPythonPackage
 , fetchFromGitHub
 , pythonOlder
+, attrs
 , docopt
 , pillow
 , scikit-image
+, scipy
+, numpy
 , aggdraw
 , pytestCheckHook
 , ipython
@@ -31,10 +34,13 @@ buildPythonPackage rec {
 
   propagatedBuildInputs = [
     aggdraw
+    attrs
     docopt
     ipython
+    numpy
     pillow
     scikit-image
+    scipy
   ];
 
   nativeCheckInputs = [