diff --git a/pkgs/development/python-modules/notus-scanner/default.nix b/pkgs/development/python-modules/notus-scanner/default.nix
index afe74c20e94e..bd52934394bd 100644
--- a/pkgs/development/python-modules/notus-scanner/default.nix
+++ b/pkgs/development/python-modules/notus-scanner/default.nix
@@ -28,6 +28,7 @@ buildPythonPackage rec {
 
   pythonRelaxDeps = [
     "packaging"
+    "psutil"
     "python-gnupg"
   ];