diff --git a/triviOS/web.nix b/triviOS/web.nix
index 249e6fe..f2c3f83 100644
--- a/triviOS/web.nix
+++ b/triviOS/web.nix
@@ -32,5 +32,9 @@
         socket = "${config.services.uwsgi.runDir}/uwsgi.sock";
       };
     };
+
+    udev.extraRules = = ''
+      KERNEL=="gpiochip*", GROUP="uwsgi", MODE="660"
+    '';
   };
 }