diff --git a/hosts/common/default.nix b/hosts/common/default.nix
index d7878d4..199fbb6 100644
--- a/hosts/common/default.nix
+++ b/hosts/common/default.nix
@@ -34,6 +34,7 @@
     }) config.nix.registry;
     systemPackages = with pkgs; [
       ccid
+      ddcutil
       epson-escpr
       epsonscan2
       exfat
@@ -112,7 +113,8 @@
         pkgs.nitrokey-udev-rules
       ];
       extraRules = ''
-        KERNEL=="i2c-[0-9]*", GROUP="i2c", MODE="0660"
+        SUBSYSTEM=="i2c-dev", KERNEL=="i2c-[0-9]*", ATTRS{class}=="0x030000", TAG+="uaccess"
+        SUBSYSTEM=="dri", KERNEL=="card[0-9]*", TAG+="uaccess"
       '';
     };
   };