diff --git a/flake.lock b/flake.lock
index 7563266..91537ba 100644
--- a/flake.lock
+++ b/flake.lock
@@ -177,11 +177,11 @@
     },
     "nixpkgs_3": {
       "locked": {
-        "lastModified": 1770625969,
-        "narHash": "sha256-3ESg5ra+raxilFcmJw1vihoGS7Abet1v0OpVn1MxPzU=",
+        "lastModified": 1770720068,
+        "narHash": "sha256-S8s8l0CfMYsFMNS0hXZaQV9sOTkUB6qdXdTSEs2aTT8=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "69ecaffa7deb4daa5a83cb813f8251665e3af93e",
+        "rev": "8ee95bcb238069810a968efbf2bba8e4d6ff11a6",
         "type": "github"
       },
       "original": {
diff --git a/modules/gdm-monitors.nix b/modules/gdm-monitors.nix
index 4a38be1..008d99e 100644
--- a/modules/gdm-monitors.nix
+++ b/modules/gdm-monitors.nix
@@ -138,6 +138,7 @@ let
               <width>1920</width>
               <height>1080</height>
               <rate>74.973</rate>
+              <ratemode>variable</ratemode>
             </mode>
           </monitor>
         </logicalmonitor>