diff --git a/flake.lock b/flake.lock
index a963538..91edfdb 100644
--- a/flake.lock
+++ b/flake.lock
@@ -2,11 +2,11 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1760038930,
-        "narHash": "sha256-Oncbh0UmHjSlxO7ErQDM3KM0A5/Znfofj2BSzlHLeVw=",
+        "lastModified": 1761114652,
+        "narHash": "sha256-f/QCJM/YhrV/lavyCVz8iU3rlZun6d+dAiC3H+CDle4=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "0b4defa2584313f3b781240b29d61f6f9f7e0df3",
+        "rev": "01f116e4df6a15f4ccdffb1bcd41096869fb385c",
         "type": "github"
       },
       "original": {
diff --git a/hosts/puter/default.nix b/hosts/puter/default.nix
index 8dbaac2..9bf9272 100644
--- a/hosts/puter/default.nix
+++ b/hosts/puter/default.nix
@@ -16,6 +16,7 @@
     ../../modules/common/security.nix
     #../../modules/common/wine.nix
     ../../modules/common/libvirt.nix
+    ../../modules/common/keyd.nix
   ];
   networking.hostName = "puter";
   # This will be overridden by system/default.nix
diff --git a/modules/common/keyd.nix b/modules/common/keyd.nix
new file mode 100644
index 0000000..600c64c
--- /dev/null
+++ b/modules/common/keyd.nix
@@ -0,0 +1,26 @@
+{
+  config,
+  pkgs,
+  ...
+}: {
+  services.keyd = {
+    enable = true;
+    keyboards = {
+      # The name is just the name of the configuration file, it does not really matter
+      default = {
+        ids = ["*"]; # what goes into the [id] section, here we select all keyboards
+        # Everything but the ID section:
+        settings = {
+          # The main layer, if you choose to declare it in Nix
+          main = {
+            capslock = "layer(LWin)"; # you might need to also enclose the key in quotes if it contains non-alphabetical symbols
+          };
+          otherlayer = {};
+        };
+        extraConfig = ''
+          # put here any extra-config, e.g. you can copy/paste here directly a configuration, just remove the ids part
+        '';
+      };
+    };
+  };
+}