diff --git a/flake.lock b/flake.lock
index 24b185d06..b6adb4cac 100644
--- a/flake.lock
+++ b/flake.lock
@@ -8,11 +8,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1729742964,
-        "narHash": "sha256-B4mzTcQ0FZHdpeWcpDYPERtyjJd/NIuaQ9+BV1h+MpA=",
+        "lastModified": 1731952509,
+        "narHash": "sha256-p4gB3Rhw8R6Ak4eMl8pqjCPOLCZRqaehZxdZ/mbFClM=",
         "owner": "nix-community",
         "repo": "nix-github-actions",
-        "rev": "e04df33f62cdcf93d73e9a04142464753a16db67",
+        "rev": "7b5f051df789b6b20d259924d349a9ba3319b226",
         "type": "github"
       },
       "original": {
@@ -23,11 +23,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1737062831,
-        "narHash": "sha256-Tbk1MZbtV2s5aG+iM99U8FqwxU/YNArMcWAv6clcsBc=",
+        "lastModified": 1737469691,
+        "narHash": "sha256-nmKOgAU48S41dTPIXAq0AHZSehWUn6ZPrUKijHAMmIk=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "5df43628fdf08d642be8ba5b3625a6c70731c19c",
+        "rev": "9e4d5190a9482a1fb9d18adf0bdb83c6e506eaab",
         "type": "github"
       },
       "original": {
@@ -45,11 +45,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1731223003,
-        "narHash": "sha256-hFf8/IeZKPUubMC452Mm+JiAEnvcw/a4Cvn2bcpeJqs=",
+        "lastModified": 1736836246,
+        "narHash": "sha256-bFvBMziYvFtB/Hly+O4WtBGeiDoz7eb2dVQbOvIrHHM=",
         "owner": "nix-community",
         "repo": "pyproject.nix",
-        "rev": "359dd9cd562730bbd31ab164832aae4dacd9c302",
+        "rev": "3db43c7414fce4ce94ca67545233d251d306385a",
         "type": "github"
       },
       "original": {
@@ -94,11 +94,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1737466622,
-        "narHash": "sha256-VBCAJUiorRoyIsW0zf+boDAZrtbIvNqAH3cgU9SRvss=",
+        "lastModified": 1737561151,
+        "narHash": "sha256-2Yjeqfr/LDGQ/t7mI7LwiQsNlWxpN1VeaY3urTjxy3Q=",
         "owner": "urob",
         "repo": "zephyr-nix",
-        "rev": "9a2ca224400fbd967b5b6f3c8db0072939aeb52d",
+        "rev": "54958dd5d2316db475d57277150972dccd0ca888",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index 38f4e2996..6b6082e2b 100644
--- a/flake.nix
+++ b/flake.nix
@@ -42,11 +42,10 @@
           # pkgs.findutils        # find, xargs
           # pkgs.gnugrep          # grep
           # pkgs.gnused           # sed
-
         ]
         # Temporary disable keymap_drawer on aarch64-linux due to:
         # https://github.com/NixOS/nixpkgs/issues/372375
-        ++ pkgs.lib.optionals (system != "aarch64-linux") [ keymap_drawer ];
+        ++ nixpkgs.lib.optionals (system != "aarch64-linux") [ keymap_drawer ];
 
         shellHook = ''
           export ZMK_BUILD_DIR=$(pwd)/.build;
diff --git a/nix/keymap-drawer.nix b/nix/keymap-drawer.nix
index 02f71e287..416576444 100644
--- a/nix/keymap-drawer.nix
+++ b/nix/keymap-drawer.nix
@@ -17,14 +17,14 @@ let
 in
 buildPythonApplication rec {
   pname = "keymap-drawer";
-  version = "0.20.0+revert-poetry";
+  version = "0.20.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "caksoylar";
     repo = pname;
-    rev = "a2a3b37c54ddb449428b4597b39c3c28b331a7da";
-    hash = "sha256-GKGjEHQ/GsLhCzjuglDuztAEIpeaz+fHHmNJJcLmQT8=";
+    rev = "ea00f44ac5a2ebe97b8b31f9166791bedf9136e5";
+    hash = "sha256-F9lDUuqHKl2FOUsUszJrRK7/a/a1UJLw+RUg9Bv2zN0=";
   };
 
   build-system = [ poetry-core ];