diff --git a/.github/workflows/nix-build-and-cache.yml b/.github/workflows/nix-build-and-cache.yml
index f599b0eb..a50c00d9 100644
--- a/.github/workflows/nix-build-and-cache.yml
+++ b/.github/workflows/nix-build-and-cache.yml
@@ -37,7 +37,7 @@ jobs:
     - uses: cachix/cachix-action@v15
       with:
         name: mrjones2014-dotfiles
-        signingKey: '${{ secrets.CACHIX_AUTH_TOKEN }}'
+        authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
 
     - name: build all definitions
       run: nix run github:Mic92/nix-fast-build -L -- --skip-cached --no-download --no-nom --eval-workers 1 --eval-max-memory-size 2048 --flake .#checks.${{ matrix.system }}
diff --git a/flake.lock b/flake.lock
index 238fe280..61a60a0f 100644
--- a/flake.lock
+++ b/flake.lock
@@ -319,6 +319,24 @@
         "type": "github"
       }
     },
+    "flake-utils_5": {
+      "inputs": {
+        "systems": "systems_6"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
     "freetype2": {
       "flake": false,
       "locked": {
@@ -743,6 +761,7 @@
         "agenix": "agenix",
         "arkenfox": "arkenfox",
         "catppuccin": "catppuccin",
+        "flake-utils": "flake-utils_4",
         "home-manager": "home-manager_3",
         "neovim-nightly-overlay": "neovim-nightly-overlay",
         "nixpkgs": "nixpkgs_3",
@@ -846,6 +865,21 @@
         "type": "github"
       }
     },
+    "systems_6": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
     "tokyonight": {
       "inputs": {
         "tokyonight": "tokyonight_2",
@@ -920,7 +954,7 @@
     },
     "wezterm-nightly": {
       "inputs": {
-        "flake-utils": "flake-utils_4",
+        "flake-utils": "flake-utils_5",
         "freetype2": "freetype2",
         "harfbuzz": "harfbuzz",
         "libpng": "libpng",