diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index f8af6e6..0eb90b4 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -13,12 +13,12 @@ jobs:
         uses: actions/checkout@v6
 
       - name: Setup pnpm
-        uses: pnpm/action-setup@v6.0.4
+        uses: pnpm/action-setup@v5
         with:
           version: 10
 
       - name: Setup Node
-        uses: actions/setup-node@v6.4.0
+        uses: actions/setup-node@v6
         with:
           node-version: 22
           cache: pnpm
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index d013a49..005db59 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -22,12 +22,12 @@ jobs:
         uses: actions/checkout@v6
 
       - name: Setup pnpm
-        uses: pnpm/action-setup@v6.0.4
+        uses: pnpm/action-setup@v5
         with:
           version: 10
 
       - name: Setup Node
-        uses: actions/setup-node@v6.4.0
+        uses: actions/setup-node@v6
         with:
           node-version: 22
           cache: pnpm
@@ -42,7 +42,7 @@ jobs:
         run: GITHUB_PAGES=true pnpm run build:web
 
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v5
+        uses: actions/upload-pages-artifact@v4
         with:
           path: packages/web/dist
 
diff --git a/.github/workflows/nix.yml b/.github/workflows/nix.yml
index 9d2782f..d066d31 100644
--- a/.github/workflows/nix.yml
+++ b/.github/workflows/nix.yml
@@ -32,7 +32,7 @@ jobs:
 
       # Exit early if no relevant files are updated
       - name: Install Nix
-        uses: cachix/install-nix-action@v31.10.5
+        uses: cachix/install-nix-action@v31.9.0
         if: steps.changed-files.outputs.files == 'true'
         with:
           nix_path: nixpkgs=channel:nixos-unstable
diff --git a/flake.lock b/flake.lock
index 4fe7997..cdcfcf2 100644
--- a/flake.lock
+++ b/flake.lock
@@ -2,11 +2,11 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1777954456,
-        "narHash": "sha256-hGdgeU2Nk87RAuZyYjyDjFL6LK7dAZN5RE9+hrDTkDU=",
+        "lastModified": 1775423009,
+        "narHash": "sha256-vPKLpjhIVWdDrfiUM8atW6YkIggCEKdSAlJPzzhkQlw=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "549bd84d6279f9852cae6225e372cc67fb91a4c1",
+        "rev": "68d8aa3d661f0e6bd5862291b5bb263b2a6595c9",
         "type": "github"
       },
       "original": {