diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index 837b9b0..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
+        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 021450d..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
+        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