diff --git a/.github/workflows/nix-build.yml b/.github/workflows/nix-build.yml
index 548def1..18f728a 100644
--- a/.github/workflows/nix-build.yml
+++ b/.github/workflows/nix-build.yml
@@ -18,12 +18,11 @@ jobs:
           - .#packages.x86_64-linux.tailor-gui
           - .#checks.x86_64-linux.formatting
     steps:
-    - uses: actions/checkout@v3
-    - uses: cachix/install-nix-action@v20
-      with:
-        extra_nix_config: |
-            access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
-    - uses: cachix/cachix-action@v12
+    - uses: actions/checkout@v4
+    - name: Install Nix
+      uses: DeterminateSystems/nix-installer-action@v12
+    - name: Set up cachix
+      uses: cachix/cachix-action@v15
       with:
         name: tuxedo-rs
         authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
diff --git a/.github/workflows/update.yml b/.github/workflows/update.yml
index 2a543c1..10e5db1 100644
--- a/.github/workflows/update.yml
+++ b/.github/workflows/update.yml
@@ -9,15 +9,11 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: Install Nix
-        uses: cachix/install-nix-action@v16
-        with:
-          extra_nix_config: |
-            experimental-features = nix-command flakes
-            access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
+        uses: DeterminateSystems/nix-installer-action@v12
       - name: Update flake.lock
-        uses: DeterminateSystems/update-flake-lock@v12
+        uses: DeterminateSystems/update-flake-lock@v22
         with:
           token: ${{ secrets.GH_TOKEN_FOR_UPDATES }}
           pr-title: "chore: update flake.lock" # Title of PR to be created