diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 7fa76ee..dde26e3 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -33,7 +33,7 @@ jobs:
         with:
           submodules: recursive
       - name: Install Nix
-        uses: DeterminateSystems/nix-installer-action@v16
+        uses: DeterminateSystems/nix-installer-action@v20
       - name: Run the Magic Nix Cache
         uses: DeterminateSystems/magic-nix-cache-action@v9
       - name: Build with Nix
diff --git a/.github/workflows/update-flake-lock.yml b/.github/workflows/update-flake-lock.yml
index 12abdb7..c5e4bae 100644
--- a/.github/workflows/update-flake-lock.yml
+++ b/.github/workflows/update-flake-lock.yml
@@ -18,7 +18,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
       - name: Install Nix
-        uses: DeterminateSystems/nix-installer-action@v16
+        uses: DeterminateSystems/nix-installer-action@v20
       - name: Run the Magic Nix Cache
         uses: DeterminateSystems/magic-nix-cache-action@v9
       - name: Check flake health