diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 1c5c0eb..dc340b9 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -11,7 +11,7 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
       - name: Install Nix
-        uses: DeterminateSystems/nix-installer-action@v15
+        uses: DeterminateSystems/nix-installer-action@v16
       - uses: DeterminateSystems/magic-nix-cache-action@v8
       - name: Run flake checks
         run: nix develop -c nix-fast-build --no-nom --no-download
diff --git a/.github/workflows/pages.yaml b/.github/workflows/pages.yaml
index c959749..eda31c5 100644
--- a/.github/workflows/pages.yaml
+++ b/.github/workflows/pages.yaml
@@ -23,7 +23,7 @@ jobs:
         id: pages
         uses: actions/configure-pages@v5
       - name: Install Nix
-        uses: DeterminateSystems/nix-installer-action@v15
+        uses: DeterminateSystems/nix-installer-action@v16
       - uses: DeterminateSystems/magic-nix-cache-action@v8
       - name: Build
         run: nix build .#docs