diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 41fdb5d..150e9b2 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -25,7 +25,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: DeterminateSystems/nix-installer-action@v15
+      - uses: DeterminateSystems/nix-installer-action@v16
       - uses: DeterminateSystems/magic-nix-cache-action@v8
       # todo Cache bundler stuff?
       - name: Build with Jekyll
diff --git a/.github/workflows/bundler-update.yaml b/.github/workflows/bundler-update.yaml
index 3ec773c..7562718 100644
--- a/.github/workflows/bundler-update.yaml
+++ b/.github/workflows/bundler-update.yaml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: DeterminateSystems/nix-installer-action@v15
+      - uses: DeterminateSystems/nix-installer-action@v16
       - uses: DeterminateSystems/magic-nix-cache-action@v8
       - name: Update Gem lock file
         run: nix develop --command bundle update
diff --git a/.github/workflows/flake-lock-updater.yaml b/.github/workflows/flake-lock-updater.yaml
index 64a867e..ee4704c 100644
--- a/.github/workflows/flake-lock-updater.yaml
+++ b/.github/workflows/flake-lock-updater.yaml
@@ -14,7 +14,7 @@ jobs:
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0
-      - uses: DeterminateSystems/nix-installer-action@v15
+      - uses: DeterminateSystems/nix-installer-action@v16
       - uses: DeterminateSystems/magic-nix-cache-action@v8
       - uses: DeterminateSystems/update-flake-lock@v24
         with:
diff --git a/.github/workflows/github-pages.yaml b/.github/workflows/github-pages.yaml
index ba0cade..32d4fd4 100644
--- a/.github/workflows/github-pages.yaml
+++ b/.github/workflows/github-pages.yaml
@@ -38,7 +38,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: DeterminateSystems/nix-installer-action@v15
+      - uses: DeterminateSystems/nix-installer-action@v16
       - uses: DeterminateSystems/magic-nix-cache-action@v8
       # todo Cache bundler stuff?
       - name: Setup Pages
diff --git a/.github/workflows/link-checker.yaml b/.github/workflows/link-checker.yaml
index a70380a..c0bba31 100644
--- a/.github/workflows/link-checker.yaml
+++ b/.github/workflows/link-checker.yaml
@@ -29,7 +29,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: DeterminateSystems/nix-installer-action@v15
+      - uses: DeterminateSystems/nix-installer-action@v16
       - uses: DeterminateSystems/magic-nix-cache-action@v8
       - name: Restore lychee cache
         id: cache-lychee-restore
diff --git a/.github/workflows/treefmt.yaml b/.github/workflows/treefmt.yaml
index 021a87e..e134ca4 100644
--- a/.github/workflows/treefmt.yaml
+++ b/.github/workflows/treefmt.yaml
@@ -38,7 +38,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: DeterminateSystems/nix-installer-action@v15
+      - uses: DeterminateSystems/nix-installer-action@v16
       - uses: DeterminateSystems/magic-nix-cache-action@v8
       - name: Run treefmt
         run: nix develop --command treefmt --fail-on-change --no-cache
diff --git a/.github/workflows/update-nix-direnv.yaml b/.github/workflows/update-nix-direnv.yaml
index 8ab1bdd..a633c9f 100644
--- a/.github/workflows/update-nix-direnv.yaml
+++ b/.github/workflows/update-nix-direnv.yaml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: DeterminateSystems/nix-installer-action@v15
+      - uses: DeterminateSystems/nix-installer-action@v16
       - uses: DeterminateSystems/magic-nix-cache-action@v8
       - name: Update nix-direnv to the latest version
         run: nix run '.#update-nix-direnv'
diff --git a/.github/workflows/update-nixos-release.yaml b/.github/workflows/update-nixos-release.yaml
index 5e60330..5ca1006 100644
--- a/.github/workflows/update-nixos-release.yaml
+++ b/.github/workflows/update-nixos-release.yaml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: DeterminateSystems/nix-installer-action@v15
+      - uses: DeterminateSystems/nix-installer-action@v16
       - uses: DeterminateSystems/magic-nix-cache-action@v8
       - name: Update the NixOS release in flake.nix to the latest
         run: |
diff --git a/.github/workflows/yamllint.yaml b/.github/workflows/yamllint.yaml
index 46d477e..fb371f3 100644
--- a/.github/workflows/yamllint.yaml
+++ b/.github/workflows/yamllint.yaml
@@ -24,7 +24,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: DeterminateSystems/nix-installer-action@v15
+      - uses: DeterminateSystems/nix-installer-action@v16
       - uses: DeterminateSystems/magic-nix-cache-action@v8
       - name: Check YAML files
         run: nix develop --command yamllint --format github .