diff --git a/.github/workflows/build-unfree.yml b/.github/workflows/build-unfree.yml
index df97a26..e63a62b 100644
--- a/.github/workflows/build-unfree.yml
+++ b/.github/workflows/build-unfree.yml
@@ -21,7 +21,7 @@ jobs:
     - name: Checkout repository
       uses: actions/checkout@v4
     - name: Install Nix
-      uses: DeterminateSystems/nix-installer-action@v5
+      uses: DeterminateSystems/nix-installer-action@v6
       with:
         github-token: ${{ secrets.GITHUB_TOKEN }}
     - uses: DeterminateSystems/magic-nix-cache-action@v2
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index bc51db5..937214c 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -47,7 +47,7 @@ jobs:
     - name: Checkout repository
       uses: actions/checkout@v4
     - name: Install Nix
-      uses: DeterminateSystems/nix-installer-action@v5
+      uses: DeterminateSystems/nix-installer-action@v6
       with:
         github-token: ${{ secrets.GITHUB_TOKEN }}
     - uses: DeterminateSystems/magic-nix-cache-action@v2
diff --git a/.github/workflows/nix-flake-update.yml b/.github/workflows/nix-flake-update.yml
index 680397a..660d9f5 100644
--- a/.github/workflows/nix-flake-update.yml
+++ b/.github/workflows/nix-flake-update.yml
@@ -11,7 +11,7 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
       - name: Install Nix
-        uses: DeterminateSystems/nix-installer-action@v5
+        uses: DeterminateSystems/nix-installer-action@v6
         with:
           github-token: ${{ secrets.GH_PAT }}
       - name: Update flake.lock
diff --git a/.github/workflows/update.yml b/.github/workflows/update.yml
index 307c961..350d4dd 100644
--- a/.github/workflows/update.yml
+++ b/.github/workflows/update.yml
@@ -13,7 +13,7 @@ jobs:
       with:
         token: ${{ secrets.GH_PAT }}
     - name: Install Nix
-      uses: DeterminateSystems/nix-installer-action@v5
+      uses: DeterminateSystems/nix-installer-action@v6
       with:
         github-token: ${{ secrets.GH_PAT }}
     - uses: DeterminateSystems/magic-nix-cache-action@v2