diff --git a/.github/workflows/build-aarch64-damogran-sdimage.yaml b/.github/workflows/build-aarch64-damogran-sdimage.yaml
index e517ce4..4f6e1c9 100644
--- a/.github/workflows/build-aarch64-damogran-sdimage.yaml
+++ b/.github/workflows/build-aarch64-damogran-sdimage.yaml
@@ -5,7 +5,7 @@ jobs:
     - name: Checkout repository
       uses: actions/checkout@v4.1.7
     - name: Install Nix
-      uses: cachix/install-nix-action@v27
+      uses: cachix/install-nix-action@v29
       with:
         extra_nix_config: access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
         nix_path: nixpkgs=channel:nixos-24.05
diff --git a/.github/workflows/build-aarch64-linux-devshell.yaml b/.github/workflows/build-aarch64-linux-devshell.yaml
index 4dedab3..1eabd43 100644
--- a/.github/workflows/build-aarch64-linux-devshell.yaml
+++ b/.github/workflows/build-aarch64-linux-devshell.yaml
@@ -5,7 +5,7 @@ jobs:
     - name: Checkout repository
       uses: actions/checkout@v4.1.7
     - name: Install Nix
-      uses: cachix/install-nix-action@v27
+      uses: cachix/install-nix-action@v29
       with:
         extra_nix_config: access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
         nix_path: nixpkgs=channel:nixos-24.05
diff --git a/.github/workflows/build-x86_64-devshell.yaml b/.github/workflows/build-x86_64-devshell.yaml
index 870868c..8aeaab7 100644
--- a/.github/workflows/build-x86_64-devshell.yaml
+++ b/.github/workflows/build-x86_64-devshell.yaml
@@ -5,7 +5,7 @@ jobs:
     - name: Checkout repository
       uses: actions/checkout@v4.1.7
     - name: Install Nix
-      uses: cachix/install-nix-action@v27
+      uses: cachix/install-nix-action@v29
       with:
         extra_nix_config: access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
         nix_path: nixpkgs=channel:nixos-24.05
diff --git a/.github/workflows/build-x86_64-host.yaml b/.github/workflows/build-x86_64-host.yaml
index 82d46a9..61cb7b0 100644
--- a/.github/workflows/build-x86_64-host.yaml
+++ b/.github/workflows/build-x86_64-host.yaml
@@ -5,7 +5,7 @@ jobs:
     - name: Checkout repository
       uses: actions/checkout@v4.1.7
     - name: Install Nix
-      uses: cachix/install-nix-action@v27
+      uses: cachix/install-nix-action@v29
       with:
         extra_nix_config: access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
         nix_path: nixpkgs=channel:nixos-24.05
diff --git a/.github/workflows/keygen_iso_release.yaml b/.github/workflows/keygen_iso_release.yaml
index 0e7888a..a305f45 100644
--- a/.github/workflows/keygen_iso_release.yaml
+++ b/.github/workflows/keygen_iso_release.yaml
@@ -5,7 +5,7 @@ jobs:
     - name: Checkout repository
       uses: actions/checkout@v4.1.7
     - name: Install Nix
-      uses: cachix/install-nix-action@v27
+      uses: cachix/install-nix-action@v29
       with:
         extra_nix_config: access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
         nix_path: nixpkgs=channel:nixos-24.05
diff --git a/.github/workflows/update-flake.yaml b/.github/workflows/update-flake.yaml
index 5ec4d32..04c225f 100644
--- a/.github/workflows/update-flake.yaml
+++ b/.github/workflows/update-flake.yaml
@@ -5,7 +5,7 @@ jobs:
     - name: Checkout repository
       uses: actions/checkout@v4.1.7
     - name: Install Nix
-      uses: cachix/install-nix-action@v27
+      uses: cachix/install-nix-action@v29
       with:
         extra_nix_config: access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
         nix_path: nixpkgs=channel:nixos-24.05