diff --git a/.github/workflows/cachix.yml b/.github/workflows/cachix.yml
index 143a8878..00d01623 100644
--- a/.github/workflows/cachix.yml
+++ b/.github/workflows/cachix.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: cachix/install-nix-action@v29
+      - uses: cachix/install-nix-action@v30
         with:
           github_access_token: ${{ secrets.GITHUB_TOKEN }}
       - name: Cachix
@@ -28,7 +28,7 @@ jobs:
         os: [macos-latest, ubuntu-latest]
     steps:
       - uses: actions/checkout@v4
-      - uses: cachix/install-nix-action@v29
+      - uses: cachix/install-nix-action@v30
         with:
           github_access_token: ${{ secrets.GITHUB_TOKEN }}
       - name: Cachix
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0924a98c..ec2c47f6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -81,7 +81,7 @@ jobs:
     timeout-minutes: 10
     steps:
       - uses: actions/checkout@v4
-      - uses: cachix/install-nix-action@v29
+      - uses: cachix/install-nix-action@v30
         with:
           nix_path: nixpkgs=channel:nixos-23.05
       - name: Lint with nixpkgs-fmt
diff --git a/.github/workflows/deps.yml b/.github/workflows/deps.yml
index e6831b63..5c4fd826 100644
--- a/.github/workflows/deps.yml
+++ b/.github/workflows/deps.yml
@@ -17,7 +17,7 @@ jobs:
       - uses: actions/checkout@v4
         with:
           token: ${{ secrets.PERSONAL_ACCESS_TOKEN }}
-      - uses: cachix/install-nix-action@v29
+      - uses: cachix/install-nix-action@v30
         with:
           nix_path: nixpkgs=channel:nixos-23.05
       - name: Run bundix