diff --git a/.github/workflows/pages.yml b/.github/workflows/pages.yml
index f061eee..c77cfa1 100644
--- a/.github/workflows/pages.yml
+++ b/.github/workflows/pages.yml
@@ -14,7 +14,7 @@ jobs:
       SSH_AUTH_SOCK: /tmp/ssh_agent.sock
     steps:
     - uses: actions/checkout@v4
-    - uses: cachix/install-nix-action@v29
+    - uses: cachix/install-nix-action@v30
     - uses: cachix/cachix-action@v15
       with:
         name: crane
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index a98076b..5aff14d 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -40,7 +40,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
-    - uses: cachix/install-nix-action@v29
+    - uses: cachix/install-nix-action@v30
       with:
         install_url: ${{ matrix.install_url }}
     - uses: cachix/cachix-action@v15
@@ -74,7 +74,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
-    - uses: cachix/install-nix-action@v29
+    - uses: cachix/install-nix-action@v30
       with:
         #install_url: https://nixos.org/nix/install
         # The latest nix releases keep being broken, stick to what's in NixOS
@@ -98,7 +98,7 @@ jobs:
     runs-on: macos-latest
     steps:
     - uses: actions/checkout@v4
-    - uses: cachix/install-nix-action@v29
+    - uses: cachix/install-nix-action@v30
       with:
         #install_url: https://nixos.org/nix/install
         # The latest nix releases keep being broken, stick to what's in NixOS
@@ -131,7 +131,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
-    - uses: cachix/install-nix-action@v29
+    - uses: cachix/install-nix-action@v30
     - uses: DeterminateSystems/magic-nix-cache-action@main
     - name: check for dead code
       run: nix run github:astro/deadnix -- .
@@ -140,7 +140,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
-    - uses: cachix/install-nix-action@v29
+    - uses: cachix/install-nix-action@v30
     - uses: DeterminateSystems/magic-nix-cache-action@main
     - name: check formatting
       run: nix fmt --accept-flake-config -- --check .
diff --git a/.github/workflows/update-flake.yml b/.github/workflows/update-flake.yml
index 093d3fa..3b7bc1d 100644
--- a/.github/workflows/update-flake.yml
+++ b/.github/workflows/update-flake.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
-    - uses: cachix/install-nix-action@v29
+    - uses: cachix/install-nix-action@v30
       with:
         extra_nix_config: |
           access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}