diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index d4c73f3..0d19e58 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.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
     - run: nix flake lock
     - uses: stefanzweifel/git-auto-commit-action@v5
       with:
@@ -27,7 +27,7 @@ jobs:
       matrix: ${{ steps.set-matrix.outputs.matrix }}
     steps:
       - uses: actions/checkout@v4
-      - uses: cachix/install-nix-action@v29
+      - uses: cachix/install-nix-action@v30
       - id: set-matrix
         name: Generate Nix Matrix
         run: |
@@ -42,7 +42,7 @@ jobs:
     timeout-minutes: 30 # Safety net in case of hanging executable
     steps:
       - uses: actions/checkout@v4
-      - uses: cachix/install-nix-action@v29
+      - uses: cachix/install-nix-action@v30
       - uses: cachix/cachix-action@v15
         with:
           name: emacs-ci
diff --git a/.github/workflows/update-nixpkgs.yml b/.github/workflows/update-nixpkgs.yml
index 76a4fe8..3e50420 100644
--- a/.github/workflows/update-nixpkgs.yml
+++ b/.github/workflows/update-nixpkgs.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
-    - uses: cachix/install-nix-action@v29
+    - uses: cachix/install-nix-action@v30
       with:
         nix_path: nixpkgs=channel:nixos-unstable
     - name: Update snapshot commit
diff --git a/.github/workflows/update-snapshot.yml b/.github/workflows/update-snapshot.yml
index e8f5d5b..94a5ef1 100644
--- a/.github/workflows/update-snapshot.yml
+++ b/.github/workflows/update-snapshot.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
-    - uses: cachix/install-nix-action@v29
+    - uses: cachix/install-nix-action@v30
       with:
         nix_path: nixpkgs=channel:nixos-unstable
     - name: Update release snapshot commit