diff --git a/.github/workflows/github_pages.yml b/.github/workflows/github_pages.yml
index 2dee0786b..9f49d49a8 100644
--- a/.github/workflows/github_pages.yml
+++ b/.github/workflows/github_pages.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v4
-    - uses: cachix/install-nix-action@v23
+    - uses: cachix/install-nix-action@v27
       with:
         nix_path: nixpkgs=channel:nixos-unstable
     - uses: cachix/cachix-action@v15
diff --git a/.github/workflows/labeler.yml b/.github/workflows/labeler.yml
index daea610a3..81585d859 100644
--- a/.github/workflows/labeler.yml
+++ b/.github/workflows/labeler.yml
@@ -17,8 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     if: github.repository_owner == 'nix-community'
     steps:
-      - uses: actions/labeler@v4
+      - uses: actions/labeler@v5
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
           sync-labels: true
-
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 40d4e2b33..05d04163b 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v4
-    - uses: cachix/install-nix-action@v23
+    - uses: cachix/install-nix-action@v27
       with:
         nix_path: nixpkgs=channel:nixos-unstable
     - run: |
diff --git a/.github/workflows/update-flake.yml b/.github/workflows/update-flake.yml
index 648528668..9df8060df 100644
--- a/.github/workflows/update-flake.yml
+++ b/.github/workflows/update-flake.yml
@@ -12,9 +12,9 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
       - name: Install Nix
-        uses: cachix/install-nix-action@v23
+        uses: cachix/install-nix-action@v27
       - name: Update flake.lock
-        uses: DeterminateSystems/update-flake-lock@v21
+        uses: DeterminateSystems/update-flake-lock@v22
         with:
           token: ${{ secrets.GH_TOKEN_FOR_UPDATES }}
           pr-labels: dependencies