diff --git a/.github/workflows/cachix.yml b/.github/workflows/cachix.yml
index a6f89a5b..951bd718 100644
--- a/.github/workflows/cachix.yml
+++ b/.github/workflows/cachix.yml
@@ -34,7 +34,7 @@ jobs:
       - uses: actions/checkout@v4
         name: Checkout
 
-      - uses: cachix/install-nix-action@v20
+      - uses: cachix/install-nix-action@v23
         with:
           extra_nix_config: |
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/check-docs.yml b/.github/workflows/check-docs.yml
index 40e5c8b0..be580f34 100644
--- a/.github/workflows/check-docs.yml
+++ b/.github/workflows/check-docs.yml
@@ -26,7 +26,7 @@ jobs:
           remove-dotnet: true
           remove-haskell: true
 
-      - uses: cachix/install-nix-action@v20
+      - uses: cachix/install-nix-action@v23
         with:
           extra_nix_config: |
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index 8c2b5867..13b82758 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: cachix/install-nix-action@v20
+      - uses: cachix/install-nix-action@v23
         with:
           extra_nix_config: |
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
@@ -26,7 +26,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: cachix/install-nix-action@v20
+      - uses: cachix/install-nix-action@v23
         with:
           install_url: https://nixos.org/nix/install
           extra_nix_config: |
diff --git a/.github/workflows/manual.yml b/.github/workflows/manual.yml
index b71ffa60..8df78293 100644
--- a/.github/workflows/manual.yml
+++ b/.github/workflows/manual.yml
@@ -27,7 +27,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Install Nix
-        uses: cachix/install-nix-action@v18
+        uses: cachix/install-nix-action@v23
 
       - name: Build
         run: |