diff --git a/.github/workflows/github_pages.yml b/.github/workflows/github_pages.yml
index 0e8c4fd3..59a47e16 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@v3
-    - uses: cachix/install-nix-action@v19
+    - uses: cachix/install-nix-action@v20
       with:
         install_url: https://releases.nixos.org/nix/nix-2.13.3/install
         nix_path: nixpkgs=channel:nixos-unstable
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 2361d98a..4517d22f 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v3
-    - uses: cachix/install-nix-action@v19
+    - uses: cachix/install-nix-action@v20
       with:
         install_url: https://releases.nixos.org/nix/nix-2.13.3/install
         nix_path: nixpkgs=channel:nixos-22.11
diff --git a/.github/workflows/update-flake.yml b/.github/workflows/update-flake.yml
index 161bf27e..93426717 100644
--- a/.github/workflows/update-flake.yml
+++ b/.github/workflows/update-flake.yml
@@ -12,7 +12,7 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v3
       - name: Install Nix
-        uses: cachix/install-nix-action@v19
+        uses: cachix/install-nix-action@v20
         with:
           install_url: https://releases.nixos.org/nix/nix-2.13.3/install
       - name: Update flake.lock