diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index 9dc71b3..91bbb8f 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -15,17 +15,17 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - uses: cachix/install-nix-action@v18
+      - uses: cachix/install-nix-action@v20
         with:
           extra_nix_config: |
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
       - run: nix flake check
   format-with-alejandra:
-    name:
+    name: Formatting via Alejandra
     runs-on: ubuntu-latest
     steps: 
       - uses: actions/checkout@v3
-      - uses: cachix/install-nix-action@v18
+      - uses: cachix/install-nix-action@v20
         with:
           install_url: https://nixos.org/nix/install
           extra_nix_config: |