diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index fd174fa..cf20242 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -20,7 +20,7 @@ jobs:
         uses: actions/checkout@v3
 
       - name: Set up Nix
-        uses: cachix/install-nix-action@v19
+        uses: cachix/install-nix-action@v20
         with:
           extra_nix_config: |
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
@@ -40,7 +40,7 @@ jobs:
         uses: actions/checkout@v3
 
       - name: Set up Nix
-        uses: cachix/install-nix-action@v19
+        uses: cachix/install-nix-action@v20
         with:
           extra_nix_config: |
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}