diff --git a/.github/workflows/update.yml b/.github/workflows/update.yml
index 070bcb2..a338b82 100644
--- a/.github/workflows/update.yml
+++ b/.github/workflows/update.yml
@@ -13,7 +13,7 @@ jobs:
       - uses: actions/checkout@v3
         with:
           token: "${{secrets.PAT}}"
-      - uses: cachix/install-nix-action@v20
+      - uses: cachix/install-nix-action@v26
       - name: "flake.lock: Update"
         run: |
           git config user.name 'github-actions'