diff --git a/.github/workflows/mix_test.yml b/.github/workflows/mix_test.yml
index 3a45b33..e376498 100644
--- a/.github/workflows/mix_test.yml
+++ b/.github/workflows/mix_test.yml
@@ -23,7 +23,7 @@ jobs:
       GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
     steps:
       - uses: actions/checkout@v3
-      - uses: cachix/install-nix-action@v17
+      - uses: cachix/install-nix-action@v26
       - uses: cachix/cachix-action@v10
         with:
           name: jechol