diff --git a/.github/workflows/nix.yml b/.github/workflows/nix.yml
index 947a4d2..b045ff2 100644
--- a/.github/workflows/nix.yml
+++ b/.github/workflows/nix.yml
@@ -18,6 +18,6 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v4
-      - uses: cachix/install-nix-action@v25
+      - uses: cachix/install-nix-action@v26
       - run: tests/run-tests.sh