diff --git a/.github/workflows/ci-nix.yml b/.github/workflows/ci-nix.yml
index 378a017..1d7d293 100644
--- a/.github/workflows/ci-nix.yml
+++ b/.github/workflows/ci-nix.yml
@@ -27,7 +27,7 @@ jobs:
       - uses: actions/checkout@v4
         with:
           submodules: recursive
-      - uses: DeterminateSystems/nix-installer-action@v6
+      - uses: DeterminateSystems/nix-installer-action@v7
       - uses: DeterminateSystems/magic-nix-cache-action@v2
       - run: nix flake check
       - run: nix develop --command echo 'This step should be done before any other "nix develop" steps because of measuring Nix build time'