diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 9b93a8b..e8b1759 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -14,7 +14,7 @@ jobs:
           - macos-latest
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: cachix/install-nix-action@448cde739abec1eaf0646249e3d25bb8d9bc7702
+      - uses: cachix/install-nix-action@75c75c31ebece974e48ebc36b4ad125bd97bd97b
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1
       - run: nix flake show
       - run: nix flake lock --no-update-lock-file
@@ -31,6 +31,6 @@ jobs:
     runs-on: ${{ matrix.os }}
     timeout-minutes: 30
     steps:
-      - uses: cachix/install-nix-action@448cde739abec1eaf0646249e3d25bb8d9bc7702
+      - uses: cachix/install-nix-action@75c75c31ebece974e48ebc36b4ad125bd97bd97b
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1
       - run: nix flake check -L --keep-going