diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index dad1191..62c2728 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -63,7 +63,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - uses: cachix/install-nix-action@V27
+      - uses: cachix/install-nix-action@v29
       
       - run: nix build -L
       - run: nix flake check -L