diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index bf139b4..990684c 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -15,7 +15,7 @@ jobs:
         os: [ubuntu-latest]
     steps:
       - uses: actions/checkout@v3
-      - uses: cachix/install-nix-action@v26
+      - uses: cachix/install-nix-action@V27
       - name: Setup Cachix
         uses: cachix/cachix-action@v14
         with:
@@ -68,7 +68,7 @@ jobs:
           - saber-devenv
     steps:
       - uses: actions/checkout@v3
-      - uses: cachix/install-nix-action@v26
+      - uses: cachix/install-nix-action@V27
       - name: Setup Cachix
         uses: cachix/cachix-action@v14
         with:
@@ -90,7 +90,7 @@ jobs:
   #         - solana-1_13-full
   #   steps:
   #     - uses: actions/checkout@v3
-  #     - uses: cachix/install-nix-action@v26
+  #     - uses: cachix/install-nix-action@V27
   #     - name: Setup Cachix
   #       uses: cachix/cachix-action@v14
   #       with: