diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ff1e9c4f..ee31d9c6 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -10,7 +10,7 @@ jobs:
     - name: Checkout
       uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
     - name: Install Nix
-      uses: cachix/install-nix-action@fd24c48048070c1be9acd18c9d369a83f0fe94d7 # v31.8.1
+      uses: cachix/install-nix-action@0b0e072294b088b73964f1d72dfdac0951439dbd # v31.8.4
       with:
         nix_path: nixpkgs=channel:nixos-unstable
         extra_nix_config: "system-features = nixos-test benchmark big-parallel kvm"