diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index a376e1c..432f163 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -152,7 +152,7 @@ jobs:
         with:
           persist-credentials: false
       - name: Install nix
-        uses: cachix/install-nix-action@4e002c8ec80594ecd40e759629461e26c8abed15 # v31.9.0
+        uses: cachix/install-nix-action@2126ae7fc54c9df00dd18f7f18754393182c73cd # v31.9.1
         with:
           nix_path: nixpkgs=channel:nixos-unstable
       - name: Install dependencies