diff --git a/.github/workflows/Test flake.yml b/.github/workflows/Test flake.yml
index daefd28..2636a56 100644
--- a/.github/workflows/Test flake.yml	
+++ b/.github/workflows/Test flake.yml	
@@ -14,7 +14,7 @@ jobs:
         uses: actions/checkout@v3
 
       - name: Install Nix
-        uses: cachix/install-nix-action@v22
+        uses: cachix/install-nix-action@v31
         with:
           extra_nix_config: |
             experimental-features = nix-command flakes