diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0c0682ae4..7d2ba83d0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -67,7 +67,7 @@ jobs:
 
       - name: Set up nix
         if: matrix.type == 'dapp'
-        uses: cachix/install-nix-action@v26
+        uses: cachix/install-nix-action@V27
 
       - name: Set up cachix
         if: matrix.type == 'dapp'