diff --git a/.github/workflows/sandbox.yaml b/.github/workflows/sandbox.yaml
index 164c436..6c2d123 100644
--- a/.github/workflows/sandbox.yaml
+++ b/.github/workflows/sandbox.yaml
@@ -42,7 +42,7 @@ jobs:
 
       - name: Set Aztec version and start sandbox
         run: |
-          VERSION=${{ env.VERSION }} aztec-up
+          VERSION=2.1.1-rc.1${{ env.VERSION }} aztec-up
           aztec start --sandbox &
 
       - name: Wait for sandbox to be ready