diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 37dddef8..035aaba3 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -40,6 +40,7 @@ jobs:
           echo "NEXT_PUBLIC_ABLY_API_KEY=${{ secrets.NEXT_PUBLIC_ABLY_API_KEY }}" >> .env
           echo "NEXT_PUBLIC_WALLETCONNECT_KEY=${{ secrets.NEXT_PUBLIC_WALLETCONNECT_KEY }}" >> .env
           echo "NEXT_PUBLIC_WEB3_CLIENT_ID=${{ secrets.NEXT_PUBLIC_WEB3_CLIENT_ID }}" >> .env
+          echo "NEXT_PUBLIC_TESTNET_EXPLORER_URL=${{ vars.NEXT_PUBLIC_TESTNET_EXPLORER_URL }}" >> .env
           cat .env
 
       - name: Get the Git tag