diff --git a/.github/workflows/test-client-combos.yml b/.github/workflows/test-client-combos.yml
index 75adca23..972ec93b 100644
--- a/.github/workflows/test-client-combos.yml
+++ b/.github/workflows/test-client-combos.yml
@@ -212,6 +212,9 @@ jobs:
           - IPV6=false
           - EL_NODE_TYPE=full
           - CHECKPOINT_SYNC_URL=
+          - >-
+            NETWORK=https://github.com/eth-clients/sepolia/tree/main/metadata
+            CHECKPOINT_SYNC_URL=https://checkpoint-sync.sepolia.ethpandaops.io
     steps:
       - name: Checkout
         if: >