diff --git a/scripts/ci/kurtosis-params.yaml b/scripts/ci/kurtosis-params.yaml
index f002bd4f..6ea07b7d 100644
--- a/scripts/ci/kurtosis-params.yaml
+++ b/scripts/ci/kurtosis-params.yaml
@@ -20,8 +20,9 @@ optimism_package:
         - rollup-boost
 ethereum_package:
   participants:
-  - el_type: geth
-    cl_type: teku
+    - el_type: geth
+      cl_type: lighthouse
+      cl_image: "ethpandaops/lighthouse:stable-e21198c"
   network_params:
     preset: minimal
     genesis_delay: 5