diff --git a/scripts/local_testnet/network_params.yaml b/scripts/local_testnet/network_params.yaml
index e671340afb..05f1c5a54c 100644
--- a/scripts/local_testnet/network_params.yaml
+++ b/scripts/local_testnet/network_params.yaml
@@ -8,7 +8,7 @@ participants:
       - --target-peers=3
     count: 4
 network_params:
-  deneb_fork_epoch: 0
+  electra_fork_epoch: 0
   seconds_per_slot: 3
 global_log_level: debug
 snooper_enabled: false
diff --git a/scripts/local_testnet/network_params_das.yaml b/scripts/local_testnet/network_params_das.yaml
index 628b2696a5..b16be34b89 100644
--- a/scripts/local_testnet/network_params_das.yaml
+++ b/scripts/local_testnet/network_params_das.yaml
@@ -1,7 +1,8 @@
 participants:
   - cl_type: lighthouse
     cl_image: lighthouse:local
-    el_image: ethpandaops/geth:marius-engine-getblobs-v2
+    el_type: geth
+    el_image: ethpandaops/geth:fusaka-devnet-0
     cl_extra_params:
       - --subscribe-all-data-column-subnets
       - --subscribe-all-subnets
@@ -11,7 +12,8 @@ participants:
     count: 2
   - cl_type: lighthouse
     cl_image: lighthouse:local
-    el_image: ethpandaops/geth:marius-engine-getblobs-v2
+    el_type: geth
+    el_image: ethpandaops/geth:fusaka-devnet-0
     cl_extra_params:
       # Note: useful for testing range sync (only produce block if the node is in sync to prevent forking)
       - --sync-tolerance-epochs=0
diff --git a/scripts/tests/checkpoint-sync-config-devnet.yaml b/scripts/tests/checkpoint-sync-config-devnet.yaml
index e81e5d4401..c536d26b3b 100644
--- a/scripts/tests/checkpoint-sync-config-devnet.yaml
+++ b/scripts/tests/checkpoint-sync-config-devnet.yaml
@@ -2,9 +2,13 @@
 participants:
   - cl_type: lighthouse
     cl_image: lighthouse:local
+    el_type: geth
+    el_image: ethpandaops/geth:fusaka-devnet-0
     supernode: true
   - cl_type: lighthouse
     cl_image: lighthouse:local
+    el_type: geth
+    el_image: ethpandaops/geth:fusaka-devnet-0
     supernode: false
 
 checkpoint_sync_enabled: true
diff --git a/scripts/tests/checkpoint-sync-config-sepolia.yaml b/scripts/tests/checkpoint-sync-config-sepolia.yaml
index 2adf9c22b8..289dee7869 100644
--- a/scripts/tests/checkpoint-sync-config-sepolia.yaml
+++ b/scripts/tests/checkpoint-sync-config-sepolia.yaml
@@ -2,9 +2,13 @@
 participants:
   - cl_type: lighthouse
     cl_image: lighthouse:local
+    el_type: geth
+    el_image: ethereum/client-go:latest
     supernode: true
   - cl_type: lighthouse
     cl_image: lighthouse:local
+    el_type: geth
+    el_image: ethereum/client-go:latest
     supernode: false
 
 checkpoint_sync_enabled: true
diff --git a/scripts/tests/network_params.yaml b/scripts/tests/network_params.yaml
index 21114df0e8..0fda1aa34b 100644
--- a/scripts/tests/network_params.yaml
+++ b/scripts/tests/network_params.yaml
@@ -8,7 +8,7 @@ participants:
       - --target-peers=3
     count: 4
 network_params:
-  deneb_fork_epoch: 0
+  electra_fork_epoch: 0
   seconds_per_slot: 3
   num_validator_keys_per_node: 20
 global_log_level: debug