diff --git a/config/src/main/resources/holesky.json b/config/src/main/resources/holesky.json
index 1253da5f8..1e373d29e 100644
--- a/config/src/main/resources/holesky.json
+++ b/config/src/main/resources/holesky.json
@@ -29,6 +29,7 @@
       }
     },
     "ethash": {},
+    "depositContractAddress": "0x4242424242424242424242424242424242424242",
     "discovery": {
       "dns": "enrtree://AKA3AM6LPBYEUDMVNU3BSVQJ5AD45Y7YPOHJLEF6W26QOE4VTUDPE@all.holesky.ethdisco.net",
       "bootnodes": [
diff --git a/config/src/main/resources/sepolia.json b/config/src/main/resources/sepolia.json
index f30b7c36d..d152afefa 100644
--- a/config/src/main/resources/sepolia.json
+++ b/config/src/main/resources/sepolia.json
@@ -29,6 +29,7 @@
       }
     },
     "ethash":{},
+    "depositContractAddress": "0x7f02c3e3c98b133055b8b348b2ac625669ed295d",
     "discovery": {
       "dns": "enrtree://AKA3AM6LPBYEUDMVNU3BSVQJ5AD45Y7YPOHJLEF6W26QOE4VTUDPE@all.sepolia.ethdisco.net",
       "bootnodes": [