diff --git a/packages/common/src/chains.ts b/packages/common/src/chains.ts
index 86ad6bbb758..5058bdc7aae 100644
--- a/packages/common/src/chains.ts
+++ b/packages/common/src/chains.ts
@@ -179,6 +179,7 @@ export const Sepolia: ChainConfig = {
     nonce: '0x0000000000000000',
     extraData: '0x5365706f6c69612c20417468656e732c204174746963612c2047726565636521',
   },
+  depositContractAddress: '0x7f02c3e3c98b133055b8b348b2ac625669ed295d',
   hardforks: [
     {
       name: 'chainstart',
@@ -313,6 +314,7 @@ export const Holesky: ChainConfig = {
     nonce: '0x0000000000001234',
     timestamp: '0x65156994',
   },
+  depositContractAddress: '0x4242424242424242424242424242424242424242',
   hardforks: [
     {
       name: 'chainstart',