diff --git a/emerald-grpc b/emerald-grpc
index 54e3f44c..04856e95 160000
--- a/emerald-grpc
+++ b/emerald-grpc
@@ -1 +1 @@
-Subproject commit 54e3f44c9d262b5ae6936b7d80a251f32eb142ee
+Subproject commit 04856e955735d2168c0a843f75248e88db2f9b89
diff --git a/foundation/src/main/resources/chains.yaml b/foundation/src/main/resources/chains.yaml
index 3005d15d..bfb509fe 100644
--- a/foundation/src/main/resources/chains.yaml
+++ b/foundation/src/main/resources/chains.yaml
@@ -683,6 +683,12 @@ chain-settings:
           lagging: 1
         fork-choice: quorum
       chains:
+        - id: Mainnet
+          priority: 100
+          code: IMMUTABLE_ZKEVM_MAINNET
+          short-names: [ immutable-zkevm ]
+          chain-id: 0x343b
+          grpcId: 1036
         - id: Testnet
           priority: 1
           code: IMMUTABLE_ZKEVM_TESTNET