diff --git a/emerald-grpc b/emerald-grpc
index 0e10f0de..8e814567 160000
--- a/emerald-grpc
+++ b/emerald-grpc
@@ -1 +1 @@
-Subproject commit 0e10f0de5695658a92bf7f1436e815adf931af59
+Subproject commit 8e814567e1a3820f22a78329ec24cb90d2fb2322
diff --git a/src/main/kotlin/io/emeraldpay/dshackle/BlockchainType.kt b/src/main/kotlin/io/emeraldpay/dshackle/BlockchainType.kt
index c4993d76..26f51209 100644
--- a/src/main/kotlin/io/emeraldpay/dshackle/BlockchainType.kt
+++ b/src/main/kotlin/io/emeraldpay/dshackle/BlockchainType.kt
@@ -11,7 +11,8 @@ enum class BlockchainType {
                 chain == Chain.OPTIMISM ||
                 chain == Chain.BSC ||
                 chain == Chain.TESTNET_GOERLI ||
-                chain == Chain.ETHEREUM
+                chain == Chain.ETHEREUM ||
+                chain == Chain.TESTNET_SEPOLIA
             ) {
                 return EVM_POS
             }
diff --git a/src/main/kotlin/io/emeraldpay/dshackle/Chain.kt b/src/main/kotlin/io/emeraldpay/dshackle/Chain.kt
index c714d97e..e6bf1c5f 100644
--- a/src/main/kotlin/io/emeraldpay/dshackle/Chain.kt
+++ b/src/main/kotlin/io/emeraldpay/dshackle/Chain.kt
@@ -49,7 +49,8 @@ enum class Chain(val id: Int, val chainCode: String, val chainName: String) {
         "ROPSTEN",
         "Ropsten Testnet"
     ),
-    TESTNET_RINKEBY(10007, "RINKEBY", "Rinkeby Testnet");
+    TESTNET_RINKEBY(10007, "RINKEBY", "Rinkeby Testnet"),
+    TESTNET_SEPOLIA(10008, "SEPOLIA", "Sepolia Testnet");
 
     companion object {
         fun byId(id: Int): Chain {
diff --git a/src/main/kotlin/io/emeraldpay/dshackle/Global.kt b/src/main/kotlin/io/emeraldpay/dshackle/Global.kt
index aadeb033..5c456b66 100644
--- a/src/main/kotlin/io/emeraldpay/dshackle/Global.kt
+++ b/src/main/kotlin/io/emeraldpay/dshackle/Global.kt
@@ -64,7 +64,9 @@ class Global {
             "ropsten" to Chain.TESTNET_ROPSTEN,
             "ropsten-testnet" to Chain.TESTNET_ROPSTEN,
             "bitcoin" to Chain.BITCOIN,
-            "bitcoin-testnet" to Chain.TESTNET_BITCOIN
+            "bitcoin-testnet" to Chain.TESTNET_BITCOIN,
+            "sepolia" to Chain.TESTNET_SEPOLIA,
+            "sepolia-testnet" to Chain.TESTNET_SEPOLIA,
         )
 
         fun chainById(id: String?): Chain {
diff --git a/src/main/kotlin/io/emeraldpay/dshackle/upstream/calls/DefaultEthereumMethods.kt b/src/main/kotlin/io/emeraldpay/dshackle/upstream/calls/DefaultEthereumMethods.kt
index 1ddae212..d98e99b7 100644
--- a/src/main/kotlin/io/emeraldpay/dshackle/upstream/calls/DefaultEthereumMethods.kt
+++ b/src/main/kotlin/io/emeraldpay/dshackle/upstream/calls/DefaultEthereumMethods.kt
@@ -225,6 +225,10 @@ class DefaultEthereumMethods(
                         "\"5\""
                     }
 
+                    Chain.TESTNET_SEPOLIA == chain -> {
+                        "\"11155111\""
+                    }
+
                     else -> throw RpcException(-32602, "Invalid chain")
                 }
             }
@@ -263,6 +267,10 @@ class DefaultEthereumMethods(
                         "\"0x5\""
                     }
 
+                    Chain.TESTNET_SEPOLIA == chain -> {
+                        "\"0xaa36a7\""
+                    }
+
                     else -> throw RpcException(-32602, "Invalid chain")
                 }
             }
diff --git a/src/main/kotlin/io/emeraldpay/dshackle/upstream/ethereum/EthereumMultistream.kt b/src/main/kotlin/io/emeraldpay/dshackle/upstream/ethereum/EthereumMultistream.kt
index 5c8af8fe..f59fcaf4 100644
--- a/src/main/kotlin/io/emeraldpay/dshackle/upstream/ethereum/EthereumMultistream.kt
+++ b/src/main/kotlin/io/emeraldpay/dshackle/upstream/ethereum/EthereumMultistream.kt
@@ -59,7 +59,7 @@ open class EthereumMultistream(
     private var subscribe = EthereumEgressSubscription(this, NoPendingTxes())
 
     private val supportsEIP1559 = when (chain) {
-        Chain.ETHEREUM, Chain.TESTNET_ROPSTEN, Chain.TESTNET_GOERLI, Chain.TESTNET_RINKEBY -> true
+        Chain.ETHEREUM, Chain.TESTNET_ROPSTEN, Chain.TESTNET_GOERLI, Chain.TESTNET_RINKEBY, Chain.TESTNET_SEPOLIA -> true
         else -> false
     }
     private val feeEstimation = if (supportsEIP1559) EthereumPriorityFees(this, reader, 256)