diff --git a/src/main/kotlin/com/github/jleskovar/btcrpc/BitcoinRpcDataTypes.kt b/src/main/kotlin/com/github/jleskovar/btcrpc/BitcoinRpcDataTypes.kt
index 3506f08..d7921ad 100644
--- a/src/main/kotlin/com/github/jleskovar/btcrpc/BitcoinRpcDataTypes.kt
+++ b/src/main/kotlin/com/github/jleskovar/btcrpc/BitcoinRpcDataTypes.kt
@@ -1,5 +1,6 @@
 package com.github.jleskovar.btcrpc
 
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties
 import java.math.BigDecimal
 
 /**
@@ -259,6 +260,7 @@ data class NodeAddress(
         val address: String? = null,
         val connected: String? = null)
 
+@JsonIgnoreProperties(ignoreUnknown = true)
 data class BlockInfo(
         val hash: String? = null,
         val confirmations: Long? = null,
@@ -279,6 +281,7 @@ data class BlockInfo(
         val previousblockhash: String? = null,
         val nextblockhash: String? = null)
 
+@JsonIgnoreProperties(ignoreUnknown = true)
 data class BlockInfoWithTransactions(
         val hash: String? = null,
         val confirmations: Long? = null,