diff --git a/gradle.properties b/gradle.properties
index f12f95b..f7109f7 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -35,7 +35,7 @@ mockkVersion=1.12.3
 springMockkVersion=3.1.1
 
 # WE SDK
-weNodeClientVersion=1.1.0
+weNodeClientVersion=1.3.1
 
 # GitHub properties
 gitHubProject = "waves-enterprise/we-contract-sdk"
diff --git a/we-contract-sdk-core/src/main/kotlin/com/wavesenterprise/sdk/contract/core/state/ContractStateReaderIml.kt b/we-contract-sdk-core/src/main/kotlin/com/wavesenterprise/sdk/contract/core/state/ContractStateReaderIml.kt
index 0e339d3..710e33e 100644
--- a/we-contract-sdk-core/src/main/kotlin/com/wavesenterprise/sdk/contract/core/state/ContractStateReaderIml.kt
+++ b/we-contract-sdk-core/src/main/kotlin/com/wavesenterprise/sdk/contract/core/state/ContractStateReaderIml.kt
@@ -13,6 +13,7 @@ import com.wavesenterprise.sdk.contract.core.state.mapping.ReadMappingForType
 import com.wavesenterprise.sdk.contract.core.state.mapping.ReadMappingForTypeReference
 import com.wavesenterprise.sdk.node.domain.DataEntry
 import com.wavesenterprise.sdk.node.domain.contract.ContractId
+import com.wavesenterprise.sdk.node.exception.specific.DataKeyNotExistException
 import java.util.Optional
 
 class ContractStateReaderIml(
@@ -90,7 +91,11 @@ class ContractStateReaderIml(
     }
 
     private fun getKeyValue(key: String): DataEntry? =
-        backingMap[key] ?: nodeContractStateValuesProvider.getForKeyAsNullable(contractId, key)?.also { backingMap[key] = it }
+        try {
+            backingMap[key] ?: nodeContractStateValuesProvider.getForKeyAsNullable(contractId, key)?.also { backingMap[key] = it }
+        } catch (ex: DataKeyNotExistException) {
+            null
+        }
 
     private fun <T> getNullableValue(key: String, valueType: Class<T>): T? =
         getKeyValue(key)?.run {