diff --git a/build.gradle b/build.gradle
index 7e81f31..843af8f 100644
--- a/build.gradle
+++ b/build.gradle
@@ -7,7 +7,7 @@ plugins {
 
 allprojects {
     group = 'com.strategyobject.substrateclient'
-    version = '0.2.5.1-SNAPSHOT'
+    version = '0.2.5.2-SNAPSHOT'
 
     repositories {
         mavenLocal()
diff --git a/tests/src/main/java/com/strategyobject/substrateclient/tests/containers/FrequencyVersion.java b/tests/src/main/java/com/strategyobject/substrateclient/tests/containers/FrequencyVersion.java
index 5f49ba6..5a2b643 100644
--- a/tests/src/main/java/com/strategyobject/substrateclient/tests/containers/FrequencyVersion.java
+++ b/tests/src/main/java/com/strategyobject/substrateclient/tests/containers/FrequencyVersion.java
@@ -1,8 +1,8 @@
 package com.strategyobject.substrateclient.tests.containers;
 
 public class FrequencyVersion {
-    public static final String CURRENT_VERSION = "v1.10.0";
-    public static final Long SPEC = 67L;
+    public static final String CURRENT_VERSION = "v1.11.0";
+    public static final Long SPEC = 74L;
 
     private FrequencyVersion() {
     }
diff --git a/transport/src/main/java/com/strategyobject/substrateclient/transport/ws/RpcException.java b/transport/src/main/java/com/strategyobject/substrateclient/transport/ws/RpcException.java
index e291cfa..1edaf44 100644
--- a/transport/src/main/java/com/strategyobject/substrateclient/transport/ws/RpcException.java
+++ b/transport/src/main/java/com/strategyobject/substrateclient/transport/ws/RpcException.java
@@ -5,13 +5,11 @@
 @Getter
 public class RpcException extends RuntimeException {
     private final int code;
-    private final String message;
     private final String data;
 
     public RpcException(int code, String message, String data) {
         super("RPC error " + code + ": " + message + (data == null ? "" : " (" + data + ")"));
         this.code = code;
-        this.message = message;
         this.data = data;
     }
 }
\ No newline at end of file