diff --git a/rpc/rpc-sections/src/test/java/com/strategyobject/substrateclient/rpc/sections/StateTests.java b/rpc/rpc-sections/src/test/java/com/strategyobject/substrateclient/rpc/sections/StateTests.java
index f8539bff..be61ffb5 100644
--- a/rpc/rpc-sections/src/test/java/com/strategyobject/substrateclient/rpc/sections/StateTests.java
+++ b/rpc/rpc-sections/src/test/java/com/strategyobject/substrateclient/rpc/sections/StateTests.java
@@ -59,7 +59,7 @@ void getMetadata() throws ExecutionException, InterruptedException, TimeoutExcep
             State rpcSection = sectionFactory.create(State.class, wsProvider);
 
             assertDoesNotThrow(() -> {
-                rpcSection.getMetadata().get(WAIT_TIMEOUT * 3, TimeUnit.SECONDS);
+                rpcSection.getMetadata().get(WAIT_TIMEOUT * 10, TimeUnit.SECONDS);
             });
         }
     }
diff --git a/rpc/src/main/java/com/strategyobject/substrateclient/rpc/Rpc.java b/rpc/src/main/java/com/strategyobject/substrateclient/rpc/Rpc.java
index dd8b99df..36280f1b 100644
--- a/rpc/src/main/java/com/strategyobject/substrateclient/rpc/Rpc.java
+++ b/rpc/src/main/java/com/strategyobject/substrateclient/rpc/Rpc.java
@@ -3,6 +3,7 @@
 import com.strategyobject.substrateclient.rpc.sections.Author;
 import com.strategyobject.substrateclient.rpc.sections.Chain;
 import com.strategyobject.substrateclient.rpc.sections.State;
+import com.strategyobject.substrateclient.rpc.sections.System;
 
 public interface Rpc {
     Author getAuthor();