diff --git a/test/data/serialization/5.1/gms.EndpointState.bin b/test/data/serialization/6.0/gms.EndpointState.bin
similarity index 100%
rename from test/data/serialization/5.1/gms.EndpointState.bin
rename to test/data/serialization/6.0/gms.EndpointState.bin
diff --git a/test/data/serialization/5.1/gms.Gossip.bin b/test/data/serialization/6.0/gms.Gossip.bin
similarity index 100%
rename from test/data/serialization/5.1/gms.Gossip.bin
rename to test/data/serialization/6.0/gms.Gossip.bin
diff --git a/test/data/serialization/5.1/service.SyncComplete.bin b/test/data/serialization/6.0/service.SyncComplete.bin
similarity index 100%
rename from test/data/serialization/5.1/service.SyncComplete.bin
rename to test/data/serialization/6.0/service.SyncComplete.bin
diff --git a/test/data/serialization/5.1/service.SyncRequest.bin b/test/data/serialization/6.0/service.SyncRequest.bin
similarity index 100%
rename from test/data/serialization/5.1/service.SyncRequest.bin
rename to test/data/serialization/6.0/service.SyncRequest.bin
diff --git a/test/data/serialization/5.1/service.ValidationComplete.bin b/test/data/serialization/6.0/service.ValidationComplete.bin
similarity index 100%
rename from test/data/serialization/5.1/service.ValidationComplete.bin
rename to test/data/serialization/6.0/service.ValidationComplete.bin
diff --git a/test/data/serialization/5.1/service.ValidationRequest.bin b/test/data/serialization/6.0/service.ValidationRequest.bin
similarity index 100%
rename from test/data/serialization/5.1/service.ValidationRequest.bin
rename to test/data/serialization/6.0/service.ValidationRequest.bin
diff --git a/test/data/serialization/5.1/utils.EstimatedHistogram.bin b/test/data/serialization/6.0/utils.EstimatedHistogram.bin
similarity index 100%
rename from test/data/serialization/5.1/utils.EstimatedHistogram.bin
rename to test/data/serialization/6.0/utils.EstimatedHistogram.bin
diff --git a/test/unit/org/apache/cassandra/AbstractSerializationsTester.java b/test/unit/org/apache/cassandra/AbstractSerializationsTester.java
index 2509f7e83a..fa95894712 100644
--- a/test/unit/org/apache/cassandra/AbstractSerializationsTester.java
+++ b/test/unit/org/apache/cassandra/AbstractSerializationsTester.java
@@ -36,13 +36,13 @@ import static org.apache.cassandra.config.CassandraRelevantProperties.TEST_SERIA
 
 public class AbstractSerializationsTester
 {
-    protected static final String CUR_VER = CASSANDRA_VERSION.getString("5.1");
+    protected static final String CUR_VER = CASSANDRA_VERSION.getString("6.0");
     protected static final Map<String, Integer> VERSION_MAP = new HashMap<String, Integer> ()
     {{
         put("3.0", MessagingService.VERSION_30);
         put("4.0", MessagingService.VERSION_40);
         put("5.0", MessagingService.VERSION_50);
-        put("5.1", MessagingService.VERSION_60);
+        put("6.0", MessagingService.VERSION_60);
     }};
 
     protected static final boolean EXECUTE_WRITES = TEST_SERIALIZATION_WRITES.getBoolean();