diff --git a/community/bolt/src/main/java/org/neo4j/bolt/transport/TransportSelectionHandler.java b/community/bolt/src/main/java/org/neo4j/bolt/transport/TransportSelectionHandler.java
index 269f6bdb9bac5..8fb90cb69d326 100644
--- a/community/bolt/src/main/java/org/neo4j/bolt/transport/TransportSelectionHandler.java
+++ b/community/bolt/src/main/java/org/neo4j/bolt/transport/TransportSelectionHandler.java
@@ -136,7 +136,7 @@ private void switchToWebsocket( ChannelHandlerContext ctx )
         p.addLast(
                 new HttpServerCodec(),
                 new HttpObjectAggregator( MAX_WEBSOCKET_HANDSHAKE_SIZE ),
-                new WebSocketServerProtocolHandler( "" ),
+                new WebSocketServerProtocolHandler( "/" ),
                 new WebSocketFrameTranslator(),
                 new SocketTransportHandler(
                         new SocketTransportHandler.ProtocolChooser( protocolVersions, isEncrypted ), logging ) );
diff --git a/pom.xml b/pom.xml
index 7cf214d20bfa7..1dc9382039519 100644
--- a/pom.xml
+++ b/pom.xml
@@ -634,7 +634,7 @@
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-all</artifactId>
-        <version>4.0.28.Final</version>
+        <version>4.0.40.Final</version>
       </dependency>
 
       <dependency>