diff --git a/src/matlab-websocket/pom.xml b/src/matlab-websocket/pom.xml
index 5c2b9ce..26223cc 100644
--- a/src/matlab-websocket/pom.xml
+++ b/src/matlab-websocket/pom.xml
@@ -49,7 +49,7 @@
         <dependency>
             <groupId>org.java-websocket</groupId>
             <artifactId>Java-WebSocket</artifactId>
-            <version>1.3.9</version>
+            <version>1.5.1</version>
         </dependency>
     </dependencies>
 </project>
diff --git a/src/matlab-websocket/src/main/java/io/github/jebej/matlabwebsocket/MatlabWebSocketServer.java b/src/matlab-websocket/src/main/java/io/github/jebej/matlabwebsocket/MatlabWebSocketServer.java
index 88e610a..8104ddb 100644
--- a/src/matlab-websocket/src/main/java/io/github/jebej/matlabwebsocket/MatlabWebSocketServer.java
+++ b/src/matlab-websocket/src/main/java/io/github/jebej/matlabwebsocket/MatlabWebSocketServer.java
@@ -74,7 +74,7 @@ public void onClose( WebSocket conn, int code, String reason, boolean remote ) {
 
     // Retrieve a connection by hashcode
     public WebSocket getConnection( int hashCode ) {
-		Collection<WebSocket> conns = connections();
+		Collection<WebSocket> conns = getConnections();
 		synchronized ( conns ) {
 			for( WebSocket c : conns ) {
 				if (c.hashCode() == hashCode) {
@@ -102,7 +102,7 @@ public void sendTo( int hashCode, byte[] bytes ) {
 
     // Send text message to all clients
     public void sendToAll( String message ) {
-		Collection<WebSocket> conns = connections();
+		Collection<WebSocket> conns = getConnections();
 		synchronized ( conns ) {
 			for( WebSocket c : conns ) {
 				c.send( message );
@@ -112,7 +112,7 @@ public void sendToAll( String message ) {
 
     // Send binary message to all clients
     public void sendToAll( ByteBuffer blob ) {
-		Collection<WebSocket> conns = connections();
+		Collection<WebSocket> conns = getConnections();
 		synchronized ( conns ) {
 			for( WebSocket c : conns ) {
 				c.send( blob );
@@ -132,7 +132,7 @@ public void close( int hashCode ) {
 
     // Close all connections
     public void closeAll() {
-		Collection<WebSocket> conns = connections();
+		Collection<WebSocket> conns = getConnections();
 		synchronized ( conns ) {
 			for( WebSocket c : conns ) {
 				c.close();