diff --git a/service-netty/pom.xml b/service-netty/pom.xml
index bcb0a6d48..16c496fe1 100644
--- a/service-netty/pom.xml
+++ b/service-netty/pom.xml
@@ -26,7 +26,7 @@
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-databind</artifactId>
-            <version>2.8.6</version>
+            <version>2.9.5</version>
         </dependency>
     </dependencies>
 </project>
\ No newline at end of file
diff --git a/service-pubnub/pom.xml b/service-pubnub/pom.xml
index 59bdaff6a..40cb75eed 100644
--- a/service-pubnub/pom.xml
+++ b/service-pubnub/pom.xml
@@ -13,12 +13,12 @@
         <dependency>
             <groupId>com.pubnub</groupId>
             <artifactId>pubnub-gson</artifactId>
-            <version>4.14.0</version>
+            <version>4.19.0</version>
         </dependency>
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-databind</artifactId>
-            <version>2.8.6</version>
+            <version>2.9.5</version>
         </dependency>
     </dependencies>
 </project>
\ No newline at end of file
diff --git a/xchange-gdax/src/main/java/info/bitrich/xchangestream/gdax/GDAXStreamingService.java b/xchange-gdax/src/main/java/info/bitrich/xchangestream/gdax/GDAXStreamingService.java
index ca268cdfd..1864efb05 100644
--- a/xchange-gdax/src/main/java/info/bitrich/xchangestream/gdax/GDAXStreamingService.java
+++ b/xchange-gdax/src/main/java/info/bitrich/xchangestream/gdax/GDAXStreamingService.java
@@ -10,8 +10,6 @@
 import org.slf4j.LoggerFactory;
 
 import com.fasterxml.jackson.databind.JsonNode;
-import com.fasterxml.jackson.databind.ObjectMapper;
-
 import info.bitrich.xchangestream.core.ProductSubscription;
 import info.bitrich.xchangestream.gdax.dto.GDAXWebSocketSubscriptionMessage;
 import info.bitrich.xchangestream.gdax.netty.WebSocketClientCompressionAllowClientNoContextHandler;