diff --git a/pom.xml b/pom.xml
index 3931a8fec..bcfb7d915 100644
--- a/pom.xml
+++ b/pom.xml
@@ -43,7 +43,7 @@
 		<dependency>
 			<groupId>io.netty</groupId>
 			<artifactId>netty-all</artifactId>
-			<version>4.0.32.Final</version>
+			<version>4.1.17.Final</version>
 		</dependency>
 
 		<dependency>
@@ -55,7 +55,7 @@
 		<dependency>
 			<groupId>org.bouncycastle</groupId>
 			<artifactId>bcprov-jdk15on</artifactId>
-			<version>1.51</version>
+			<version>1.54</version>
 		</dependency>
 
 		<dependency>
@@ -83,9 +83,9 @@
 		</dependency>
 
 		<dependency>
-			<groupId>javax.jmdns</groupId>
+			<groupId>org.jmdns</groupId>
 			<artifactId>jmdns</artifactId>
-			<version>3.4.1</version>
+			<version>3.5.3</version>
 		</dependency>
 
 		<dependency>