diff --git a/pom.xml b/pom.xml
index f318a5f..a9ed28c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -63,7 +63,7 @@
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-all</artifactId>
-            <version>4.0.32.Final</version>
+            <version>4.1.42.Final</version>
         </dependency>
 
         <dependency>
@@ -81,7 +81,7 @@
         <dependency>
             <groupId>net.openhft</groupId>
             <artifactId>zero-allocation-hashing</artifactId>
-            <version>0.4</version>
+            <version>0.27ea0</version>
         </dependency>
 
         <!-- Logging -->
@@ -94,19 +94,19 @@
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>
-            <version>1.1.3</version>
+            <version>1.3.15</version>
         </dependency>
 
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-core</artifactId>
-            <version>1.1.3</version>
+            <version>1.3.15</version>
         </dependency>
 
         <dependency>
             <groupId>org.yaml</groupId>
             <artifactId>snakeyaml</artifactId>
-            <version>1.16</version>
+            <version>1.32</version>
         </dependency>
 
         <dependency>
@@ -126,7 +126,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.12</version>
+            <version>4.13.1</version>
             <scope>test</scope>
         </dependency>