diff --git a/pom.xml b/pom.xml
index d35b425..c43ff98 100644
--- a/pom.xml
+++ b/pom.xml
@@ -53,29 +53,29 @@
 		<dependency>
 			<groupId>junit</groupId>
 			<artifactId>junit</artifactId>
-			<version>4.11</version>
+			<version>4.13.1</version>
 			<scope>test</scope>
 		</dependency>
 
 		<dependency>
 			<groupId>com.google.guava</groupId>
 			<artifactId>guava</artifactId>
-			<version>14.0-rc1</version>
+			<version>32.0.1-jre</version>
 		</dependency>
 		<dependency>
 			<groupId>org.scala-lang</groupId>
 			<artifactId>scala-library</artifactId>
-			<version>2.11.5</version>
+			<version>2.11.9</version>
 		</dependency>
 		<dependency>
 			<groupId>org.apache.zookeeper</groupId>
 			<artifactId>zookeeper</artifactId>
-			<version>3.4.6</version>
+			<version>3.9.3</version>
 		</dependency>
 		<dependency>
 			<groupId>org.xerial.snappy</groupId>
 			<artifactId>snappy-java</artifactId>
-			<version>1.1.1.6</version>
+			<version>1.1.10.4</version>
 		</dependency>
 		<dependency>
 			<groupId>org.apache.commons</groupId>