diff --git a/pom.xml b/pom.xml
index 12c28ee12..39ab64ccb 100644
--- a/pom.xml
+++ b/pom.xml
@@ -462,12 +462,12 @@
 			<dependency>
 				<groupId>com.google.guava</groupId>
 				<artifactId>guava</artifactId>
-				<version>16.0</version>
+				<version>18.0</version>
 			</dependency>
 			<dependency>
 				<groupId>com.google.code.gson</groupId>
 				<artifactId>gson</artifactId>
-				<version>2.0</version>
+				<version>2.3.1</version>
 			</dependency>
 			<dependency>
 				<groupId>org.apache.httpcomponents</groupId>