diff --git a/pom.xml b/pom.xml
index 6766e993e..3cf6e9c43 100644
--- a/pom.xml
+++ b/pom.xml
@@ -71,8 +71,8 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
         <distribution.format>zip</distribution.format>
-        <version.jackson>2.6.3</version.jackson>
-        <version.slf4j>1.7.12</version.slf4j>
+        <version.jackson>2.7.1</version.jackson>
+        <version.slf4j>1.7.16</version.slf4j>
         <maven.compiler.source>1.7</maven.compiler.source>
         <maven.compiler.target>1.7</maven.compiler.target>
         <timestamp>${maven.build.timestamp}</timestamp>
@@ -191,7 +191,7 @@
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-compiler-plugin</artifactId>
-                    <version>3.3</version>
+                    <version>3.5.1</version>
                 </plugin>
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
@@ -221,12 +221,12 @@
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-site-plugin</artifactId>
-                    <version>3.4</version>
+                    <version>3.5</version>
                 </plugin>
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-surefire-plugin</artifactId>
-                    <version>2.18.1</version>
+                    <version>2.19.1</version>
                 </plugin>
                 <plugin>
                     <groupId>pl.project13.maven</groupId>