diff --git a/pom.xml b/pom.xml
index 37abdc9..71ce513 100644
--- a/pom.xml
+++ b/pom.xml
@@ -60,7 +60,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-surefire-plugin</artifactId>
-        <version>3.5.5</version>
+        <version>3.5.6</version>
       </plugin>
 
       <!--- Generates JavaDoc files during build phase. -->