Upgrade maven-release-plugin to version 2.4.2.
diff --git a/pom.xml b/pom.xml
index 131205c..e51e8ee 100644
--- a/pom.xml
+++ b/pom.xml
@@ -199,7 +199,14 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-release-plugin</artifactId>
-        <version>2.4.1</version>
+        <version>2.4.2</version>
+        <dependencies>
+          <dependency>
+            <groupId>org.apache.maven.scm</groupId>
+            <artifactId>maven-scm-provider-gitexe</artifactId>
+            <version>1.8.1</version>
+          </dependency>
+        </dependencies>
       </plugin>
     </plugins>