diff --git a/parent/pom.xml b/parent/pom.xml
index 425d9e0..1694c9c 100644
--- a/parent/pom.xml
+++ b/parent/pom.xml
@@ -181,7 +181,7 @@
                <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-gpg-plugin</artifactId>
-                    <version>1.4</version>
+                    <version>1.6</version>
                     <executions>
                       <execution>
                         <id>gpg</id>