diff --git a/pom.xml b/pom.xml
index 66c5325..4d8dc45 100644
--- a/pom.xml
+++ b/pom.xml
@@ -546,6 +546,7 @@
             </plugin>
             <plugin>
                 <artifactId>maven-gpg-plugin</artifactId>
+                <version>1.6</version>
                 <executions>
                     <execution>
                         <id>sign-artifacts</id>