diff --git a/pom.xml b/pom.xml
index 5eeaf1a29..3f91d4d99 100644
--- a/pom.xml
+++ b/pom.xml
@@ -115,6 +115,7 @@
                     <plugin>
                         <groupId>org.apache.maven.plugins</groupId>
                         <artifactId>maven-gpg-plugin</artifactId>
+                        <version>1.6</version>
                         <executions>
                             <execution>
                                 <id>sign-artifacts</id>