diff --git a/pom.xml b/pom.xml
index e05ced61..d074756c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -444,7 +444,6 @@
                     <plugin>
                         <groupId>org.codehaus.mojo</groupId>
                         <artifactId>flatten-maven-plugin</artifactId>
-                        <version>1.5.0</version>
                         <executions>
                             <execution>
                                 <id>flatten</id>