diff --git a/pom.xml b/pom.xml
index b918fc1..d5ba213 100644
--- a/pom.xml
+++ b/pom.xml
@@ -168,7 +168,7 @@
             <plugin>
                 <groupId>org.codehaus.mojo</groupId>
                 <artifactId>flatten-maven-plugin</artifactId>
-                <version>1.3.0</version>
+                <version>1.4.0</version>
                 <configuration>
                     <flattenMode>bom</flattenMode>
                     <flattenedPomFilename>.flattened</flattenedPomFilename>