diff --git a/pom.xml b/pom.xml
index 142ee640..aec33238 100644
--- a/pom.xml
+++ b/pom.xml
@@ -679,7 +679,7 @@
                 <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>