diff --git a/pom.xml b/pom.xml
index 2557db5..7279469 100644
--- a/pom.xml
+++ b/pom.xml
@@ -58,7 +58,7 @@
         <readyForAutoVersion>false</readyForAutoVersion>
 
         <!-- plugin versions -->
-        <flatten-maven-plugin.version>1.6.0</flatten-maven-plugin.version>
+        <flatten-maven-plugin.version>1.7.0</flatten-maven-plugin.version>
         <maven-surefire-plugin.version>3.5.2</maven-surefire-plugin.version>
         <maven-source-plugin.version>3.3.1</maven-source-plugin.version>
         <maven-javadoc-plugin.version>3.11.2</maven-javadoc-plugin.version>