diff --git a/pom.xml b/pom.xml
index 538788ef..6fc4ae5a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -69,7 +69,7 @@
         <maven-compiler-plugin.version>3.14.1</maven-compiler-plugin.version>
         <maven-dependency-plugin.version>3.8.1</maven-dependency-plugin.version>
         <maven-surefire-plugin.version>3.5.5</maven-surefire-plugin.version>
-        <flatten-maven-plugin.version>1.7.0</flatten-maven-plugin.version>
+        <flatten-maven-plugin.version>1.7.3</flatten-maven-plugin.version>
     </properties>
 
     <dependencyManagement>