diff --git a/pom.xml b/pom.xml
index 25e59ec5..948c16c3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -63,7 +63,7 @@
         <maven-release-plugin.version>3.1.1</maven-release-plugin.version>
         <maven-scm-provider-gitexe.version>1.11.2</maven-scm-provider-gitexe.version>
         <nexus-staging-maven-plugin.version>1.7.0</nexus-staging-maven-plugin.version>
-        <flatten-maven-plugin.version>1.2.7</flatten-maven-plugin.version>
+        <flatten-maven-plugin.version>1.7.3</flatten-maven-plugin.version>
         <maven-site-plugin.version>3.9.0</maven-site-plugin.version>
         <maven-deploy-plugin.version>3.1.4</maven-deploy-plugin.version>
         <maven-enforcer-plugin.version>3.6.1</maven-enforcer-plugin.version>