diff --git a/pom.xml b/pom.xml
index 0f8def31..f370ccc8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -126,7 +126,7 @@
     <build-helper-maven-plugin.version>3.6.1</build-helper-maven-plugin.version>
     <central-publishing-maven-plugin.version>0.11.0</central-publishing-maven-plugin.version>
     <exec-maven-plugin.version>3.6.3</exec-maven-plugin.version>
-    <flatten-maven-plugin.version>1.7.3</flatten-maven-plugin.version>
+    <flatten-maven-plugin.version>1.8.0</flatten-maven-plugin.version>
     <license-maven-plugin.version>5.0.0</license-maven-plugin.version>
     <maven-antrun-plugin.version>3.2.0</maven-antrun-plugin.version>
     <maven-dependency-plugin.version>3.11.0</maven-dependency-plugin.version>