diff --git a/dubbo-api-docs/pom.xml b/dubbo-api-docs/pom.xml
index cac76a6a..665b9efd 100644
--- a/dubbo-api-docs/pom.xml
+++ b/dubbo-api-docs/pom.xml
@@ -38,7 +38,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <skip_maven_deploy>false</skip_maven_deploy>
 
-        <maven-flatten-version>1.1.0</maven-flatten-version>
+        <maven-flatten-version>1.6.0</maven-flatten-version>
         <maven-checkstyle-plugin-version>3.0.0</maven-checkstyle-plugin-version>
 
         <spring-boot.version>2.3.4.RELEASE</spring-boot.version>
diff --git a/dubbo-extensions-dependencies-bom/pom.xml b/dubbo-extensions-dependencies-bom/pom.xml
index 7fc67274..5438b3b2 100644
--- a/dubbo-extensions-dependencies-bom/pom.xml
+++ b/dubbo-extensions-dependencies-bom/pom.xml
@@ -138,7 +138,7 @@
         <codehaus-jackson_version>1.9.13</codehaus-jackson_version>
         <swagger_version>1.6.14</swagger_version>
         <polaris_adapter_version>0.2.1</polaris_adapter_version>
-        <maven_flatten_version>1.2.5</maven_flatten_version>
+        <maven_flatten_version>1.6.0</maven_flatten_version>
         <byte-buddy.version>1.14.5</byte-buddy.version>
         <commons_net_version>3.10.0</commons_net_version>
         <snakeyaml_version>2.2</snakeyaml_version>
diff --git a/pom.xml b/pom.xml
index 095be2c7..5abbd318 100644
--- a/pom.xml
+++ b/pom.xml
@@ -134,7 +134,7 @@
         <maven_javadoc_version>3.2.0</maven_javadoc_version>
         <maven_checkstyle_version>3.1.2</maven_checkstyle_version>
         <maven_jacoco_version>0.8.6</maven_jacoco_version>
-        <maven_flatten_version>1.2.5</maven_flatten_version>
+        <maven_flatten_version>1.6.0</maven_flatten_version>
         <maven_enforce_version>3.0.0-M3</maven_enforce_version>
         <apache-rat-plugin.version>0.13</apache-rat-plugin.version>
         <skip_maven_deploy>false</skip_maven_deploy>