diff --git a/simple/scala-plugin-scala-2.13/pom.xml b/simple/scala-plugin-scala-2.13/pom.xml
index d5b2bb6..d2c7a75 100644
--- a/simple/scala-plugin-scala-2.13/pom.xml
+++ b/simple/scala-plugin-scala-2.13/pom.xml
@@ -31,7 +31,7 @@ under the License.
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
 
-        <scala.version>2.13.8</scala.version>
+        <scala.version>2.13.9</scala.version>
 
         <junit.version>4.12</junit.version>