diff --git a/pom.xml b/pom.xml
index 8446fb0..a817911 100644
--- a/pom.xml
+++ b/pom.xml
@@ -57,7 +57,7 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <scala.version>2.11.8</scala.version>
+        <scala.version>2.13.8</scala.version>
         <scala.binary.version>2.12</scala.binary.version>
         <scala.jline.version>2.11.0-M3</scala.jline.version>
         <jetty.version>9.2.16.v20160414</jetty.version>