diff --git a/pom.xml b/pom.xml
index e6bce753..87bb9633 100644
--- a/pom.xml
+++ b/pom.xml
@@ -10,7 +10,7 @@
     </parent>
 
     <artifactId>daway</artifactId>
-    <version>2.0.0</version>
+    <version>2.1.0</version>
     <packaging>jar</packaging>
 
     <name>daway</name>
@@ -90,7 +90,7 @@
         <dependency>
             <groupId>net.logstash.logback</groupId>
             <artifactId>logstash-logback-encoder</artifactId>
-            <version>7.4</version>
+            <version>9.0</version>
         </dependency>
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>