diff --git a/adapter-s4j/pom.xml b/adapter-s4j/pom.xml
index d991cca46..634fc9bbb 100644
--- a/adapter-s4j/pom.xml
+++ b/adapter-s4j/pom.xml
@@ -79,7 +79,7 @@
         <dependency>
             <groupId>org.apache.commons</groupId>
             <artifactId>commons-configuration2</artifactId>
-            <version>2.8.0</version>
+            <version>2.9.0</version>
         </dependency>
 
         <!-- https://mvnrepository.com/artifact/org.conscrypt/conscrypt-openjdk -->