diff --git a/pom.xml b/pom.xml
index dc76cb4..01e44ec 100644
--- a/pom.xml
+++ b/pom.xml
@@ -41,7 +41,7 @@ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/ma
     <dependency>
       <groupId>org.apache.commons</groupId>
       <artifactId>commons-lang3</artifactId>
-      <version>3.18.0</version>
+      <version>3.9</version>
     </dependency>
     <dependency>
       <groupId>commons-logging</groupId>