diff --git a/pom.xml b/pom.xml
index 70aca99..1cfa20c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -57,7 +57,7 @@
   <dependency>
    <groupId>org.apache.commons</groupId>
    <artifactId>commons-lang3</artifactId>
-   <version>3.9</version>
+   <version>3.18.0</version>
   </dependency>
   <dependency>
    <groupId>org.pcollections</groupId>