diff --git a/Src/PEx/pom.xml b/Src/PEx/pom.xml
index f8401cce2..ae91c005f 100644
--- a/Src/PEx/pom.xml
+++ b/Src/PEx/pom.xml
@@ -107,7 +107,7 @@
         <dependency>
             <groupId>org.apache.commons</groupId>
             <artifactId>commons-lang3</artifactId>
-            <version>3.12.0</version>
+            <version>3.18.0</version>
         </dependency>
         <dependency>
             <groupId>org.json</groupId>