diff --git a/pom.xml b/pom.xml
index d7aecad..c5d888c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -93,7 +93,7 @@
         <dependency>
             <groupId>org.apache.commons</groupId>
             <artifactId>commons-lang3</artifactId>
-            <version>3.11</version>
+            <version>3.18.0</version>
         </dependency>
         <dependency>
             <groupId>uk.ac.cam.ch.opsin</groupId>