diff --git a/assertj-generator/pom.xml b/assertj-generator/pom.xml
index a4bfb2f..8f6cb2c 100644
--- a/assertj-generator/pom.xml
+++ b/assertj-generator/pom.xml
@@ -33,7 +33,7 @@
     <dependency>
       <groupId>org.apache.commons</groupId>
       <artifactId>commons-lang3</artifactId>
-      <version>3.20.0</version>
+      <version>3.21.0</version>
     </dependency>
     <dependency>
       <groupId>commons-cli</groupId>