diff --git a/topics/testing/code/pom.xml b/topics/testing/code/pom.xml
index cec4a6e..921ed0f 100644
--- a/topics/testing/code/pom.xml
+++ b/topics/testing/code/pom.xml
@@ -26,7 +26,7 @@
         <dependency>
             <groupId>org.apache.commons</groupId>
             <artifactId>commons-lang3</artifactId>
-            <version>3.14.0</version>
+            <version>3.15.0</version>
         </dependency>
         <dependency>
             <groupId>com.h2database</groupId>