diff --git a/autograder-span/pom.xml b/autograder-span/pom.xml
index 19ff1a13..f1bb15fa 100644
--- a/autograder-span/pom.xml
+++ b/autograder-span/pom.xml
@@ -19,7 +19,7 @@
         <dependency>
             <groupId>org.apache.commons</groupId>
             <artifactId>commons-lang3</artifactId>
-            <version>3.15.0</version>
+            <version>3.16.0</version>
         </dependency>
         <dependency>
             <groupId>com.google.guava</groupId>