diff --git a/pom.xml b/pom.xml
index 277553f7fb..d13c488a60 100644
--- a/pom.xml
+++ b/pom.xml
@@ -272,7 +272,7 @@
       <dependency>
         <groupId>org.apache.commons</groupId>
         <artifactId>commons-lang3</artifactId>
-        <version>3.20.0</version> <!-- WARNING: if changed, see `docs/dependency_conflicts.md` -->
+        <version>3.21.0</version> <!-- WARNING: if changed, see `docs/dependency_conflicts.md` -->
       </dependency>
 
       <!--