diff --git a/pom.xml b/pom.xml
index 7691edd..d269e13 100644
--- a/pom.xml
+++ b/pom.xml
@@ -14,7 +14,7 @@
 
     <properties>
         <!-- dependencies -->
-        <commons-lang3.version>3.17.0</commons-lang3.version>
+        <commons-lang3.version>3.21.0</commons-lang3.version>
         <commons-io.version>2.18.0</commons-io.version>
 
         <!-- test dependencies -->