diff --git a/unmaintained/client-java-android21/pom.xml b/unmaintained/client-java-android21/pom.xml
index d50b544..2b26932 100644
--- a/unmaintained/client-java-android21/pom.xml
+++ b/unmaintained/client-java-android21/pom.xml
@@ -61,7 +61,7 @@
     <dependency>
       <groupId>org.apache.commons</groupId>
       <artifactId>commons-lang3</artifactId>
-      <version>3.7</version>
+      <version>3.18.0</version>
     </dependency>
 
     <dependency>