diff --git a/pom.xml b/pom.xml
index f1d153c..89b8f6e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -190,7 +190,7 @@
         <dependency>
             <groupId>commons-cli</groupId>
             <artifactId>commons-cli</artifactId>
-            <version>1.8.0</version>
+            <version>1.9.0</version>
         </dependency>
         <dependency>
             <groupId>org.mapdb</groupId>