diff --git a/pom.xml b/pom.xml
index 65f49b109..fd699be5e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -151,7 +151,7 @@
     <xml-resolver.version>1.2</xml-resolver.version>
     <xstream.version>1.4.5</xstream.version>
     <!-- do not update necessary for lesson -->
-    <zxcvbn.version>1.8.0</zxcvbn.version>
+    <zxcvbn.version>1.9.0</zxcvbn.version>
   </properties>
 
   <dependencyManagement>