diff --git a/bookshelf-standard/4-auth/pom.xml b/bookshelf-standard/4-auth/pom.xml
index 8a1500664..f6aab1623 100644
--- a/bookshelf-standard/4-auth/pom.xml
+++ b/bookshelf-standard/4-auth/pom.xml
@@ -67,7 +67,7 @@ Copyright 2016 Google Inc.
         <dependency>                        <!-- http://dev.mysql.com/doc/connector-j/en/ -->
           <groupId>mysql</groupId>
           <artifactId>mysql-connector-java</artifactId>
-          <version>5.1.40</version>  <!-- v5.x.x is Java 7, v6.x.x is Java 8 -->
+          <version>8.0.28</version>  <!-- v5.x.x is Java 7, v6.x.x is Java 8 -->
         </dependency>
         <dependency>
           <groupId>com.google.api-client</groupId>