diff --git a/examples/JDBC/taosdemo/pom.xml b/examples/JDBC/taosdemo/pom.xml
index 91b976c2ae6c76a5ae2d7b76c3b90d05e4dae57f..cce3960d994ed3155bae41471af808c007168cf8 100644
--- a/examples/JDBC/taosdemo/pom.xml
+++ b/examples/JDBC/taosdemo/pom.xml
@@ -88,7 +88,7 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-core</artifactId>
-            <version>2.14.1</version>
+            <version>2.17.1</version>
         </dependency>
         <!-- junit -->
         <dependency>