diff --git a/in-action/itcast-juc/itcast-juc/pom.xml b/in-action/itcast-juc/itcast-juc/pom.xml
index 2284400..9a60c26 100644
--- a/in-action/itcast-juc/itcast-juc/pom.xml
+++ b/in-action/itcast-juc/itcast-juc/pom.xml
@@ -37,7 +37,7 @@
     <dependency>
       <groupId>ch.qos.logback</groupId>
       <artifactId>logback-core</artifactId>
-      <version>1.3.15</version>
+      <version>1.3.16</version>
     </dependency>
   </dependencies>