diff --git a/codes/algorithm/pom.xml b/codes/algorithm/pom.xml
index 307f4bd..adee64e 100644
--- a/codes/algorithm/pom.xml
+++ b/codes/algorithm/pom.xml
@@ -32,7 +32,7 @@
     <dependency>
       <groupId>ch.qos.logback</groupId>
       <artifactId>logback-classic</artifactId>
-      <version>1.2.9</version>
+      <version>1.2.13</version>
     </dependency>
     <dependency>
       <groupId>org.junit.jupiter</groupId>