diff --git a/red5-pro-simpleauth-custom-validator-kit/pom.xml b/red5-pro-simpleauth-custom-validator-kit/pom.xml
index 2ca5961..b8c8d08 100644
--- a/red5-pro-simpleauth-custom-validator-kit/pom.xml
+++ b/red5-pro-simpleauth-custom-validator-kit/pom.xml
@@ -24,7 +24,7 @@
         <commons.chain.version>1.2</commons.chain.version>
         <junit.version>4.13.1</junit.version>
         <slf4j.version>1.7.25</slf4j.version>
-        <logback.version>1.2.3</logback.version>
+        <logback.version>1.3.15</logback.version>
         <gson.version>2.3.1</gson.version>
     </properties>
     <dependencies>