diff --git a/cas-client-integration-tomcat-v8/pom.xml b/cas-client-integration-tomcat-v8/pom.xml
index c38bfc2..3df8103 100644
--- a/cas-client-integration-tomcat-v8/pom.xml
+++ b/cas-client-integration-tomcat-v8/pom.xml
@@ -50,7 +50,7 @@
         <dependency>
             <groupId>org.apache.tomcat</groupId>
             <artifactId>tomcat-catalina</artifactId>
-            <version>8.5.46</version>
+            <version>8.5.47</version>
             <type>jar</type>
             <scope>provided</scope>
             <exclusions>
diff --git a/cas-client-integration-tomcat-v85/pom.xml b/cas-client-integration-tomcat-v85/pom.xml
index 41ab88d..23f6f44 100644
--- a/cas-client-integration-tomcat-v85/pom.xml
+++ b/cas-client-integration-tomcat-v85/pom.xml
@@ -57,7 +57,7 @@
         <dependency>
             <groupId>org.apache.tomcat</groupId>
             <artifactId>tomcat-catalina</artifactId>
-            <version>8.5.46</version>
+            <version>8.5.47</version>
             <type>jar</type>
             <scope>provided</scope>
             <exclusions>