diff --git a/pom.xml b/pom.xml
index b93f25e..b7f4cba 100644
--- a/pom.xml
+++ b/pom.xml
@@ -45,7 +45,7 @@
 							<dependency>
 								<groupId>com.puppycrawl.tools</groupId>
 								<artifactId>checkstyle</artifactId>
-								<version>13.3.0</version>
+								<version>13.4.0</version>
 							</dependency>
 						</dependencies>
 						<configuration>
diff --git a/spring-security-advanced-authentication-ui/pom.xml b/spring-security-advanced-authentication-ui/pom.xml
index b6f63de..58ed164 100644
--- a/spring-security-advanced-authentication-ui/pom.xml
+++ b/spring-security-advanced-authentication-ui/pom.xml
@@ -243,7 +243,7 @@
 							<dependency>
 								<groupId>com.puppycrawl.tools</groupId>
 								<artifactId>checkstyle</artifactId>
-								<version>13.3.0</version>
+								<version>13.4.0</version>
 							</dependency>
 						</dependencies>
 						<configuration>