diff --git a/advanced-demo/pom.xml b/advanced-demo/pom.xml
index 0310c526..921a117c 100644
--- a/advanced-demo/pom.xml
+++ b/advanced-demo/pom.xml
@@ -195,7 +195,7 @@
 							<dependency>
 								<groupId>com.puppycrawl.tools</groupId>
 								<artifactId>checkstyle</artifactId>
-								<version>13.8.0</version>
+								<version>13.9.0</version>
 							</dependency>
 						</dependencies>
 						<configuration>
diff --git a/base/pom.xml b/base/pom.xml
index 2088da66..85a4dd08 100644
--- a/base/pom.xml
+++ b/base/pom.xml
@@ -306,7 +306,7 @@
 							<dependency>
 								<groupId>com.puppycrawl.tools</groupId>
 								<artifactId>checkstyle</artifactId>
-								<version>13.8.0</version>
+								<version>13.9.0</version>
 							</dependency>
 						</dependencies>
 						<configuration>
diff --git a/db-jdbc-spring-orm-eclipselink/pom.xml b/db-jdbc-spring-orm-eclipselink/pom.xml
index d5495136..3104a03c 100644
--- a/db-jdbc-spring-orm-eclipselink/pom.xml
+++ b/db-jdbc-spring-orm-eclipselink/pom.xml
@@ -248,7 +248,7 @@
 							<dependency>
 								<groupId>com.puppycrawl.tools</groupId>
 								<artifactId>checkstyle</artifactId>
-								<version>13.8.0</version>
+								<version>13.9.0</version>
 							</dependency>
 						</dependencies>
 						<configuration>
diff --git a/db-jdbc-spring-orm-hibernate/pom.xml b/db-jdbc-spring-orm-hibernate/pom.xml
index f047b668..07bb03c9 100644
--- a/db-jdbc-spring-orm-hibernate/pom.xml
+++ b/db-jdbc-spring-orm-hibernate/pom.xml
@@ -259,7 +259,7 @@
 							<dependency>
 								<groupId>com.puppycrawl.tools</groupId>
 								<artifactId>checkstyle</artifactId>
-								<version>13.8.0</version>
+								<version>13.9.0</version>
 							</dependency>
 						</dependencies>
 						<configuration>
diff --git a/db-jdbc-spring-orm/pom.xml b/db-jdbc-spring-orm/pom.xml
index 262c1969..fb12f779 100644
--- a/db-jdbc-spring-orm/pom.xml
+++ b/db-jdbc-spring-orm/pom.xml
@@ -258,7 +258,7 @@
 							<dependency>
 								<groupId>com.puppycrawl.tools</groupId>
 								<artifactId>checkstyle</artifactId>
-								<version>13.8.0</version>
+								<version>13.9.0</version>
 							</dependency>
 						</dependencies>
 						<configuration>
diff --git a/db-jdbc/pom.xml b/db-jdbc/pom.xml
index c13c76e4..e562b3de 100644
--- a/db-jdbc/pom.xml
+++ b/db-jdbc/pom.xml
@@ -268,7 +268,7 @@
 							<dependency>
 								<groupId>com.puppycrawl.tools</groupId>
 								<artifactId>checkstyle</artifactId>
-								<version>13.8.0</version>
+								<version>13.9.0</version>
 							</dependency>
 						</dependencies>
 						<configuration>
diff --git a/image-build/pom.xml b/image-build/pom.xml
index dd9e6276..0bc6fdec 100644
--- a/image-build/pom.xml
+++ b/image-build/pom.xml
@@ -247,7 +247,7 @@
 							<dependency>
 								<groupId>com.puppycrawl.tools</groupId>
 								<artifactId>checkstyle</artifactId>
-								<version>13.8.0</version>
+								<version>13.9.0</version>
 							</dependency>
 						</dependencies>
 						<configuration>
diff --git a/jacoco/pom.xml b/jacoco/pom.xml
index c3352020..9b95db55 100644
--- a/jacoco/pom.xml
+++ b/jacoco/pom.xml
@@ -242,7 +242,7 @@
 							<dependency>
 								<groupId>com.puppycrawl.tools</groupId>
 								<artifactId>checkstyle</artifactId>
-								<version>13.8.0</version>
+								<version>13.9.0</version>
 							</dependency>
 						</dependencies>
 						<configuration>
diff --git a/jul-to-slf4j/pom.xml b/jul-to-slf4j/pom.xml
index 495e1155..b2035fdb 100644
--- a/jul-to-slf4j/pom.xml
+++ b/jul-to-slf4j/pom.xml
@@ -242,7 +242,7 @@
 							<dependency>
 								<groupId>com.puppycrawl.tools</groupId>
 								<artifactId>checkstyle</artifactId>
-								<version>13.8.0</version>
+								<version>13.9.0</version>
 							</dependency>
 						</dependencies>
 						<configuration>
diff --git a/junit-jupiter-api-support/pom.xml b/junit-jupiter-api-support/pom.xml
index ad6374a0..25f56b27 100644
--- a/junit-jupiter-api-support/pom.xml
+++ b/junit-jupiter-api-support/pom.xml
@@ -243,7 +243,7 @@
 							<dependency>
 								<groupId>com.puppycrawl.tools</groupId>
 								<artifactId>checkstyle</artifactId>
-								<version>13.8.0</version>
+								<version>13.9.0</version>
 							</dependency>
 						</dependencies>
 						<configuration>
diff --git a/mailpit/pom.xml b/mailpit/pom.xml
index 1aaef515..a8d68e1b 100644
--- a/mailpit/pom.xml
+++ b/mailpit/pom.xml
@@ -290,7 +290,7 @@
 							<dependency>
 								<groupId>com.puppycrawl.tools</groupId>
 								<artifactId>checkstyle</artifactId>
-								<version>13.8.0</version>
+								<version>13.9.0</version>
 							</dependency>
 						</dependencies>
 						<configuration>
diff --git a/mockserver/pom.xml b/mockserver/pom.xml
index 4201102a..9191d062 100644
--- a/mockserver/pom.xml
+++ b/mockserver/pom.xml
@@ -264,7 +264,7 @@
 							<dependency>
 								<groupId>com.puppycrawl.tools</groupId>
 								<artifactId>checkstyle</artifactId>
-								<version>13.8.0</version>
+								<version>13.9.0</version>
 							</dependency>
 						</dependencies>
 						<configuration>
diff --git a/oidc-server-mock/pom.xml b/oidc-server-mock/pom.xml
index 6d49f116..06b8d65f 100644
--- a/oidc-server-mock/pom.xml
+++ b/oidc-server-mock/pom.xml
@@ -248,7 +248,7 @@
 							<dependency>
 								<groupId>com.puppycrawl.tools</groupId>
 								<artifactId>checkstyle</artifactId>
-								<version>13.8.0</version>
+								<version>13.9.0</version>
 							</dependency>
 						</dependencies>
 						<configuration>
diff --git a/pom.xml b/pom.xml
index 88cd0353..1458525f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -79,7 +79,7 @@
 							<dependency>
 								<groupId>com.puppycrawl.tools</groupId>
 								<artifactId>checkstyle</artifactId>
-								<version>13.8.0</version>
+								<version>13.9.0</version>
 							</dependency>
 						</dependencies>
 						<configuration>
diff --git a/selenium/pom.xml b/selenium/pom.xml
index 6e216db4..39ef5680 100644
--- a/selenium/pom.xml
+++ b/selenium/pom.xml
@@ -296,7 +296,7 @@
 							<dependency>
 								<groupId>com.puppycrawl.tools</groupId>
 								<artifactId>checkstyle</artifactId>
-								<version>13.8.0</version>
+								<version>13.9.0</version>
 							</dependency>
 						</dependencies>
 						<configuration>
diff --git a/spring-dao-support/pom.xml b/spring-dao-support/pom.xml
index 14bf5452..a1a18cb0 100644
--- a/spring-dao-support/pom.xml
+++ b/spring-dao-support/pom.xml
@@ -274,7 +274,7 @@
 							<dependency>
 								<groupId>com.puppycrawl.tools</groupId>
 								<artifactId>checkstyle</artifactId>
-								<version>13.8.0</version>
+								<version>13.9.0</version>
 							</dependency>
 						</dependencies>
 						<configuration>