diff --git a/advanced-demo/pom.xml b/advanced-demo/pom.xml
index c106cdcb..453f9517 100644
--- a/advanced-demo/pom.xml
+++ b/advanced-demo/pom.xml
@@ -196,7 +196,7 @@
 							<dependency>
 								<groupId>com.puppycrawl.tools</groupId>
 								<artifactId>checkstyle</artifactId>
-								<version>12.2.0</version>
+								<version>12.3.1</version>
 							</dependency>
 						</dependencies>
 						<configuration>
diff --git a/base/pom.xml b/base/pom.xml
index 40ae81bb..61ebd1ea 100644
--- a/base/pom.xml
+++ b/base/pom.xml
@@ -306,7 +306,7 @@
 							<dependency>
 								<groupId>com.puppycrawl.tools</groupId>
 								<artifactId>checkstyle</artifactId>
-								<version>12.2.0</version>
+								<version>12.3.1</version>
 							</dependency>
 						</dependencies>
 						<configuration>
diff --git a/db-jdbc-spring-orm-hibernate/pom.xml b/db-jdbc-spring-orm-hibernate/pom.xml
index 924e2b76..839e95c0 100644
--- a/db-jdbc-spring-orm-hibernate/pom.xml
+++ b/db-jdbc-spring-orm-hibernate/pom.xml
@@ -253,7 +253,7 @@
 							<dependency>
 								<groupId>com.puppycrawl.tools</groupId>
 								<artifactId>checkstyle</artifactId>
-								<version>12.2.0</version>
+								<version>12.3.1</version>
 							</dependency>
 						</dependencies>
 						<configuration>
diff --git a/db-jdbc-spring-orm/pom.xml b/db-jdbc-spring-orm/pom.xml
index 468e911a..d2485a1c 100644
--- a/db-jdbc-spring-orm/pom.xml
+++ b/db-jdbc-spring-orm/pom.xml
@@ -253,7 +253,7 @@
 							<dependency>
 								<groupId>com.puppycrawl.tools</groupId>
 								<artifactId>checkstyle</artifactId>
-								<version>12.2.0</version>
+								<version>12.3.1</version>
 							</dependency>
 						</dependencies>
 						<configuration>
diff --git a/db-jdbc/pom.xml b/db-jdbc/pom.xml
index 8403e745..cf05b468 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>12.2.0</version>
+								<version>12.3.1</version>
 							</dependency>
 						</dependencies>
 						<configuration>
diff --git a/jul-to-slf4j/pom.xml b/jul-to-slf4j/pom.xml
index 5bb31d81..3ef31a47 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>12.2.0</version>
+								<version>12.3.1</version>
 							</dependency>
 						</dependencies>
 						<configuration>
diff --git a/mockserver/pom.xml b/mockserver/pom.xml
index 00215c44..9ed64450 100644
--- a/mockserver/pom.xml
+++ b/mockserver/pom.xml
@@ -264,7 +264,7 @@
 							<dependency>
 								<groupId>com.puppycrawl.tools</groupId>
 								<artifactId>checkstyle</artifactId>
-								<version>12.2.0</version>
+								<version>12.3.1</version>
 							</dependency>
 						</dependencies>
 						<configuration>
diff --git a/oidc-server-mock/pom.xml b/oidc-server-mock/pom.xml
index 13e468d7..671030ca 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>12.2.0</version>
+								<version>12.3.1</version>
 							</dependency>
 						</dependencies>
 						<configuration>
diff --git a/pom.xml b/pom.xml
index 9e6c2236..a6fec21a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -74,7 +74,7 @@
 							<dependency>
 								<groupId>com.puppycrawl.tools</groupId>
 								<artifactId>checkstyle</artifactId>
-								<version>12.2.0</version>
+								<version>12.3.1</version>
 							</dependency>
 						</dependencies>
 						<configuration>
diff --git a/selenium/pom.xml b/selenium/pom.xml
index c1485004..db5b43ec 100644
--- a/selenium/pom.xml
+++ b/selenium/pom.xml
@@ -297,7 +297,7 @@
 							<dependency>
 								<groupId>com.puppycrawl.tools</groupId>
 								<artifactId>checkstyle</artifactId>
-								<version>12.2.0</version>
+								<version>12.3.1</version>
 							</dependency>
 						</dependencies>
 						<configuration>
diff --git a/spring-dao-support/pom.xml b/spring-dao-support/pom.xml
index d71c3ac2..85bbf3d4 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>12.2.0</version>
+								<version>12.3.1</version>
 							</dependency>
 						</dependencies>
 						<configuration>