diff --git a/wls-briefwahl-service/pom.xml b/wls-briefwahl-service/pom.xml
index 3d9ee1312..813d673ff 100644
--- a/wls-briefwahl-service/pom.xml
+++ b/wls-briefwahl-service/pom.xml
@@ -431,7 +431,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-checkstyle-plugin</artifactId>
-                <version>3.3.1</version>
+                <version>3.4.0</version>
                 <configuration>
                     <configLocation>checkstyle.xml</configLocation>
                 </configuration>
diff --git a/wls-broadcast-service/pom.xml b/wls-broadcast-service/pom.xml
index d6da91e7c..98c2967b0 100644
--- a/wls-broadcast-service/pom.xml
+++ b/wls-broadcast-service/pom.xml
@@ -431,7 +431,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-checkstyle-plugin</artifactId>
-                <version>3.3.1</version>
+                <version>3.4.0</version>
                 <configuration>
                     <configLocation>checkstyle.xml</configLocation>
                     <excludeGeneratedSources>true</excludeGeneratedSources>
diff --git a/wls-common/pom.xml b/wls-common/pom.xml
index e30a11681..0bc25239e 100644
--- a/wls-common/pom.xml
+++ b/wls-common/pom.xml
@@ -160,7 +160,7 @@
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-checkstyle-plugin</artifactId>
-                    <version>3.3.1</version>
+                    <version>3.4.0</version>
                     <configuration>
                         <configLocation>checkstyle.xml</configLocation>
                         <excludeGeneratedSources>true</excludeGeneratedSources>
diff --git a/wls-eai-service/pom.xml b/wls-eai-service/pom.xml
index a1e45f48e..7b9be0e59 100644
--- a/wls-eai-service/pom.xml
+++ b/wls-eai-service/pom.xml
@@ -409,7 +409,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-checkstyle-plugin</artifactId>
-                <version>3.3.1</version>
+                <version>3.4.0</version>
                 <configuration>
                     <configLocation>checkstyle.xml</configLocation>
                     <excludeGeneratedSources>true</excludeGeneratedSources>
diff --git a/wls-infomanagement-service/pom.xml b/wls-infomanagement-service/pom.xml
index b3681abe8..3089130e2 100644
--- a/wls-infomanagement-service/pom.xml
+++ b/wls-infomanagement-service/pom.xml
@@ -428,7 +428,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-checkstyle-plugin</artifactId>
-                <version>3.3.1</version>
+                <version>3.4.0</version>
                 <configuration>
                     <configLocation>checkstyle.xml</configLocation>
                     <excludeGeneratedSources>true</excludeGeneratedSources>
diff --git a/wls-wahlvorbereitung-service/pom.xml b/wls-wahlvorbereitung-service/pom.xml
index 6c57a9dd9..fdb57b862 100644
--- a/wls-wahlvorbereitung-service/pom.xml
+++ b/wls-wahlvorbereitung-service/pom.xml
@@ -431,7 +431,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-checkstyle-plugin</artifactId>
-                <version>3.3.1</version>
+                <version>3.4.0</version>
                 <configuration>
                     <configLocation>checkstyle.xml</configLocation>
                     <excludeGeneratedSources>true</excludeGeneratedSources>