diff --git a/wls-admin-service/pom.xml b/wls-admin-service/pom.xml
index 591e9a207..6dd6a01cb 100644
--- a/wls-admin-service/pom.xml
+++ b/wls-admin-service/pom.xml
@@ -437,7 +437,7 @@
                     <dependency>
                         <groupId>com.puppycrawl.tools</groupId>
                         <artifactId>checkstyle</artifactId>
-                        <version>10.18.2</version>
+                        <version>10.20.1</version>
                     </dependency>
                 </dependencies>
             </plugin>
diff --git a/wls-auth-service/pom.xml b/wls-auth-service/pom.xml
index 79fad4aa2..dc7219030 100644
--- a/wls-auth-service/pom.xml
+++ b/wls-auth-service/pom.xml
@@ -512,7 +512,7 @@
                     <dependency>
                         <groupId>com.puppycrawl.tools</groupId>
                         <artifactId>checkstyle</artifactId>
-                        <version>10.18.2</version>
+                        <version>10.20.1</version>
                     </dependency>
                 </dependencies>
             </plugin>
diff --git a/wls-basisdaten-service/pom.xml b/wls-basisdaten-service/pom.xml
index 91241207f..6f5eae1cd 100644
--- a/wls-basisdaten-service/pom.xml
+++ b/wls-basisdaten-service/pom.xml
@@ -558,7 +558,7 @@
                     <dependency>
                         <groupId>com.puppycrawl.tools</groupId>
                         <artifactId>checkstyle</artifactId>
-                        <version>10.18.2</version>
+                        <version>10.20.1</version>
                     </dependency>
                 </dependencies>
             </plugin>
diff --git a/wls-briefwahl-service/pom.xml b/wls-briefwahl-service/pom.xml
index 03180fd99..5a159179e 100644
--- a/wls-briefwahl-service/pom.xml
+++ b/wls-briefwahl-service/pom.xml
@@ -463,7 +463,7 @@
                     <dependency>
                         <groupId>com.puppycrawl.tools</groupId>
                         <artifactId>checkstyle</artifactId>
-                        <version>10.18.2</version>
+                        <version>10.20.1</version>
                     </dependency>
                 </dependencies>
             </plugin>
diff --git a/wls-broadcast-service/pom.xml b/wls-broadcast-service/pom.xml
index c72e1e508..cbb80d74d 100644
--- a/wls-broadcast-service/pom.xml
+++ b/wls-broadcast-service/pom.xml
@@ -466,7 +466,7 @@
                     <dependency>
                         <groupId>com.puppycrawl.tools</groupId>
                         <artifactId>checkstyle</artifactId>
-                        <version>10.18.2</version>
+                        <version>10.20.1</version>
                     </dependency>
                 </dependencies>
             </plugin>
diff --git a/wls-common/pom.xml b/wls-common/pom.xml
index 9f451589d..9e4e8878f 100644
--- a/wls-common/pom.xml
+++ b/wls-common/pom.xml
@@ -177,7 +177,7 @@
                         <dependency>
                             <groupId>com.puppycrawl.tools</groupId>
                             <artifactId>checkstyle</artifactId>
-                            <version>10.18.2</version>
+                            <version>10.20.1</version>
                         </dependency>
                     </dependencies>
                 </plugin>
diff --git a/wls-eai-service/pom.xml b/wls-eai-service/pom.xml
index 4dab591a4..53b1cb9c6 100644
--- a/wls-eai-service/pom.xml
+++ b/wls-eai-service/pom.xml
@@ -482,7 +482,7 @@
                     <dependency>
                         <groupId>com.puppycrawl.tools</groupId>
                         <artifactId>checkstyle</artifactId>
-                        <version>10.18.2</version>
+                        <version>10.20.1</version>
                     </dependency>
                 </dependencies>
             </plugin>
diff --git a/wls-ergebnismeldung-service/pom.xml b/wls-ergebnismeldung-service/pom.xml
index 1329ba6b5..a457f1d03 100644
--- a/wls-ergebnismeldung-service/pom.xml
+++ b/wls-ergebnismeldung-service/pom.xml
@@ -437,7 +437,7 @@
                     <dependency>
                         <groupId>com.puppycrawl.tools</groupId>
                         <artifactId>checkstyle</artifactId>
-                        <version>10.18.2</version>
+                        <version>10.20.1</version>
                     </dependency>
                 </dependencies>
             </plugin>
diff --git a/wls-infomanagement-service/pom.xml b/wls-infomanagement-service/pom.xml
index c2114812c..0cbd21166 100644
--- a/wls-infomanagement-service/pom.xml
+++ b/wls-infomanagement-service/pom.xml
@@ -463,7 +463,7 @@
                     <dependency>
                         <groupId>com.puppycrawl.tools</groupId>
                         <artifactId>checkstyle</artifactId>
-                        <version>10.18.2</version>
+                        <version>10.20.1</version>
                     </dependency>
                 </dependencies>
             </plugin>
diff --git a/wls-monitoring-service/pom.xml b/wls-monitoring-service/pom.xml
index 6554a2165..4b94aa128 100644
--- a/wls-monitoring-service/pom.xml
+++ b/wls-monitoring-service/pom.xml
@@ -520,7 +520,7 @@
                     <dependency>
                         <groupId>com.puppycrawl.tools</groupId>
                         <artifactId>checkstyle</artifactId>
-                        <version>10.18.2</version>
+                        <version>10.20.1</version>
                     </dependency>
                 </dependencies>
             </plugin>
diff --git a/wls-vorfaelleundvorkommnisse-service/pom.xml b/wls-vorfaelleundvorkommnisse-service/pom.xml
index 3863287da..7abdd9f5e 100644
--- a/wls-vorfaelleundvorkommnisse-service/pom.xml
+++ b/wls-vorfaelleundvorkommnisse-service/pom.xml
@@ -467,7 +467,7 @@
                     <dependency>
                         <groupId>com.puppycrawl.tools</groupId>
                         <artifactId>checkstyle</artifactId>
-                        <version>10.18.2</version>
+                        <version>10.20.1</version>
                     </dependency>
                 </dependencies>
             </plugin>
diff --git a/wls-wahlvorbereitung-service/pom.xml b/wls-wahlvorbereitung-service/pom.xml
index b7170b0b4..ab946cef2 100644
--- a/wls-wahlvorbereitung-service/pom.xml
+++ b/wls-wahlvorbereitung-service/pom.xml
@@ -464,7 +464,7 @@
                     <dependency>
                         <groupId>com.puppycrawl.tools</groupId>
                         <artifactId>checkstyle</artifactId>
-                        <version>10.18.2</version>
+                        <version>10.20.1</version>
                     </dependency>
                 </dependencies>
             </plugin>
diff --git a/wls-wahlvorstand-service/pom.xml b/wls-wahlvorstand-service/pom.xml
index c5e4c5cb7..37a550aba 100644
--- a/wls-wahlvorstand-service/pom.xml
+++ b/wls-wahlvorstand-service/pom.xml
@@ -437,7 +437,7 @@
                     <dependency>
                         <groupId>com.puppycrawl.tools</groupId>
                         <artifactId>checkstyle</artifactId>
-                        <version>10.18.2</version>
+                        <version>10.20.1</version>
                     </dependency>
                 </dependencies>
             </plugin>