diff --git a/.idea/checkstyle-idea.xml b/.idea/checkstyle-idea.xml
index eb3fcd8..5f35e01 100644
--- a/.idea/checkstyle-idea.xml
+++ b/.idea/checkstyle-idea.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="CheckStyle-IDEA" serialisationVersion="2">
-    <checkstyleVersion>10.15.0</checkstyleVersion>
+    <checkstyleVersion>10.20.1</checkstyleVersion>
     <scanScope>JavaOnlyWithTests</scanScope>
     <suppressErrors>true</suppressErrors>
     <copyLibs>true</copyLibs>
diff --git a/pom.xml b/pom.xml
index 55a8d7b..f525e53 100644
--- a/pom.xml
+++ b/pom.xml
@@ -45,7 +45,7 @@
 							<dependency>
 								<groupId>com.puppycrawl.tools</groupId>
 								<artifactId>checkstyle</artifactId>
-								<version>10.20.0</version>
+								<version>10.20.1</version>
 							</dependency>
 						</dependencies>
 						<configuration>
diff --git a/vaadin-simple-grid-filter/pom.xml b/vaadin-simple-grid-filter/pom.xml
index 63f6763..6311423 100644
--- a/vaadin-simple-grid-filter/pom.xml
+++ b/vaadin-simple-grid-filter/pom.xml
@@ -313,7 +313,7 @@
 							<dependency>
 								<groupId>com.puppycrawl.tools</groupId>
 								<artifactId>checkstyle</artifactId>
-								<version>10.20.0</version>
+								<version>10.20.1</version>
 							</dependency>
 						</dependencies>
 						<configuration>