diff --git a/pom.xml b/pom.xml
index b94a5bd74..65f49b109 100644
--- a/pom.xml
+++ b/pom.xml
@@ -113,7 +113,7 @@
     <bootstrap.version>5.3.3</bootstrap.version>
     <cglib.version>3.3.0</cglib.version>
     <!-- do not update necessary for lesson -->
-    <checkstyle.version>3.3.1</checkstyle.version>
+    <checkstyle.version>3.4.0</checkstyle.version>
     <commons-collections.version>3.2.1</commons-collections.version>
     <commons-compress.version>1.26.0</commons-compress.version>
     <commons-io.version>2.16.1</commons-io.version>