diff --git a/pom.xml b/pom.xml
index e9b12eaf2..a99989dea 100644
--- a/pom.xml
+++ b/pom.xml
@@ -113,7 +113,7 @@
     <bootstrap.version>5.2.3</bootstrap.version>
     <cglib.version>2.2</cglib.version>
     <!-- do not update necessary for lesson -->
-    <checkstyle.version>3.1.2</checkstyle.version>
+    <checkstyle.version>3.2.1</checkstyle.version>
     <commons-collections.version>3.2.1</commons-collections.version>
     <commons-io.version>2.11.0</commons-io.version>
     <commons-lang3.version>3.12.0</commons-lang3.version>