diff --git a/pom.xml b/pom.xml
index fa486e7..3b2e7f4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -61,7 +61,7 @@
     <build-helper-maven-plugin.version>3.3.0</build-helper-maven-plugin.version>
     <checkerframework.version>3.24.0</checkerframework.version>
     <!-- We support checkstyle 9.3 and higher; 10.0 requires JDK 11 or higher. -->
-    <checkstyle.version>10.4</checkstyle.version>
+    <checkstyle.version>10.9.1</checkstyle.version>
     <git-commit-id-plugin.version>4.9.10</git-commit-id-plugin.version>
     <!-- We support Guava versions 19.0 and higher. -->
     <guava.version>31.1-jre</guava.version>