diff --git a/pom.xml b/pom.xml
index 57fbcea0..06a9af82 100644
--- a/pom.xml
+++ b/pom.xml
@@ -45,7 +45,6 @@
     <maven-pmd-plugin.version>3.13.0</maven-pmd-plugin.version>
     <pmd.version>6.22.0</pmd.version>
     <maven-checkstyle-plugin.version>3.1.1</maven-checkstyle-plugin.version>
-    <maven-checkstyle-plugin.version>3.1.0</maven-checkstyle-plugin.version>
     <checkstyle.version>8.31</checkstyle.version>
     <spotbugs-maven-plugin.version>4.0.0</spotbugs-maven-plugin.version>
     <findsecbugs-plugin.version>1.10.1</findsecbugs-plugin.version>