diff --git a/pom.xml b/pom.xml
index d0bbd83..7876e35 100644
--- a/pom.xml
+++ b/pom.xml
@@ -56,7 +56,7 @@
     <!-- build tool versions -->
     <checkstyle.version>13.3.0</checkstyle.version>
     <maven-checkstyle-plugin.version>3.6.0</maven-checkstyle-plugin.version>
-    <spotless-maven-plugin.version>3.3.0</spotless-maven-plugin.version>
+    <spotless-maven-plugin.version>3.4.0</spotless-maven-plugin.version>
     <templating-maven-plugin.version>3.1.0</templating-maven-plugin.version>
     <maven-compiler-plugin.version>3.15.0</maven-compiler-plugin.version>
     <surefire-plugin.version>3.5.5</surefire-plugin.version>