Update dependency com.diffplug.spotless:spotless-maven-plugin to v2.39.0
diff --git a/jgvariant-parent/pom.xml b/jgvariant-parent/pom.xml
index 602356e..b0bc7ed 100644
--- a/jgvariant-parent/pom.xml
+++ b/jgvariant-parent/pom.xml
@@ -64,7 +64,7 @@
     <maven-javadoc-plugin.version>3.5.0</maven-javadoc-plugin.version>
     <maven-source-plugin.version>3.3.0</maven-source-plugin.version>
     <nexus-staging-plugin.version>1.6.13</nexus-staging-plugin.version>
-    <spotless-plugin.version>2.38.0</spotless-plugin.version>
+    <spotless-plugin.version>2.39.0</spotless-plugin.version>
     <surefire-plugin.version>3.1.2</surefire-plugin.version>
     <versions-plugin.version>2.16.0</versions-plugin.version>