compiler upgrade
diff --git a/pom.xml b/pom.xml
index 1fc3948..56985af 100644
--- a/pom.xml
+++ b/pom.xml
@@ -138,7 +138,7 @@
             <plugin>
             <groupId>org.apache.maven.plugins</groupId>
             <artifactId>maven-compiler-plugin</artifactId>
-            <version>3.11.0</version>
+            <version>3.12.0</version>
             <configuration>
               <source>${maven.compiler.source}</source>
               <target>${maven.compiler.target}</target>