Pick up plugin version from parent POM
diff --git a/pom.xml b/pom.xml
index ef2e73b..001ca26 100644
--- a/pom.xml
+++ b/pom.xml
@@ -267,7 +267,6 @@
           <plugin>
             <groupId>org.codehaus.mojo</groupId>
             <artifactId>exec-maven-plugin</artifactId>
-            <version>3.3.0</version>
             <executions>
               <execution>
                 <id>benchmark</id>