diff --git a/src/it/check-buildplan-warn/invoker.properties b/src/it/check-buildplan-info/invoker.properties
similarity index 94%
rename from src/it/check-buildplan-warn/invoker.properties
rename to src/it/check-buildplan-info/invoker.properties
index f2191ac..e3de0b3 100644
--- a/src/it/check-buildplan-warn/invoker.properties
+++ b/src/it/check-buildplan-info/invoker.properties
@@ -15,4 +15,4 @@
 # specific language governing permissions and limitations
 # under the License.
 
-invoker.goals=artifact:check-buildplan
+invoker.goals=artifact:check-buildplan -Ddiagnose
diff --git a/src/it/check-buildplan-warn/pom.xml b/src/it/check-buildplan-info/pom.xml
similarity index 100%
rename from src/it/check-buildplan-warn/pom.xml
rename to src/it/check-buildplan-info/pom.xml
diff --git a/src/it/check-buildplan-warn/verify.groovy b/src/it/check-buildplan-info/verify.groovy
similarity index 85%
rename from src/it/check-buildplan-warn/verify.groovy
rename to src/it/check-buildplan-info/verify.groovy
index 504e2ec..9fca08d 100644
--- a/src/it/check-buildplan-warn/verify.groovy
+++ b/src/it/check-buildplan-info/verify.groovy
@@ -20,5 +20,5 @@
 
 def buildLog = new File(basedir, 'build.log').text
 
-// https://issues.apache.org/jira/browse/MARTIFACT-24 & MARTIFACT-53
-assert buildLog.contains('[WARNING] <project.build.outputTimestamp> property is inherited, it should be defined in pom.xml')
+// https://issues.apache.org/jira/browse/MARTIFACT-24 & MARTIFACT-53 & MARTIFACT-71
+assert buildLog.contains('[INFO] <project.build.outputTimestamp> property (= 2022-12-11T20:07:23Z) is inherited, you can override in pom.xml')
diff --git a/src/main/java/org/apache/maven/plugins/artifact/buildinfo/AbstractBuildinfoMojo.java b/src/main/java/org/apache/maven/plugins/artifact/buildinfo/AbstractBuildinfoMojo.java
index cf450dd..2a4224b 100644
--- a/src/main/java/org/apache/maven/plugins/artifact/buildinfo/AbstractBuildinfoMojo.java
+++ b/src/main/java/org/apache/maven/plugins/artifact/buildinfo/AbstractBuildinfoMojo.java
@@ -231,7 +231,7 @@ static boolean hasBadOutputTimestamp(
                     + (effective.equals(outputTimestamp) ? "" : (" => " + effective)));
         }
 
-        // check if timestamp defined in a project from reactor: warn if it is not the case
+        // check if timestamp defined in a project from reactor: info if it is not the case
         boolean parentInReactor = false;
         MavenProject reactorParent = project;
         while (reactorProjects.contains(reactorParent.getParent())) {
@@ -240,8 +240,8 @@ static boolean hasBadOutputTimestamp(
         }
         String prop = reactorParent.getOriginalModel().getProperties().getProperty("project.build.outputTimestamp");
         if (prop == null) {
-            log.warn("<project.build.outputTimestamp> property is inherited"
-                    + (parentInReactor ? " from outside the reactor" : "") + ", it should be defined in "
+            log.info("<project.build.outputTimestamp> property (= " + outputTimestamp + ") is inherited"
+                    + (parentInReactor ? " from outside the reactor" : "") + ", you can override in "
                     + (parentInReactor ? "parent POM from reactor " + reactorParent.getFile() : "pom.xml"));
             return false;
         }