diff --git a/src/main/java/com/criteo/gerrit/plugins/automerge/AutomaticMerger.java b/src/main/java/com/criteo/gerrit/plugins/automerge/AutomaticMerger.java
index 0a2549e..83e26dd 100644
--- a/src/main/java/com/criteo/gerrit/plugins/automerge/AutomaticMerger.java
+++ b/src/main/java/com/criteo/gerrit/plugins/automerge/AutomaticMerger.java
@@ -17,7 +17,6 @@
 import com.google.common.collect.Lists;
 import com.google.gerrit.common.EventListener;
 import com.google.gerrit.extensions.api.GerritApi;
-import com.google.gerrit.extensions.api.changes.ChangeApi;
 import com.google.gerrit.extensions.common.ChangeInfo;
 import com.google.gerrit.extensions.client.ListChangesOption;
 import com.google.gerrit.extensions.events.LifecycleListener;
@@ -32,6 +31,7 @@
 import com.google.gerrit.server.events.CommentAddedEvent;
 import com.google.gerrit.server.events.Event;
 import com.google.gerrit.server.events.PatchSetCreatedEvent;
+import com.google.gerrit.server.events.RefUpdatedEvent;
 import com.google.gerrit.server.events.TopicChangedEvent;
 import com.google.gerrit.server.git.MergeUtil;
 import com.google.gerrit.server.update.UpdateException;
@@ -97,8 +97,14 @@
     else if (event instanceof CommentAddedEvent) {
       onCommentAdded((CommentAddedEvent)event);
     }
+    // it is not an else since the previous automatic submit(s) can potentially
+    // trigger others on the whole project/branch
+    if (event instanceof RefUpdatedEvent) {
+      onRefUpdatedEvent((RefUpdatedEvent) event);
+    }
   }
 
+
   private void onTopicChanged(final TopicChangedEvent event) {
     ChangeAttribute change = event.change.get();
     if (!atomicityHelper.isAtomicReview(change)) {
@@ -135,6 +141,42 @@
     }
   }
 
+  private void onRefUpdatedEvent(final RefUpdatedEvent event) {
+    String refName = event.getRefName();
+    String projectName = event.getProjectNameKey().get();
+    try {
+      api.changes()
+          .query("branch:" + refName + " project:" + projectName + " is:submittable")
+          .get()
+          .forEach(
+              submittable -> {
+                try {
+                  log.info(
+                      "Found another submittable change #"
+                          + submittable._number
+                          + " on project "
+                          + projectName
+                          + " during update of ref "
+                          + refName
+                          + ": Submitting ...");
+                  atomicityHelper.mergeReview(submittable.project, submittable._number);
+                } catch (RestApiException | OrmException | IOException e) {
+                  log.error(
+                      "Cannot autosubmit change "
+                          + submittable._number
+                          + " on project "
+                          + projectName
+                          + " to ref "
+                          + refName,
+                      e);
+                }
+              });
+    } catch (RestApiException e) {
+      log.error(
+          "Cannot query submittable changes on project " + projectName + " for ref " + refName);
+    }
+  }
+
   private void autoSubmitIfMergeable(ChangeAttribute change)
       throws OrmException, RestApiException, NoSuchChangeException, IOException, UpdateException {
     if (atomicityHelper.isSubmittable(change.project, change.number)) {