diff --git a/services/bots/src/github-webhook/handlers/blocking_labels.ts b/services/bots/src/github-webhook/handlers/blocking_labels.ts
index 3924c98..73b644f 100644
--- a/services/bots/src/github-webhook/handlers/blocking_labels.ts
+++ b/services/bots/src/github-webhook/handlers/blocking_labels.ts
@@ -15,7 +15,11 @@ export const LabelsToCheck: {
 };
 
 export class BlockingLabels extends BaseWebhookHandler {
-  public allowedEventTypes = [EventType.PULL_REQUEST_LABELED, EventType.PULL_REQUEST_UNLABELED];
+  public allowedEventTypes = [
+    EventType.PULL_REQUEST_LABELED,
+    EventType.PULL_REQUEST_UNLABELED,
+    EventType.PULL_REQUEST_SYNCHRONIZE,
+  ];
   public allowedRepositories = Object.keys(LabelsToCheck) as Repository[];
 
   async handle(context: WebhookContext<PullRequestLabeledEvent | PullRequestUnlabeledEvent>) {
diff --git a/tests/services/bots/github-webhook/verify_enabled_handlers.spec.ts b/tests/services/bots/github-webhook/verify_enabled_handlers.spec.ts
index d286c5e..cbed75b 100644
--- a/tests/services/bots/github-webhook/verify_enabled_handlers.spec.ts
+++ b/tests/services/bots/github-webhook/verify_enabled_handlers.spec.ts
@@ -104,6 +104,7 @@ describe('GithubWebhookModule', () => {
     {
       eventType: EventType.PULL_REQUEST_SYNCHRONIZE,
       handlers: [
+        'BlockingLabels',
         'DocsMissing',
         'MergeConflictChecker',
         'PlatinumReview',