diff --git a/vendor-update/vendor-update.py b/vendor-update/vendor-update.py
index dde40b3..bfbe445 100644
--- a/vendor-update/vendor-update.py
+++ b/vendor-update/vendor-update.py
@@ -19,6 +19,9 @@
 GITHUB_TOKEN = os.getenv("GITHUB_TOKEN", None)
 BASE_BRANCH = os.getenv("BASE_BRANCH", "main")
 REPO_PATH = os.getenv("REPO_PATH", None)
+PR_REVIEWERS = os.getenv("PR_REVIEWERS", [])
+PR_TEAM_REVIEWERS = os.getenv("PR_TEAM_REVIEWERS", ["admins"])
+
 PR_TITLE = []
 
 
@@ -131,9 +134,15 @@
         body = Template(f.read()).render(deps=UPDATED_DEPS)
     title = f"{" and ".join(PR_TITLE)} Updates"
     if pulls.totalCount == 0:
-        gh_repo.create_pull(
+        pull = gh_repo.create_pull(
             base=BASE_BRANCH, head=BRANCH_NAME, title=title, body=body, draft=True
         )
+        pull.create_review_request(team_reviewers=PR_TEAM_REVIEWERS, reviewers=PR_REVIEWERS)
     elif pulls.totalCount == 1:
         pull: PullRequest = pulls[0]
         pull.edit(body=body, title=title)
+        users, teams = pull.get_review_requests()
+        new_users = list(set(PR_REVIEWERS + [user.login for user in users]))
+        new_teams = list(set(PR_TEAM_REVIEWERS + [team.name for team in teams]))
+        pull.create_review_request(team_reviewers=PR_TEAM_REVIEWERS, reviewers=new_users)
+