diff --git a/.github/workflows/contributors/update_contributors.py b/.github/workflows/contributors/update_contributors.py
index 1847d4ab..3d10845f 100644
--- a/.github/workflows/contributors/update_contributors.py
+++ b/.github/workflows/contributors/update_contributors.py
@@ -1,10 +1,10 @@
-import hashlib
-import json
 import os
+import json
 import random
+import hashlib
 
-import pandas as pd
 import requests
+import pandas as pd
 from absl import app
 from absl import logging
 
@@ -87,6 +87,7 @@ def main(_):
     next_page = res.links.get("next", {}).get("url", None)
     last_page = res.links.get("last", {}).get("url", None)
 
+  usernames = set()
   commit_data = []
   for node in data:
     commit_message = node.get("commit", {}).get("message", pd.NA)
@@ -111,6 +112,14 @@ def main(_):
     elif committer_login_info:
       username = committer_login_info["login"]
 
+    try:
+        if username:
+            usernames.add(username)
+    except Exception as e:
+        logging.error(f"Error parsing username: {username}")
+
+
+
     commit_data.append(
         {
             "commit_message": commit_message,
@@ -119,6 +128,12 @@ def main(_):
         }
     )
   commit_data_df = pd.DataFrame(commit_data)
+
+  username_to_fullname = {}
+  for username in usernames:
+      user_data = get_user_data_from_username(username)
+      username_to_fullname[username] = user_data['user_full_name']
+
   co_authors_list = [get_co_authors_from_commit_message(row["commit_message"])
                      for index, row in commit_data_df.iterrows()]
   co_authors_df = pd.concat(co_authors_list, ignore_index=True)
@@ -194,6 +209,11 @@ def main(_):
       lambda row: row['username'] if '@' in row['user_full_name'] else row[
         'user_full_name'],
       axis=1)
+  
+  commit_data_df['user_full_name'] = commit_data_df.apply(
+  lambda row: username_to_fullname[row['username']] if row['username'] in username_to_fullname else row['user_full_name'], axis=1
+  )
+
 
   def generate_gravatar_url(name):
     random.seed(name)