diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1c509036..730a45e1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -18,7 +18,7 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 ### Removed
 
 ### Fixed
-
+- Fixed DeprecationWarning emitted from urllib3 1.26.13+ ([#246](https://github.com/opensearch-project/opensearch-py/pull/246))
 ### Security
 
 
diff --git a/opensearchpy/connection/http_urllib3.py b/opensearchpy/connection/http_urllib3.py
index 51a4f2d9..6fc09e72 100644
--- a/opensearchpy/connection/http_urllib3.py
+++ b/opensearchpy/connection/http_urllib3.py
@@ -273,7 +273,7 @@ class Urllib3HttpConnection(Connection):
             method, full_url, url, orig_body, response.status, raw_data, duration
         )
 
-        return response.status, response.getheaders(), raw_data
+        return response.status, response.headers, raw_data
 
     def get_response_headers(self, response):
         return {header.lower(): value for header, value in response.headers.items()}