diff --git a/THIRD_PARTY_NOTICES.md b/THIRD_PARTY_NOTICES.md
index 55a966b..5834e60 100644
--- a/THIRD_PARTY_NOTICES.md
+++ b/THIRD_PARTY_NOTICES.md
@@ -1,31 +1,14 @@
 # Third Party Notices
 The aws_s3_log_ingestion_lambda uses source code from third party libraries which carry their own copyright notices and license terms. These notices are provided below.
- the event that a required notice is missing or incorrect, please notify us by e-mailing open-source@newrelic.com.
-r any licenses that require the disclosure of source code, the source code can be found at https://github.com/newrelic/aws_s3_log_ingestion_lambda.
+In the event that a required notice is missing or incorrect, please notify us by e-mailing open-source@newrelic.com.
+For any licenses that require the disclosure of source code, the source code can be found at https://github.com/newrelic/aws_s3_log_ingestion_lambda.
 # Content
 **[dependencies](#dependencies)**
 
 # Dependencies
 | Name              | Version    | License                                                      |
 |-------------------|------------|--------------------------------------------------------------|
-| Pympler           | 0.8        | Apache License, Version 2.0                                  |
 | aiohttp           | 3.6.2      | Apache 2                                                     |
-| async-timeout     | 3.0.1      | Apache 2                                                     |
-| attrs             | 19.3.0     | MIT                                                          |
-| boto              | 2.49.0     | MIT                                                          |
 | boto3             | 1.14.40    | Apache License 2.0                                           |
-| botocore          | 1.17.40    | Apache License 2.0                                           |
-| certifi           | 2020.6.20  | MPL-2.0                                                      |
-| chardet           | 3.0.4      | LGPL                                                         |
-| docutils          | 0.15.2     | public domain, Python, 2-Clause BSD, GPL 3 (see COPYING.txt) |
-| idna              | 2.10       | BSD-like                                                     |
-| jmespath          | 0.10.0     | MIT                                                          |
-| multidict         | 4.7.6      | Apache 2                                                     |
 | python-dateutil   | 2.8.1      | Dual License                                                 |
-| requests          | 2.24.0     | Apache 2.0                                                   |
-| s3transfer        | 0.3.3      | Apache License 2.0                                           |
-| six               | 1.15.0     | MIT                                                          |
 | smart-open        | 2.1.0      | MIT                                                          |
-| typing-extensions | 3.7.4.2    | GPL-compatible, see: https://docs.python.org/3/license.html  |
-| urllib3           | 1.25.10    | MIT                                                          |
-| yarl              | 1.5.1      | Apache 2                                                     |
diff --git a/src/handler.py b/src/handler.py
index 4cdb27f..e173708 100644
--- a/src/handler.py
+++ b/src/handler.py
@@ -1,8 +1,8 @@
 import json
-import sys
+from sys import getsizeof
 import urllib.parse
 import boto3
-import gzip
+from gzip import compress
 import os
 from urllib import request
 import aiohttp
@@ -10,7 +10,7 @@
 import time
 import logging
 from smart_open import open
-import re
+from re import search
 from dateutil import parser
 
 
@@ -95,7 +95,7 @@ def _is_ignore_log_file(key=None, regex_pattern=None):
     if not regex_pattern:
         regex_pattern = _get_optional_env("S3_IGNORE_PATTERN", "$^")
 
-    return bool(re.search(regex_pattern, key))
+    return bool(search(regex_pattern, key))
 
 
 def _isCloudTrail(key=None, regex_pattern=None):
@@ -106,7 +106,7 @@ def _isCloudTrail(key=None, regex_pattern=None):
         regex_pattern = _get_optional_env(
             "S3_CLOUDTRAIL_LOG_PATTERN", ".*CloudTrail.*\.json.gz$")
 
-    return bool(re.search(regex_pattern, key))
+    return bool(search(regex_pattern, key))
 
 def _convert_float(s):
     try:
@@ -173,9 +173,9 @@ def _compress_payload(data):
     This method usually returns a list of one element, but can be bigger if the
     payload size is too big
     """
-    logger.debug(f"uncompressed size: {sys.getsizeof(json.dumps(data).encode())}")
-    payload = gzip.compress(json.dumps(data).encode())
-    logger.debug(f"compressed size: {sys.getsizeof(payload)}")
+    logger.debug(f"uncompressed size: {getsizeof(json.dumps(data).encode())}")
+    payload = compress(json.dumps(data).encode())
+    logger.debug(f"compressed size: {getsizeof(payload)}")
     return payload
 
 
@@ -300,7 +300,7 @@ async def _fetch_data_from_s3(bucket, key, context):
                 log_lines = cloudtrail_events
 
             for index, log in enumerate(log_lines):
-                log_batch_size += sys.getsizeof(str(log))
+                log_batch_size += getsizeof(str(log))
                 if index % 500 == 0:
                     logger.debug(f"index: {index}")
                     logger.debug(f"log_batch_size: {log_batch_size}")
diff --git a/src/requirements.txt b/src/requirements.txt
index f2053b4..aba5040 100644
--- a/src/requirements.txt
+++ b/src/requirements.txt
@@ -1,20 +1,4 @@
 aiohttp==3.8.4
-async-timeout==4.0.2
-attrs==19.3.0
-boto==2.49.0
 boto3==1.24.59
-botocore==1.27.59
-certifi==2022.12.7
-chardet==3.0.4
-docutils==0.15.2
-idna==2.10
-jmespath==0.10.0
-multidict==4.7.6
 python-dateutil==2.8.1
-requests==2.28.1
-s3transfer==0.6.0
-six==1.15.0
-smart-open==2.1.0
-typing-extensions==3.7.4.2
-urllib3==1.26.15
-yarl==1.5.1
+smart-open==6.3.0
\ No newline at end of file