diff --git a/tools/tail-ses b/tools/tail-ses
index 4ae522656f..8de0366b4f 100755
--- a/tools/tail-ses
+++ b/tools/tail-ses
@@ -14,7 +14,7 @@ import secrets
 from contextlib import contextmanager
 from typing import Iterator, List, Tuple, TypedDict
 
-import boto3
+import boto3.session
 import orjson
 from django.conf import settings
 from mypy_boto3_ses import SESClient
@@ -30,7 +30,7 @@ class IdentityArgsDict(TypedDict, total=False):
 
 def main() -> None:
 
-    session = boto3.Session()
+    session = boto3.session.Session()
 
     from_address = settings.NOREPLY_EMAIL_ADDRESS
     from_host = Address(addr_spec=from_address).domain
@@ -69,7 +69,7 @@ def main() -> None:
             print_messages(session, queue_url)
 
 
-def get_ses_arn(session: boto3.Session, args: argparse.Namespace) -> str:
+def get_ses_arn(session: boto3.session.Session, args: argparse.Namespace) -> str:
     ses: SESClient = session.client("ses")
 
     notification_settings = ses.get_identity_notification_attributes(Identities=[args.identity])
@@ -85,7 +85,7 @@ def get_ses_arn(session: boto3.Session, args: argparse.Namespace) -> str:
 
 
 @contextmanager
-def our_sqs_queue(session: boto3.Session, ses_topic_arn: str) -> Iterator[Tuple[str, str]]:
+def our_sqs_queue(session: boto3.session.Session, ses_topic_arn: str) -> Iterator[Tuple[str, str]]:
     (_, _, _, region, account_id, topic_name) = ses_topic_arn.split(":")
 
     sqs: SQSClient = session.client("sqs")
@@ -122,7 +122,7 @@ def our_sqs_queue(session: boto3.Session, ses_topic_arn: str) -> Iterator[Tuple[
 
 @contextmanager
 def our_sns_subscription(
-    session: boto3.Session, ses_topic_arn: str, queue_arn: str
+    session: boto3.session.Session, ses_topic_arn: str, queue_arn: str
 ) -> Iterator[str]:
     sns: SNSClient = session.client("sns")
     try:
@@ -141,7 +141,7 @@ def our_sns_subscription(
             sns.unsubscribe(SubscriptionArn=subscription_arn)
 
 
-def print_messages(session: boto3.Session, queue_url: str) -> None:
+def print_messages(session: boto3.session.Session, queue_url: str) -> None:
     sqs: SQSClient = session.client("sqs")
     try:
         while True:
diff --git a/tools/upload-release b/tools/upload-release
index 37f54590c1..8c4f91c870 100755
--- a/tools/upload-release
+++ b/tools/upload-release
@@ -12,7 +12,7 @@ from scripts.lib.setup_path import setup_path
 
 setup_path()
 
-import boto3
+import boto3.session
 from mypy_boto3_s3 import S3Client
 from natsort import natsorted
 
@@ -37,7 +37,7 @@ new_basename = os.path.basename(args.filename)
 if not new_basename.startswith("zulip-server-") or not new_basename.endswith(".tar.gz"):
     parser.error("File does not match zulip-server-*.tar.gz")
 
-session = boto3.Session()
+session = boto3.session.Session()
 client: S3Client = session.client("s3")
 bucket = session.resource("s3", region_name="us-east-1").Bucket("zulip-download")
 
diff --git a/zerver/lib/test_helpers.py b/zerver/lib/test_helpers.py
index 115e43308d..da9bf3aec7 100644
--- a/zerver/lib/test_helpers.py
+++ b/zerver/lib/test_helpers.py
@@ -23,7 +23,7 @@ from typing import (
 )
 from unittest import mock
 
-import boto3
+import boto3.session
 import fakeldap
 import ldap
 import orjson
@@ -564,7 +564,7 @@ def use_s3_backend(method: FuncT) -> FuncT:
 
 
 def create_s3_buckets(*bucket_names: str) -> List[Bucket]:
-    session = boto3.Session(settings.S3_KEY, settings.S3_SECRET_KEY)
+    session = boto3.session.Session(settings.S3_KEY, settings.S3_SECRET_KEY)
     s3 = session.resource("s3")
     buckets = [s3.create_bucket(Bucket=name) for name in bucket_names]
     return buckets
diff --git a/zerver/lib/upload.py b/zerver/lib/upload.py
index ed4fba9e35..e3a9f44820 100644
--- a/zerver/lib/upload.py
+++ b/zerver/lib/upload.py
@@ -331,7 +331,7 @@ class ZulipUploadBackend:
 
 def get_bucket(bucket_name: str, session: Optional[Session] = None) -> Bucket:
     if session is None:
-        session = boto3.Session(settings.S3_KEY, settings.S3_SECRET_KEY)
+        session = Session(settings.S3_KEY, settings.S3_SECRET_KEY)
     bucket = session.resource(
         "s3", region_name=settings.S3_REGION, endpoint_url=settings.S3_ENDPOINT_URL
     ).Bucket(bucket_name)
@@ -418,7 +418,7 @@ def get_signed_upload_url(path: str, download: bool = False) -> str:
 
 class S3UploadBackend(ZulipUploadBackend):
     def __init__(self) -> None:
-        self.session = boto3.Session(settings.S3_KEY, settings.S3_SECRET_KEY)
+        self.session = Session(settings.S3_KEY, settings.S3_SECRET_KEY)
         self.avatar_bucket = get_bucket(settings.S3_AVATAR_BUCKET, self.session)
         self.uploads_bucket = get_bucket(settings.S3_AUTH_UPLOADS_BUCKET, self.session)
 
diff --git a/zerver/migrations/0149_realm_emoji_drop_unique_constraint.py b/zerver/migrations/0149_realm_emoji_drop_unique_constraint.py
index 1e5d09f3ec..ef43ddbf8c 100644
--- a/zerver/migrations/0149_realm_emoji_drop_unique_constraint.py
+++ b/zerver/migrations/0149_realm_emoji_drop_unique_constraint.py
@@ -1,7 +1,7 @@
 import os
 import shutil
 
-import boto3
+import boto3.session
 from django.conf import settings
 from django.db import migrations, models
 from django.db.backends.postgresql.schema import BaseDatabaseSchemaEditor
@@ -61,7 +61,7 @@ class LocalUploader(Uploader):
 class S3Uploader(Uploader):
     def __init__(self) -> None:
         super().__init__()
-        session = boto3.Session(settings.S3_KEY, settings.S3_SECRET_KEY)
+        session = boto3.session.Session(settings.S3_KEY, settings.S3_SECRET_KEY)
         self.bucket_name = settings.S3_AVATAR_BUCKET
         self.bucket = session.resource(
             "s3", region_name=settings.S3_REGION, endpoint_url=settings.S3_ENDPOINT_URL