diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 34d4dbc7a8..b4c8511f56 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -17,7 +17,7 @@ jobs:
       - uses: actions/setup-python@v2
         with:
           # Once codebase is updated, this can easily be changed to any specific version.
-          python-version: "3.10"
+          python-version: "3.11"
 
       - name: Install Poetry
         uses: snok/install-poetry@v1
diff --git a/cl/recap/tasks.py b/cl/recap/tasks.py
index 4d48d057c5..f882eca460 100644
--- a/cl/recap/tasks.py
+++ b/cl/recap/tasks.py
@@ -1,7 +1,7 @@
+import hashlib
 import logging
 from dataclasses import dataclass
 from datetime import datetime
-from io import BytesIO
 from typing import List, Optional, Tuple
 from zipfile import ZipFile
 
@@ -12,7 +12,7 @@
 from django.conf import settings
 from django.contrib.auth.models import User
 from django.core.exceptions import ValidationError
-from django.core.files.base import ContentFile
+from django.core.files.base import ContentFile, File
 from django.core.files.uploadedfile import SimpleUploadedFile
 from django.db import IntegrityError, transaction
 from django.utils.timezone import now
@@ -53,7 +53,6 @@
 )
 from cl.corpus_importer.utils import mark_ia_upload_needed
 from cl.custom_filters.templatetags.text_filters import oxford_join
-from cl.lib.crypto import sha1
 from cl.lib.filesizes import convert_size_to_bytes
 from cl.lib.microservice_utils import microservice
 from cl.lib.pacer import is_pacer_court_accessible, map_cl_to_pacer_id
@@ -316,7 +315,8 @@ def process_recap_pdf(self, pk):
 
     # Do the file, finally.
     try:
-        file_contents = pq.filepath_local.read()
+        with pq.filepath_local.open("rb") as f:
+            new_sha1 = hashlib.file_digest(f, "sha1").hexdigest()
     except IOError as exc:
         msg = f"Internal processing error ({exc.errno}: {exc.strerror})."
         if (self.request.retries == self.max_retries) or pq.debug:
@@ -326,10 +326,6 @@ def process_recap_pdf(self, pk):
             mark_pq_status(pq, msg, PROCESSING_STATUS.QUEUED_FOR_RETRY)
             raise self.retry(exc=exc)
 
-    if not file_contents:
-        return None
-
-    new_sha1 = sha1(file_contents)
     existing_document = all(
         [
             rd.sha1 == new_sha1,
@@ -340,7 +336,6 @@ def process_recap_pdf(self, pk):
     if not existing_document:
         # Different sha1, it wasn't available, or it's missing from disk. Move
         # the new file over from the processing queue storage.
-        cf = ContentFile(file_contents)
         file_name = get_document_filename(
             rd.docket_entry.docket.court_id,
             rd.docket_entry.docket.pacer_case_id,
@@ -348,7 +343,8 @@ def process_recap_pdf(self, pk):
             rd.attachment_number,
         )
         if not pq.debug:
-            rd.filepath_local.save(file_name, cf, save=False)
+            with pq.filepath_local.open("rb") as f:
+                rd.filepath_local.save(file_name, File(f), save=False)
 
             # Do page count and extraction
             response = microservice(
diff --git a/cl/settings/third_party/aws.py b/cl/settings/third_party/aws.py
index 5b943f8ce2..f5350367a8 100644
--- a/cl/settings/third_party/aws.py
+++ b/cl/settings/third_party/aws.py
@@ -18,6 +18,7 @@
 AWS_S3_CUSTOM_DOMAIN = "storage.courtlistener.com"
 AWS_DEFAULT_ACL = "public-read"
 AWS_QUERYSTRING_AUTH = False
+AWS_S3_MAX_MEMORY_SIZE = 16 * 1024 * 1024
 
 if DEVELOPMENT:
     AWS_STORAGE_BUCKET_NAME = "dev-com-courtlistener-storage"
diff --git a/poetry.lock b/poetry.lock
index d923189ec5..7f91780e6a 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -94,11 +94,7 @@ files = [
 
 [package.dependencies]
 lazy-object-proxy = ">=1.4.0"
-typing-extensions = {version = ">=4.0.0", markers = "python_version < \"3.11\""}
-wrapt = [
-    {version = ">=1.11,<2", markers = "python_version < \"3.11\""},
-    {version = ">=1.14,<2", markers = "python_version >= \"3.11\""},
-]
+wrapt = {version = ">=1.14,<2", markers = "python_version >= \"3.11\""}
 
 [[package]]
 name = "asttokens"
@@ -271,7 +267,6 @@ mypy-extensions = ">=0.4.3"
 packaging = ">=22.0"
 pathspec = ">=0.9.0"
 platformdirs = ">=2"
-tomli = {version = ">=1.1.0", markers = "python_version < \"3.11\""}
 
 [package.extras]
 colorama = ["colorama (>=0.4.3)"]
@@ -1169,7 +1164,6 @@ files = [
 django = "*"
 django-stubs-ext = ">=4.2.0"
 mypy = ">=0.980"
-tomli = {version = "*", markers = "python_version < \"3.11\""}
 types-pytz = "*"
 types-PyYAML = "*"
 typing-extensions = "*"
@@ -1337,20 +1331,6 @@ six = "*"
 [package.extras]
 develop = ["coverage (<5.0.0)", "mock", "pytest (>=3.0.0)", "pytest-cov", "pytest-mock (<3.0.0)", "pytz", "sphinx", "sphinx-rtd-theme"]
 
-[[package]]
-name = "exceptiongroup"
-version = "1.1.1"
-description = "Backport of PEP 654 (exception groups)"
-optional = false
-python-versions = ">=3.7"
-files = [
-    {file = "exceptiongroup-1.1.1-py3-none-any.whl", hash = "sha256:232c37c63e4f682982c8b6459f33a8981039e5fb8756b2074364e5055c498c9e"},
-    {file = "exceptiongroup-1.1.1.tar.gz", hash = "sha256:d484c3090ba2889ae2928419117447a14daf3c1231d5e30d0aae34f354f01785"},
-]
-
-[package.extras]
-test = ["pytest (>=6)"]
-
 [[package]]
 name = "executing"
 version = "1.1.0"
@@ -1560,7 +1540,6 @@ files = [
 
 [package.dependencies]
 astor = "*"
-tomli = {version = ">=1.1.0", markers = "python_version < \"3.11\""}
 
 [package.extras]
 dev = ["build", "pre-commit", "pytest", "pytest-cov", "twine"]
@@ -2375,7 +2354,6 @@ files = [
 
 [package.dependencies]
 mypy-extensions = ">=1.0.0"
-tomli = {version = ">=1.1.0", markers = "python_version < \"3.11\""}
 typing-extensions = ">=3.10"
 
 [package.extras]
@@ -2940,14 +2918,10 @@ files = [
 [package.dependencies]
 astroid = ">=2.15.4,<=2.17.0-dev0"
 colorama = {version = ">=0.4.5", markers = "sys_platform == \"win32\""}
-dill = [
-    {version = ">=0.2", markers = "python_version < \"3.11\""},
-    {version = ">=0.3.6", markers = "python_version >= \"3.11\""},
-]
+dill = {version = ">=0.3.6", markers = "python_version >= \"3.11\""}
 isort = ">=4.2.5,<6"
 mccabe = ">=0.6,<0.8"
 platformdirs = ">=2.2.0"
-tomli = {version = ">=1.1.0", markers = "python_version < \"3.11\""}
 tomlkit = ">=0.10.1"
 
 [package.extras]
@@ -3019,11 +2993,9 @@ files = [
 
 [package.dependencies]
 colorama = {version = "*", markers = "sys_platform == \"win32\""}
-exceptiongroup = {version = ">=1.0.0rc8", markers = "python_version < \"3.11\""}
 iniconfig = "*"
 packaging = "*"
 pluggy = ">=0.12,<2.0"
-tomli = {version = ">=1.0.0", markers = "python_version < \"3.11\""}
 
 [package.extras]
 testing = ["argcomplete", "attrs (>=19.2.0)", "hypothesis (>=3.56)", "mock", "nose", "pygments (>=2.7.2)", "requests", "xmlschema"]
@@ -3856,17 +3828,6 @@ idna = "*"
 requests = ">=2.1.0"
 requests-file = ">=1.4"
 
-[[package]]
-name = "tomli"
-version = "2.0.1"
-description = "A lil' TOML parser"
-optional = false
-python-versions = ">=3.7"
-files = [
-    {file = "tomli-2.0.1-py3-none-any.whl", hash = "sha256:939de3e7a6161af0c887ef91b7d41a53e7c5a1ca976325f429cb46ea9bc30ecc"},
-    {file = "tomli-2.0.1.tar.gz", hash = "sha256:de526c12914f0c550d15924c62d72abc48d6fe7364aa87328337a31007fe8a4f"},
-]
-
 [[package]]
 name = "tomlkit"
 version = "0.11.8"
@@ -4614,5 +4575,5 @@ testing = ["coverage (>=5.0.3)", "zope.event", "zope.testing"]
 
 [metadata]
 lock-version = "2.0"
-python-versions = ">=3.10, <3.12"
-content-hash = "d435d4c7dce4af1c659d4dbe2d712e2091a1514a80439b4e4009404f69bef595"
+python-versions = ">=3.11, <3.12"
+content-hash = "674af32861e1e5bf9c31401f02a3af0b698be8b60b9492cd89ab5464218efd3e"
diff --git a/pyproject.toml b/pyproject.toml
index 5ec87e6e65..91020cf1e0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -67,7 +67,7 @@ psycopg2 = "^2.9.5"
 pycparser = "^2.21"
 pyopenssl = "*"
 pyparsing = "^2.4.2"
-python = ">=3.10, <3.12"
+python = ">=3.11, <3.12"
 python-dateutil = "^2.8.1"
 python-magic = "^0.4.21"
 pytz = "*"