diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index b40483f..158a621 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -1,14 +1,14 @@
 name: Lint
 
-on: [push, pull_request]
+on: [pull_request]
 
 jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
     - name: Check out repository
-      uses: actions/checkout@v3
-    - uses: actions/cache@v3
+      uses: actions/checkout@v4
+    - uses: actions/cache@v4
       name: Configure npm caching
       with:
         path: ~/.npm
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 831fcf4..e8f1928 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -1,18 +1,20 @@
 name: Test
 
-on: [push, pull_request]
+on: [pull_request]
 
 jobs:
   test:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
     - name: Check out repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
     - name: Set up Python
-      uses: actions/setup-python@v3
+      uses: actions/setup-python@v5
       with:
-        python-version: "3.10"
-    - uses: actions/cache@v2
+        python-version: "3.12"
+    - name: Install packages to support building lxml from source
+      run: sudo apt-get install python3.12-dev libxml2-dev libxslt-dev
+    - uses: actions/cache@v4
       name: Configure pip caching
       with:
         path: ~/.cache/pip
diff --git a/README.md b/README.md
index 606b126..ccd924b 100644
--- a/README.md
+++ b/README.md
@@ -26,7 +26,7 @@ and export results as CSV or JSON reports.
 Create a Python virtual environment and install required packages:
 
 ```
-python3.6 -m venv venv
+python3.12 -m venv venv
 source venv/bin/activate
 pip install -r requirements/base.txt
 ```
@@ -139,7 +139,7 @@ yarn build
 Create a Python virtual environment and install required packages:
 
 ```
-python3.6 -m venv venv
+python3.12 -m venv venv
 source venv/bin/activate
 pip install -r requirements/base.txt
 ```
@@ -269,9 +269,8 @@ fab configure -H crawler
 
 The `configure` command:
 
-- Installs Node, Yarn, and Git
-- Installs a modern version of SQLite
-- Installs Python 3
+- Installs Node and Git
+- Installs Python 3.12
 
 ### Deploying the application
 
diff --git a/crawler/wpull_plugin.py b/crawler/wpull_plugin.py
index 26d194c..171bc61 100644
--- a/crawler/wpull_plugin.py
+++ b/crawler/wpull_plugin.py
@@ -1,4 +1,3 @@
-import asyncio
 import logging
 import re
 from urllib import parse
@@ -39,9 +38,8 @@
 def patch_wpull_connection():
     """Use wait_timeout instead of close_timeout for readline."""
 
-    @asyncio.coroutine
-    def readline(self):
-        data = yield from self.run_network_operation(
+    async def readline(self):
+        data = await self.run_network_operation(
             self.reader.readline(), wait_timeout=self._timeout, name="Readline"
         )
         return data
diff --git a/fabfile.py b/fabfile.py
index 60927f2..0c3da95 100644
--- a/fabfile.py
+++ b/fabfile.py
@@ -16,10 +16,6 @@
 
 NODE_VERSION = "20"
 
-SQLITE_VERSION = "3390200"
-SQLITE_BASENAME = f"sqlite-autoconf-{SQLITE_VERSION}"
-SQLITE_INSTALL_ROOT = f"{DEPLOY_ROOT}/{SQLITE_BASENAME}"
-
 SOURCE_PARENT = f"{DEPLOY_ROOT}/cfpb"
 SOURCE_REPO = "https://github.com/cfpb/website-indexer.git"
 SOURCE_DIRNAME = "website-indexer"
@@ -62,6 +58,12 @@ def configure(conn):
     # Install git to be able to clone source code repository.
     conn.sudo("yum install -y git")
 
+    # Install Python 3.12.
+    conn.sudo("yum install -y python3.12")
+
+    # Install libraries needed to build lxml from source.
+    conn.sudo("yum install -y python3.12-devel libxml2-devel libxslt-devel")
+
     # Set up deploy root and grant permissions to deploy user.
     conn.sudo(f"mkdir -p {DEPLOY_ROOT}")
     conn.sudo(f"chown -R {conn.user}:{conn.user} {DEPLOY_ROOT}")
@@ -85,7 +87,7 @@ def deploy(conn):
     with conn.cd(SOURCE_ROOT):
         conn.sudo("corepack enable")
         conn.run("yarn && yarn build")
-        conn.run("python3 -m venv venv")
+        conn.run(f"python3.12 -m venv venv")
 
         with conn.prefix("source venv/bin/activate"):
             conn.run("pip install -r requirements/base.txt")
diff --git a/requirements/base.txt b/requirements/base.txt
index cc5e6c2..74a17da 100644
--- a/requirements/base.txt
+++ b/requirements/base.txt
@@ -8,13 +8,8 @@ django-filter==21.1
 django-modelcluster==5.3
 djangorestframework==3.13.1
 djangorestframework-csv==2.1.1
-lxml==4.9.1
 whitenoise==5.3.0
-wpull==2.0.1
 
-# wpull doesn't set upper bounds for some of its requirements,
-# so we need to specify these manually:
-# See https://github.com/ArchiveTeam/wpull/blob/v2.0.1/requirements.txt
-html5lib==0.9999999
-sqlalchemy==1.0.12
-tornado==4.5.3
+# Ensure libxml2 is loaded dynamically; see
+# https://html5-parser.readthedocs.io/en/latest/#unix
+wpull@https://github.com/ArchiveTeam/ludios_wpull/archive/refs/tags/5.0.3.tar.gz --no-binary=lxml