diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml
index 85f63940f..2202659c5 100644
--- a/.github/workflows/checks.yml
+++ b/.github/workflows/checks.yml
@@ -35,7 +35,7 @@ jobs:
     
     strategy:
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10']
+        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11']
         
     steps:
     - name: Checkout repository
@@ -86,7 +86,7 @@ jobs:
     - name: Install dependencies
       run: |
         sudo apt-get update
-        sudo apt-get install -qy groff html2text python3-cffi python3-brotli libpango-1.0-0 libharfbuzz0b libpangoft2-1.0-0 libxml2-dev libxml2-utils
+        sudo apt-get install -qy groff html2text python3-cffi python3-brotli libpango-1.0-0 libharfbuzz0b libpangoft2-1.0-0 libxml2-dev libxml2-utils libxslt-dev
         echo "Installing pip + wheel..."
         python -m pip install --upgrade pip wheel
         echo "Installing requirements.txt + test dependencies..."
@@ -109,7 +109,7 @@ jobs:
     
     strategy:
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10']
+        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11']
         
     steps:
     - name: Checkout repository
diff --git a/docker/dev.Dockerfile b/docker/dev.Dockerfile
index da6a16009..c664994b9 100644
--- a/docker/dev.Dockerfile
+++ b/docker/dev.Dockerfile
@@ -6,6 +6,7 @@ ENV DEBIAN_FRONTEND noninteractive
 WORKDIR /root
 
 # Install dependencies
+# libxml2-dev and libxslt-dev are requirements for lxml under Python 3.11
 RUN apt-get update --fix-missing && \
     apt-get install -y software-properties-common && \
     add-apt-repository ppa:deadsnakes/ppa && \
@@ -21,7 +22,12 @@ RUN apt-get update --fix-missing && \
         python3.8-distutils \
         python3.9 \
         python3.9-dev \
-        python3.9-distutils && \
+        python3.9-distutils \
+        libxml2-dev \
+        libxslt-dev \
+        python3.11 \
+        python3.11-dev \
+        python3.11-distutils && \
     rm -rf /var/lib/apt/lists/* /var/log/dpkg.log && \
     apt-get autoremove -y && \
     apt-get clean -y
diff --git a/setup.py b/setup.py
index 2c8986d4f..205048ad5 100644
--- a/setup.py
+++ b/setup.py
@@ -58,6 +58,7 @@
         'Programming Language :: Python :: 3.8',
         'Programming Language :: Python :: 3.9',
         'Programming Language :: Python :: 3.10',
+        'Programming Language :: Python :: 3.11',
     ],
     license="BSD-3-Clause",
 
diff --git a/tox.ini b/tox.ini
index 09032ad2a..7193b2b69 100644
--- a/tox.ini
+++ b/tox.ini
@@ -4,7 +4,7 @@
 # and then run "tox" from this directory.
 
 [tox]
-envlist = py{37,38,39,310}-{linux,macos,windows}
+envlist = py{37,38,39,310,311}-{linux,macos,windows}
 
 [gh-actions]
 python =
@@ -12,6 +12,7 @@ python =
     3.8: py38
     3.9: py39
     3.10: py310
+    3.11: py311
 
 [gh-actions:env]
 PLATFORM =