diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 4de9397..9a1a7ac 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -24,11 +24,17 @@ jobs:
             os: "ubuntu-20.04"
           - python-version: "3.10.0"
             os: "ubuntu-20.04"
+          - python-version: "3.11.0"
+            os: "ubuntu-20.04"
+          - python-version: "3.12.0"
+            os: "ubuntu-20.04"
+          - python-version: "3.13.0-rc.2"
+            os: "ubuntu-20.04"
     runs-on: ${{ matrix.os }}
     steps:
       - name: "Checkout"
         uses: "actions/checkout@v3"
-      - uses: "actions/setup-python@v4"
+      - uses: "actions/setup-python@v5"
         with:
           python-version: '${{ matrix.python-version }}'
       - name: "Install bsdcpio"
@@ -47,7 +53,7 @@ jobs:
           )
       - name: "Install python dependencies"
         run: |
-          pip install ".[ci]"
+          pip install ".[dev,ci]"
       - name: "Run type checking"
         run: |
           mypy stream_zip --strict
diff --git a/pyproject.toml b/pyproject.toml
index 9769676..ec0a7a6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -33,9 +33,6 @@ dev = [
 ]
 ci = [
     "pycryptodome==3.10.1",
-    "coverage==6.2",
-    "pytest==7.0.1",
-    "pytest-cov==3.0.0",
     "stream-unzip==0.0.86",
     "pyzipper==0.3.6",
     # Type checking
diff --git a/test_stream_zip.py b/test_stream_zip.py
index 8c06617..5c5791f 100644
--- a/test_stream_zip.py
+++ b/test_stream_zip.py
@@ -3,8 +3,8 @@
 import asyncio
 import contextlib
 import os
-import platform
 import secrets
+import sys
 import stat
 import subprocess
 import zlib
@@ -1388,7 +1388,7 @@ async def test():
 
 
 @pytest.mark.skipif(
-    tuple(int(v) for v in platform.python_version().split('.')) < (3,7,0),
+    sys.version_info[:2] < (3,7,0),
     reason="contextvars are not supported before Python 3.7.0",
 )
 def test_copy_of_context_variable_available_in_iterable():