diff --git a/.github/workflows/run-tox.yml b/.github/workflows/run-tox.yml
index 9e83924e..57fe4547 100644
--- a/.github/workflows/run-tox.yml
+++ b/.github/workflows/run-tox.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.8, 3.9]
+        python-version: ["3.8", "3.9", "3.10", "3.11"]
 
     steps:
     - uses: actions/checkout@v2
diff --git a/setup.py b/setup.py
index e17aa64a..e817824f 100644
--- a/setup.py
+++ b/setup.py
@@ -22,10 +22,10 @@
 
 reqs = [
     "jsonschema>=3.0.1",
-    "matplotlib>=1.3.1",
-    "morphio>=3.0,<4.0",
+    "matplotlib>=3.2.1",
+    "morphio>=3.3.3,<4.0",
     "neurom>=3.0,<4.0",
-    "numpy>=1.15.0",
+    "numpy>=1.20.0",
     "scipy>=1.6",
     "tmd>=2.2.0",
 ]
@@ -40,15 +40,14 @@
 
 test_reqs = [
     "diameter-synthesis>=0.5.0",
-    "dictdiffer",
-    "mock",
-    "morph-tool>=0.1.12",
-    "numpy>=1.22",
-    "pytest",
-    "pytest-cov",
-    "pytest-html",
-    "pytest-xdist",
-    "tqdm",
+    "dictdiffer>=0.5",
+    "mock>=3",
+    "morph-tool>=2.9",
+    "pytest>=6",
+    "pytest-cov>=3",
+    "pytest-html>=2",
+    "pytest-xdist>=2",
+    "tqdm>=4.8.4",
 ]
 
 setup(
@@ -82,6 +81,8 @@
         "Programming Language :: Python :: 3",
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
+        "Programming Language :: Python :: 3.10",
+        "Programming Language :: Python :: 3.11",
         "Topic :: Scientific/Engineering :: Bio-Informatics",
     ],
     include_package_data=True,
diff --git a/tox.ini b/tox.ini
index 3c011f97..f57d9749 100644
--- a/tox.ini
+++ b/tox.ini
@@ -7,31 +7,39 @@ envlist =
     check-packaging
     lint
     docs
-    py{38,39}
+    py38-min_versions
+    py{38,39,310,311}
     coverage
 
 minversion = 3.18
 
 [testenv]
-extras = test
+extras =
+    test
 setenv =
     COVERAGE_FILE = {env:COVERAGE_FILE:.coverage-{envname}}
 passenv =
     PIP_EXTRA_INDEX_URL
-commands = pytest \
-    -n {env:PYTEST_NPROCS:'auto'} \
-    --basetemp={envtmpdir} \
-    --cov={[base]name} \
-    --cov-branch \
-    --cov-fail-under=97 \
-    --no-cov-on-fail \
-    --cov-report term-missing \
-    --cov-report html:reports/coverage-{envname} \
-    --cov-report xml:reports/coverage-{envname}.xml \
-    --html reports/pytest-{envname}.html \
-    --junit-xml=reports/pytest-{envname}.xml \
-    --self-contained-html \
-    {posargs}
+deps =
+    min_versions: Requirements-Builder
+commands =
+    min_versions: requirements-builder --level=min --extras=test -o {envtmpdir}/requirements_min.txt setup.py
+    min_versions: pip install -r {envtmpdir}/requirements_min.txt
+    min_versions: pip freeze
+    pytest \
+        -n {env:PYTEST_NPROCS:4} \
+        --basetemp={envtmpdir} \
+        --cov={[base]name} \
+        --cov-branch \
+        --cov-fail-under=97 \
+        --no-cov-on-fail \
+        --cov-report term-missing \
+        --cov-report html:reports/coverage-{envname} \
+        --cov-report xml:reports/coverage-{envname}.xml \
+        --html reports/pytest-{envname}.html \
+        --junit-xml=reports/pytest-{envname}.xml \
+        --self-contained-html \
+        {posargs}
 
 [testenv:coverage]
 skip_install = true
@@ -81,5 +89,7 @@ commands =
 
 [gh-actions]
 python =
-  3.8: py38, check-packaging, lint
+  3.8: py38, py38-min_versions, lint
   3.9: py39, docs, coverage
+  3.10: py310, check-packaging
+  3.11: py311