diff --git a/.github/workflows/build-and-deploy-on-pypi.yml b/.github/workflows/build-and-deploy-on-pypi.yml
index 5fd0344d..3de305ab 100644
--- a/.github/workflows/build-and-deploy-on-pypi.yml
+++ b/.github/workflows/build-and-deploy-on-pypi.yml
@@ -17,7 +17,7 @@ jobs:
       - name: Set up Python 3.10
         uses: actions/setup-python@v1
         with:
-          python-version: "3.10"
+          python-version: "3.11"
       - name: Install pep517
         run: >-
           python -m
diff --git a/.github/workflows/run-tests-push.yml b/.github/workflows/run-tests-push.yml
index 5beaa34d..77495f27 100644
--- a/.github/workflows/run-tests-push.yml
+++ b/.github/workflows/run-tests-push.yml
@@ -8,7 +8,7 @@ jobs:
     runs-on: "ubuntu-latest"
     strategy:
       matrix:
-        python-version: ["3.10"]
+        python-version: ["3.11"]
       fail-fast: false
     name: Linux Python ${{ matrix.python-version }}
     steps:
@@ -42,4 +42,3 @@ jobs:
         run: pytest
       - shell: bash -l {0}
         run: sphinx-build -Ea doc doc/build
-
diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index 45a4ef3f..465822fd 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: "ubuntu-latest"
     strategy:
       matrix:
-        python-version: ["3.8", "3.9", "3.10"]
+        python-version: ["3.8", "3.9", "3.10", "3.11"]
       fail-fast: false
     name: Linux Python ${{ matrix.python-version }}
     steps:
@@ -47,4 +47,3 @@ jobs:
         run: pytest
       - shell: bash -l {0}
         run: sphinx-build -Ea doc doc/build
-
diff --git a/environment.yml b/environment.yml
index cb2a1a41..98058560 100644
--- a/environment.yml
+++ b/environment.yml
@@ -36,6 +36,7 @@ dependencies:
   - docformatter
   - isort
   - pre-commit
-  - prospector!=1.1.6.3,!=1.1.6.4
+  # prospector still doesn't support Python=3.11 (24/02/2023)
+  # - prospector!=1.1.6.3,!=1.1.6.4
   - yamllint
   - yapf
diff --git a/setup.py b/setup.py
index cf615db1..79d5f61f 100755
--- a/setup.py
+++ b/setup.py
@@ -57,7 +57,8 @@
         'docformatter',
         'isort',
         'pre-commit',
-        'prospector[with_pyroma,with_mypy]!=1.1.6.3,!=1.1.6.4',
+        # prospector still doesn't support Python=3.11 (24/02/2023)
+        # 'prospector[with_pyroma,with_mypy]!=1.1.6.3,!=1.1.6.4',
         'sphinx>2',
         'sphinx_rtd_theme',
         'vprof',