diff --git a/.github/workflows/python-publish.yml b/.github/workflows/python-publish.yml
index 3b87c86..9d1ed9b 100644
--- a/.github/workflows/python-publish.yml
+++ b/.github/workflows/python-publish.yml
@@ -10,7 +10,7 @@ env:
   CIBW_BUILD_VERBOSITY: 2
   # Only build on Python 3.x
   CIBW_BUILD: 'cp3?-*'
-  CIBW_SKIP: 'cp35-* cp39-* *-manylinux_i686'
+  CIBW_SKIP: 'cp35-* cp310-* *-manylinux_i686'
   CIBW_BEFORE_TEST: pip install pybind11 pytest
   CIBW_TEST_EXTRAS: "all"
   CIBW_TEST_COMMAND: pytest {package}/tests
@@ -31,7 +31,7 @@ jobs:
       - uses: actions/setup-python@v2
         name: Install Python
         with:
-          python-version: '3.7'
+          python-version: '3.9'
 
       - name: Install cibuildwheel
         run: |
@@ -65,10 +65,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@master
-      - name: Set up Python 3.6
+      - name: Set up Python 3.9
         uses: actions/setup-python@v2
         with:
-          python-version: 3.6
+          python-version: 3.9
       - name: Build a source tarball
         run: |
           python -m pip install pybind11
diff --git a/setup.py b/setup.py
index 967218d..e206cd3 100755
--- a/setup.py
+++ b/setup.py
@@ -14,7 +14,6 @@
     ),
 ]
 plotly_require = ["plotly>=3.6.0"]
-contrib_require = ["scikit-image>=0.18.1"]
 test_require = [
     "pyyaml",
     "dictdiffer",
@@ -48,8 +47,7 @@
     zip_safe=False,
     extras_require={
         "plotly": plotly_require,
-        "contrib": contrib_require,
-        "all": plotly_require + contrib_require + test_require,
+        "all": plotly_require + test_require,
     },
     entry_points={"console_scripts": ["pygenstability=pygenstability.app:cli"]},
     packages=find_packages("src", exclude=["tests"]),