diff --git a/.github/workflows/publish-pypi.yml b/.github/workflows/publish-pypi.yml
index 5b5f536ad..d723f0123 100644
--- a/.github/workflows/publish-pypi.yml
+++ b/.github/workflows/publish-pypi.yml
@@ -20,10 +20,10 @@ jobs:
         with:  # fetch tag for versioneer
           fetch-depth: 0
 
-      - name: Set up Python 3.7
+      - name: Set up Python 3.9
         uses: actions/setup-python@v5
         with:
-          python-version: '3.7'
+          python-version: '3.9'
 
       - name: Install pypa/build
         run: >-
diff --git a/setup.py b/setup.py
index a650f9142..3314eefd6 100644
--- a/setup.py
+++ b/setup.py
@@ -13,7 +13,7 @@ def unique_flatten_dict(d):
   'setuptools',
   'typing-extensions',
   'pyarrow>=0.15.0',
-  'scikit-learn==1.3.2',
+  'scikit-learn<=1.3.2',
   'flake8>=5.0',
   'psutil',
   'build',
@@ -55,7 +55,7 @@ def unique_flatten_dict(d):
     long_description_content_type='text/markdown',
     url='https://github.com/graphistry/cu-cat',
     download_url= 'https://github.com/graphistry/cu-cat',
-    python_requires='>3.7',
+    python_requires='>=3.9',
     author='The Graphistry Team',
     author_email='pygraphistry@graphistry.com',
     install_requires=core_requires,