diff --git a/.github/workflows/buildwheels.yml b/.github/workflows/buildwheels.yml
index 0150d38e..1905c60e 100644
--- a/.github/workflows/buildwheels.yml
+++ b/.github/workflows/buildwheels.yml
@@ -4,6 +4,9 @@ defaults:
   run:
     shell: bash
 
+env:
+  PIP_INSTALL_OPTS: "--only-binary=:all: --verbose"
+
 on:
   push:
     branches: [ main ]
@@ -22,7 +25,7 @@ jobs:
         with:
           submodules: recursive
           fetch-depth: 0  # https://github.com/pypa/setuptools_scm/issues/480
-      - run: DEBUG=1 VERBOSE=1 pip install --verbose -e .[tests]
+      - run: DEBUG=1 VERBOSE=1 pip install $PIP_INSTALL_OPTS -e .[tests]
       - run: pytest -v -s -We -p no:unraisableexception tests
 
   zenodo_json:
@@ -41,7 +44,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, ubuntu-24.04-arm, macos-13, macos-latest, windows-latest]
+        os: [ubuntu-latest, ubuntu-24.04-arm, macos-15-intel, macos-15, windows-latest]
 
     steps:
       - uses: actions/checkout@v4
@@ -65,7 +68,7 @@ jobs:
           python-version: "3.11"
 
       - name: Install cibuildwheel
-        run: python -m pip install cibuildwheel
+        run: python -m pip install $PIP_INSTALL_OPTS cibuildwheel
 
       - name: Build and test wheels
         env:
@@ -74,7 +77,7 @@ jobs:
           CIBW_BEFORE_BUILD_WINDOWS: pip install delvewheel
           CIBW_ENVIRONMENT_WINDOWS: CMAKE_ARGS="-DCMAKE_MAKE_PROGRAM=D:/a/_temp/msys64/mingw64/bin/ninja.exe" CMAKE_PROGRAM_PATH="D:/a/_temp/msys64/usr/bin" CMAKE_GENERATOR="Ninja" TEMP="D:/a/_temp/"
           CIBW_REPAIR_WHEEL_COMMAND_WINDOWS: delvewheel repair -w {dest_dir} {wheel}
-          CIBW_BEFORE_BUILD_MACOS: brew reinstall gcc
+          CIBW_BEFORE_BUILD_MACOS: brew reinstall gcc; pip install --only-binary=llvmlite llvmlite
           CIBW_ENVIRONMENT_MACOS: MACOSX_DEPLOYMENT_TARGET=`sw_vers -productVersion` SYSTEM_VERSION_COMPAT=0
           CIBW_TEST_REQUIRES: pytest pytest-order
           CIBW_TEST_COMMAND: pytest -v -s -We -p no:unraisableexception {package}/tests
@@ -92,7 +95,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, ubuntu-24.04-arm, macos-13, macos-latest, windows-latest]
+        os: [ubuntu-latest, ubuntu-24.04-arm, macos-15-intel, macos-15, windows-latest]
 
     steps:
       - uses: actions/checkout@v4
@@ -102,7 +105,7 @@ jobs:
 
       - uses: actions/setup-python@v5.0.0
         with:
-          python-version: "3.13"
+          python-version: "3.12"
       
       - uses: actions/download-artifact@v4
         with:
@@ -119,11 +122,11 @@ jobs:
         run: echo 'PYTEST_SKIP_ARGS=-k "not camp"' >> $GITHUB_ENV
 
       - run: | 
-          temp=`find dist/ -name "*cp313*.whl"`
-          python -m pip install $temp[examples]
+          temp=`find dist/ -name "*cp312*.whl"`
           ex -sc 'g/^PyPartMC/d' -cx .binder/requirements.txt
           python -m pip install --force-reinstall --no-deps $PIP_INSTALL_OPTS -r .binder/requirements.txt
           python -m pip install $PIP_INSTALL_OPTS -r gitmodules/devops_tests/requirements.txt
+          python -m pip install $PIP_INSTALL_OPTS $temp[examples] PySDM==3.0.0rc19 chempy==0.10.1 pyneqsys==0.5.7
           GITHUB_TOKEN=${{ secrets.GITHUB_TOKEN }} python -m pytest --durations=10 ${{ env.PYTEST_SKIP_ARGS }} -v -s -We -p no:unraisableexception gitmodules/devops_tests/test_run_notebooks.py
 
   check_annotated_todos:
@@ -137,7 +140,7 @@ jobs:
             fetch-depth: 0
 
         - run: |
-            python -m pip install pytest
+            python -m pip install $PIP_INSTALL_OPTS pytest
             python -m pip install $PIP_INSTALL_OPTS -r gitmodules/devops_tests/requirements.txt
             GITHUB_TOKEN=${{ secrets.GITHUB_TOKEN }} python -m pytest --durations=10 -v -s -We -p no:unraisableexception gitmodules/devops_tests/test_todos_annotated.py
 
@@ -151,7 +154,7 @@ jobs:
     - uses: actions/setup-python@v5.0.0
       with:
         python-version: "3.11"
-    - run: pip install twine auditwheel
+    - run: pip install $PIP_INSTALL_OPTS twine auditwheel
     - uses: actions/download-artifact@v4
       with:
         name: dist-${{matrix.os}}-${{matrix.manylinux}}
@@ -217,4 +220,4 @@ jobs:
         path: dist
         merge-multiple: true
 
-    - uses: pypa/gh-action-pypi-publish@release/v1
\ No newline at end of file
+    - uses: pypa/gh-action-pypi-publish@release/v1
diff --git a/pyproject.toml b/pyproject.toml
index 59c1c20b..63ea73cf 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -14,7 +14,7 @@ name = "PyPartMC"
 dynamic = ["version"]
 description = "Python interface to PartMC"
 readme = "README.md"
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 authors = [
     {name = "https://github.com/open-atmos/PyPartMC/graphs/contributors", email = "nriemer@illinois.edu"}
 ]