diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index e3bb669..5085447 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -20,15 +20,15 @@ jobs:
 
       - name: Install cibuildwheel
         run: |
-          python3 -m pip install cibuildwheel
+          python3.10 -m pip install cibuildwheel
 
       - name: Build wheels
         run: |
-          python3 -m cibuildwheel --output-dir wheelhouse
+          python3.10 -m cibuildwheel --output-dir wheelhouse
         env:
           CIBW_BUILD: cp39-manylinux_x86-64 cp310-manylinux_x86_64 cp311-manylinux_x86-64 cp312-manylinux_x86_64
           CIBW_BEFORE_BUILD: |            
-            pip3 install cython>=3.0.0
+            python -m pip install Cython>=3.0.0
           CIBW_REPAIR_WHEEL_COMMAND_LINUX: auditwheel repair --strip -w {dest_dir} {wheel}
           CIBW_TEST_COMMAND: python -m cypari.test
 
diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index 504a99a..62397ff 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -19,7 +19,7 @@ jobs:
           python-version: 3.12
       - name: Install cibuildwheel
         run: |
-          python -m pip install cibuildwheel
+          python3.12 -m pip install cibuildwheel
 
       - name: Build wheels
         run: |
@@ -28,7 +28,7 @@ jobs:
           CIBW_BUILD: cp312-* cp311-* cp310-* cp39-* 
           CIBW_ARCHS_MACOS: "x86_64 arm64 universal2"
           CIBW_BEFORE_BUILD: |        
-            pip install cython>=3.0.0
+            python -m pip install Cython>=3.0.0
           CIBW_TEST_COMMAND: python -m cypari.test
 
       - uses: actions/upload-artifact@v2
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index 37cc822..f160bab 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -39,7 +39,7 @@ jobs:
 
       - name: Install cibuildwheel
         run: |
-          python -m pip install cibuildwheel
+          python3.12 -m pip install cibuildwheel
           
       - name: Build gmp and pari
         run: |
@@ -47,12 +47,12 @@ jobs:
 
       - name: Build many wheels
         run: |
-          python -m cibuildwheel --output-dir wheelhouse
+          python3.12 -m cibuildwheel --output-dir wheelhouse
         env:
           CIBW_ARCHS: AMD64
           CIBW_BUILD: cp312-* cp311-* cp310-* cp39-* 
           CIBW_BEFORE_BUILD: |
-            pip install cython
+            python -m pip install Cython>=3.0.0
           CIBW_TEST_COMMAND: python -m cypari.test
 
       - uses: actions/upload-artifact@v3