diff --git a/.github/workflows/wheel-upload.yml b/.github/workflows/wheel-upload.yml
index ed7ec57c..9cff1170 100644
--- a/.github/workflows/wheel-upload.yml
+++ b/.github/workflows/wheel-upload.yml
@@ -130,7 +130,7 @@ jobs:
           restore-keys: ${{ runner.os }}-${{ matrix.pypy }}${{ matrix.python-version }}-${{ matrix.host }}-ccache
       # Pip install dependencies
       - name: Install Python dependencies
-        run: python${{ matrix.python-version }} -m pip install -U pip build pybind11-stubgen~=2.5.1 py-build-cmake~=0.2.0a14 'numpy>=1.19,<3' 'scipy>=1.6,<2'
+        run: python${{ matrix.python-version }} -m pip install -U pip build
       # Download stubs
       - name: Download stubs
         uses: actions/download-artifact@v4
diff --git a/QPALM/interfaces/python/qpalm-debug/pyproject.toml b/QPALM/interfaces/python/qpalm-debug/pyproject.toml
index c49b75bb..36fc8a21 100644
--- a/QPALM/interfaces/python/qpalm-debug/pyproject.toml
+++ b/QPALM/interfaces/python/qpalm-debug/pyproject.toml
@@ -20,8 +20,8 @@ requires = [
     "py-build-cmake~=0.2.0a14",
     "pybind11==2.13.6",
     "pybind11-stubgen==2.5.1",
-    "numpy>=1.19,<3",
-    "scipy>=1.6,<2",
+    "numpy>=1.19,<3; implementation_name=='cpython'",
+    "scipy>=1.6,<2; implementation_name=='cpython'",
 ]
 build-backend = "py_build_cmake.build_component"
 
diff --git a/pyproject.toml b/pyproject.toml
index 1881232a..40d0a258 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -3,8 +3,8 @@ requires = [
     "py-build-cmake~=0.2.0a14",
     "pybind11==2.13.6",
     "pybind11-stubgen==2.5.1",
-    "numpy>=1.19,<3",
-    "scipy>=1.6,<2",
+    "numpy>=1.19,<3; implementation_name=='cpython'",
+    "scipy>=1.6,<2; implementation_name=='cpython'",
 ]
 build-backend = "py_build_cmake.build"