diff --git a/.github/workflows/build_python.yml b/.github/workflows/build_python.yml
index a0ecce12f9..241548dae3 100644
--- a/.github/workflows/build_python.yml
+++ b/.github/workflows/build_python.yml
@@ -51,6 +51,7 @@ jobs:
         if: ${{ runner.os == 'macOS' }}
         with:
           compiler: gcc
+          version: 12
 
       # Copied from https://github.com/scipy/scipy/blob/main/.github/workflows/wheels.yml
       # For rtools, see https://github.com/r-windows/rtools-installer/releases, which has been
diff --git a/pyproject.toml b/pyproject.toml
index a8fdeea31b..ddb4c6378b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -52,3 +52,6 @@ skip = [
   # As such we can compile but we cannot test, so we skip those.
   "cp31*-manylinux_i686",
 ]
+
+[tool.cibuildwheel.macos.environment]
+MACOSX_DEPLOYMENT_TARGET = "11"
\ No newline at end of file
diff --git a/python/pybind11 b/python/pybind11
index 8a099e44b3..3e9dfa2866 160000
--- a/python/pybind11
+++ b/python/pybind11
@@ -1 +1 @@
-Subproject commit 8a099e44b3d5f85b20f05828d919d2332a8de841
+Subproject commit 3e9dfa2866941655c56877882565e7577de6fc7b
diff --git a/python/tests/test_compatibility_pdfo.py b/python/tests/test_compatibility_pdfo.py
index 6eaaaf6cd5..9ecfc90c06 100644
--- a/python/tests/test_compatibility_pdfo.py
+++ b/python/tests/test_compatibility_pdfo.py
@@ -20,6 +20,9 @@ def test_pdfo():
     scipy = pytest.importorskip("scipy")
     if version.parse(scipy.__version__) < version.parse("1.11.0"):
         pytest.skip("scipy version too old for this test (its version of COBYLA does not accept bounds)")
+    numpy = pytest.importorskip("numpy")
+    if version.parse(numpy.__version__) >= version.parse("2.0.0"):
+        pytest.skip("numpy version too new for this test (pdfo does not yet support numpy v2)")
 
     from pdfo import pdfo
     from scipy.optimize import NonlinearConstraint as NLC, LinearConstraint as LC, Bounds