diff --git a/pyproject.toml b/pyproject.toml
index 4c23004..3d6b76d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,7 +15,7 @@
 [build-system]
 requires = [
   "setuptools",
-  "pybind11~=2.11.1",
+  "pybind11~=3.1.0",
   "cmake>=3.13",
 ]
 build-backend = "setuptools.build_meta"
diff --git a/setup.py b/setup.py
index d37500e..7c69eb3 100644
--- a/setup.py
+++ b/setup.py
@@ -114,7 +114,7 @@ def build_extension(self, ext):
     ext_modules=[CMakeExtension("chromobius", sourcedir=".", sources=RELEVANT_SOURCE_FILES)],
     cmdclass={"build_ext": CMakeBuild},
     python_requires=">=3.10",
-    setup_requires=['ninja', 'pybind11~=2.11.1', 'cmake>=3.13'],
+    setup_requires=['ninja', 'pybind11~=3.1.0', 'cmake>=3.13'],
     install_requires=['numpy', 'stim'],
 
     # Needed on Windows to avoid the default `build` colliding with Bazel's `BUILD`.