diff --git a/pyproject.toml b/pyproject.toml
index 3d8540f7b..177784094 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,5 +1,5 @@
 [build-system]
-requires = ["setuptools>=40.8.0", "ninja", "wheel", "pybind11>=2.10.1"]
+requires = ["setuptools>=40.8.0", "ninja>=1.10.0.post2", "wheel", "pybind11>=2.10.1", "cmake>=3.16"]
 build-backend = "setuptools.build_meta"
 
 [tool.pytype]
diff --git a/requirements.txt b/requirements.txt
index 458e3aec7..84fe7de2f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,14 +2,12 @@
 # Make sure you also install the non-Python dependencies described in
 # https://github.com/google/pytype/blob/master/CONTRIBUTING.md#pytype-dependencies.
 attrs>=21.4.0
-cmake>=3.16
 importlab>=0.8
 immutabledict>=4.1.0
 jinja2>=3.1.2
 libcst>=1.0.1
 msgspec>=0.18.6
 networkx<3.2
-ninja>=1.10.0.post2
 pybind11>=2.10.1
 pycnite>=2024.07.31
 pydot>=1.4.2