diff --git a/pyproject.toml b/pyproject.toml
index 1aa0771..d0c0c78 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,5 +1,5 @@
 [build-system]
-requires = ["cffi", "setuptools", "urllib3", "wheel"]
+requires = ["cffi", "setuptools < 74", "urllib3", "wheel"]
 build-backend = "setuptools.build_meta"
 
 [project]
diff --git a/requirements/base.txt b/requirements/base.txt
index c6fb97d..2369f27 100644
--- a/requirements/base.txt
+++ b/requirements/base.txt
@@ -1,5 +1,5 @@
 # What we want
-cffi==1.16.0
+cffi==1.17.0
 
 # What we need
 pycparser==2.22
diff --git a/requirements/development.txt b/requirements/development.txt
index 662427b..4aefedb 100644
--- a/requirements/development.txt
+++ b/requirements/development.txt
@@ -1,7 +1,7 @@
 build
 coverage
 ruff
-setuptools
+setuptools<74
 Sphinx
 twine
 urllib3