diff --git a/CHANGES.rst b/CHANGES.rst
index 78a9fa0..76c66cb 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -9,6 +9,7 @@ Change log
 - Allow specifying a minimum supported Python version other than the previously
   hardcoded default of Python 3.8.
 
+- Allow ``setuptools <= 75.6.0``.
 
 1.0 (2024-10-02)
 ----------------
diff --git a/src/zope/meta/shared/packages.py b/src/zope/meta/shared/packages.py
index dd880a3..5fa892e 100644
--- a/src/zope/meta/shared/packages.py
+++ b/src/zope/meta/shared/packages.py
@@ -24,7 +24,7 @@
 NEWEST_PYTHON_VERSION = '3.13'
 FUTURE_PYTHON_VERSION = '3.14'
 PYPY_VERSION = '3.10'
-SETUPTOOLS_VERSION_SPEC = '< 74'
+SETUPTOOLS_VERSION_SPEC = '<= 75.6.0'
 MANYLINUX_PYTHON_VERSION = '3.11'
 MANYLINUX_AARCH64 = 'manylinux2014_aarch64'
 MANYLINUX_I686 = 'manylinux2014_i686'