diff --git a/pyproject.toml b/pyproject.toml
index b271e52b..9162e7d4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -107,11 +107,12 @@ tests = [
     "pytest-cov",
     "requests-mock",
     # mechanicalsoup hard-depends on lxml (see below)
-    'mechanicalsoup; (implementation_name != "pypy" or python_version <= "3.9")',
+    'mechanicalsoup; (implementation_name != "pypy" and python_version <= "3.12")',
     "requests-wsgi-adapter",
     # we want to test search with all known bs4 parsers.
-    # lxml does not have a PyPy 3.10+ wheel.
-    'lxml; (implementation_name != "pypy" or python_version <= "3.9")',
+    # lxml usually does not have recent PyPy wheels.
+    # lxml usually does not have pre-relase CPython wheels.
+    'lxml; (implementation_name != "pypy" and python_version <= "3.12")',
     "html5lib",
     # for bench.py
     'numpy; (implementation_name != "pypy" and os_name == "posix")',