diff --git a/pyproject.toml b/pyproject.toml
index cbcea00b93f4..1b2a17dfc50e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -110,6 +110,16 @@ markers = [
 filterwarnings = [
     'ignore::warehouse.utils.exceptions.DevelopmentModeWarning',
     'error:SELECT statement has a cartesian product:sqlalchemy.exc.SAWarning',
+
+    # Noise reduction for warnings that are waiting for an upstream fix.
+    # https://github.com/Pylons/pyramid/issues/3731
+    'ignore:pkg_resources is deprecated as an API.*:UserWarning:pyramid.asset',
+    # https://github.com/Pylons/webob/issues/473
+    'ignore:datetime\.datetime\.utcnow\(\) is deprecated.*:DeprecationWarning:webob.cookies',
+    # https://github.com/pypi/warehouse/issues/15454#issuecomment-2599321232
+    'ignore:Accessing argon2.__version__ is deprecated.*:DeprecationWarning:passlib.handlers.argon2',
+    # https://github.com/zopefoundation/meta/issues/194
+    '''ignore:Deprecated call to `pkg_resources.declare_namespace\('(paste|repoze|zope)'\).*:DeprecationWarning:pkg_resources''',
 ]
 
 [tool.pip-tools.compile]