diff --git a/pyproject.toml b/pyproject.toml
index 81cee70..fb1158f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -33,7 +33,7 @@ dependencies = [
 [project.optional-dependencies]
 dev = [
   'coverage>=6.5.0',
-  'pytest>=7.1.3',
+  'pytest>=7.1.3, <8.1.0',
   'pytest-astropy',
   'pytest-cov',
   'black==22.10.0',
@@ -61,7 +61,7 @@ write_to = "ccsdspy/_version.py"
 minversion = "6.0"
 testpaths = ["ccsdspy/tests", "docs"]
 norecursedirs = ["build", "docs/_build", "docs/generated", "*.egg-info", "attic"]
-doctest_plus = "enabled"
+#doctest_plus = "enabled"
 text_file_format = "rst"
 addopts = "--doctest-modules"
 collect_ignore_glob= ['_*.py']