diff --git a/pyproject.toml b/pyproject.toml
index 4ff8c77a..875cded4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -66,7 +66,7 @@ dev = [
     "asciinema>=2.0.2,<3",
     "pytest-dictsdiff>=0.5.8,<0.6",
     "ipdb>=0.13.9,<0.14",
-    "sphinx-argparse>=0.4.0,<0.5",
+    "sphinx-argparse>=0.4.0,<0.7",
     "sphinxcontrib-restbuilder>=0.3,<0.4",
     "types-PyYAML>=5.4.1,<7",
     "types-python-slugify>=8.0.0.0,<9",