diff --git a/pyproject.toml b/pyproject.toml
index 1465226..7445355 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -67,7 +67,7 @@ pytest-loguru = "^0.2.0"
 optional = true
 
 [tool.poetry.group.docs.dependencies]
-sphinx = ">=5,<6"
+sphinx = ">=5,<8"
 sphinx_bootstrap_theme = "^0.8.1"
 sphinxext-remoteliteralinclude = "^0.4.0"