diff --git a/pyproject.toml b/pyproject.toml
index bae3d6f..3e4207c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -45,11 +45,6 @@ optional = true
 [tool.poetry.group.docs.dependencies]
 sphinx = "^6.0.0"
 sphinx-rtd-theme = ">=1.3,<3.0"
-expiringdict = ">=1.1.4"
-pyrfc3339 = ">=1.0"
-jsonpickle = ">1.4.1"
-semver = ">=2.7.9"
-urllib3 = ">=1.22.0"
 jinja2 = "3.1.3"