diff --git a/poetry.lock b/poetry.lock
index 63612a7..d02403d 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -2047,4 +2047,4 @@ docs = ["sphinx-rtd-theme", "sphinx-subprojecttoctree", "sphinxcontrib-napoleon"
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.8.0"
-content-hash = "77c61e65e1fb5fa5902548b8067ccc3d5936c18439cd4055decbb63e3597d380"
+content-hash = "a262cc16c313956c59fc301377be02f8d1c2999fdf19e0250e1574999b8fe865"
diff --git a/pyproject.toml b/pyproject.toml
index 89dfab9..8888897 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -16,7 +16,7 @@ click = "8.0.4"
 importlib = "^1.0.4"
 sphinxcontrib-napoleon = {version = "^0.7", optional = true}
 sphinx-rtd-theme = {version = "^1.3.0", optional = true}
-sphinx-subprojecttoctree = {version = "^0.5.4", optional = true}
+sphinx-subprojecttoctree = {version = "^0.5.1", optional = true}
 
 [tool.poetry.dev-dependencies]
 pytest = "^7.1.3"