diff --git a/poetry.lock b/poetry.lock
index e90bdb0..338205e 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -2326,20 +2326,20 @@ files = [
 
 [[package]]
 name = "sphinx"
-version = "6.2.1"
+version = "7.1.2"
 description = "Python documentation generator"
 optional = false
 python-versions = ">=3.8"
 files = [
-    {file = "Sphinx-6.2.1.tar.gz", hash = "sha256:6d56a34697bb749ffa0152feafc4b19836c755d90a7c59b72bc7dfd371b9cc6b"},
-    {file = "sphinx-6.2.1-py3-none-any.whl", hash = "sha256:97787ff1fa3256a3eef9eda523a63dbf299f7b47e053cfcf684a1c2a8380c912"},
+    {file = "sphinx-7.1.2-py3-none-any.whl", hash = "sha256:d170a81825b2fcacb6dfd5a0d7f578a053e45d3f2b153fecc948c37344eb4cbe"},
+    {file = "sphinx-7.1.2.tar.gz", hash = "sha256:780f4d32f1d7d1126576e0e5ecc19dc32ab76cd24e950228dcf7b1f6d3d9e22f"},
 ]
 
 [package.dependencies]
 alabaster = ">=0.7,<0.8"
 babel = ">=2.9"
 colorama = {version = ">=0.4.5", markers = "sys_platform == \"win32\""}
-docutils = ">=0.18.1,<0.20"
+docutils = ">=0.18.1,<0.21"
 imagesize = ">=1.3"
 importlib-metadata = {version = ">=4.8", markers = "python_version < \"3.10\""}
 Jinja2 = ">=3.0"
@@ -2690,4 +2690,4 @@ test = ["big-O", "jaraco.functools", "jaraco.itertools", "jaraco.test", "more-it
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.8,<3.13"
-content-hash = "f19c812831e324a217ef6eb0fe7e04a3c452bc9613d4ee592ac4fd0bff08ac71"
+content-hash = "ee8c70873646ef54be08878dbf0e1e1d076b2a9d7d946a84aaaeb060d028a524"
diff --git a/pyproject.toml b/pyproject.toml
index ad7d9f4..64f73c4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -33,7 +33,7 @@ scipy = [
 [tool.poetry.group.dev.dependencies]
 pytest = "^7.4.0"
 pytest-cov = ">=4.1,<6.0"
-Sphinx = "^6.0.0"
+Sphinx = ">=6,<8"
 myst-parser = ">=2,<4"
 sphinxcontrib-mermaid = "^0.9.0"
 cytominer-database = "^0.3.4"