diff --git a/poetry.lock b/poetry.lock
index b56e1838..3ba453ad 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -358,7 +358,7 @@ cryptography = ["cryptography (<2.2)", "cryptography"]
 
 [[package]]
 name = "numpydoc"
-version = "1.3.1"
+version = "1.4.0"
 description = "Sphinx extension to support docstrings in Numpy format"
 category = "main"
 optional = true
@@ -975,7 +975,7 @@ test = ["pytest", "pytest-cov", "uvicorn", "fastapi", "pydantic", "requests-mock
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.7"
-content-hash = "c8d3cf878e55d8908cc7b59d92dcf0dba458d9f96b248df6da1748986a06df36"
+content-hash = "bca22b03182fd8e11cb667cd02f2cd331bbb5ae40db83dbb5c0179128a464f74"
 
 [metadata.files]
 alabaster = [
@@ -1270,8 +1270,8 @@ ntlm-auth = [
     {file = "ntlm_auth-1.5.0-py2.py3-none-any.whl", hash = "sha256:f1527c581dbf149349134fc2d789d50af2a400e193206956fa0ab456ccc5a8ba"},
 ]
 numpydoc = [
-    {file = "numpydoc-1.3.1-py3-none-any.whl", hash = "sha256:a49822cb225e71b7ef7889dd42576b5aa14c56ce62e0bc030f97abc8a3ae240f"},
-    {file = "numpydoc-1.3.1.tar.gz", hash = "sha256:349ff29e00a5caf119141967e579f8f17b24d41c46740b13ea4e8dba9971b20f"},
+    {file = "numpydoc-1.4.0-py3-none-any.whl", hash = "sha256:fd26258868ebcc75c816fe68e1d41e3b55bd410941acfb969dee3eef6e5cf260"},
+    {file = "numpydoc-1.4.0.tar.gz", hash = "sha256:9494daf1c7612f59905fa09e65c9b8a90bbacb3804d91f7a94e778831e6fcfa5"},
 ]
 oauthlib = [
     {file = "oauthlib-3.2.0-py3-none-any.whl", hash = "sha256:6db33440354787f9b7f3a6dbd4febf5d0f93758354060e802f6c06cb493022fe"},
diff --git a/pyproject.toml b/pyproject.toml
index 8965b946..56aa8463 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -67,7 +67,7 @@ psutil = {version = "*", optional = true}
 
 # Doc packages
 pyansys-sphinx-theme = { version = "0.3.1", optional = true }
-numpydoc = { version = "1.3.1", optional = true }
+numpydoc = { version = "1.4.0", optional = true }
 sphinx = { version = "4.5.0", optional = true }
 sphinx_autodoc_typehints = { version = "1.18.3", optional = true }
 sphinx-notfound-page = { version = "0.8", optional = true }