diff --git a/poetry.lock b/poetry.lock
index e3ba4010..75a8de3d 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -548,7 +548,7 @@ python-versions = "*"
 
 [[package]]
 name = "sphinx"
-version = "3.3.1"
+version = "3.4.2"
 description = "Python documentation generator"
 category = "dev"
 optional = false
@@ -574,8 +574,8 @@ sphinxcontrib-serializinghtml = "*"
 
 [package.extras]
 docs = ["sphinxcontrib-websupport"]
-lint = ["flake8 (>=3.5.0)", "flake8-import-order", "mypy (>=0.790)", "docutils-stubs"]
-test = ["pytest", "pytest-cov", "html5lib", "typed-ast", "cython"]
+lint = ["flake8 (>=3.5.0)", "isort", "mypy (>=0.790)", "docutils-stubs"]
+test = ["pytest", "pytest-cov", "html5lib", "cython", "typed-ast"]
 
 [[package]]
 name = "sphinx-autoapi"
@@ -790,7 +790,7 @@ testing = ["pytest (>=3.5,!=3.7.3)", "pytest-checkdocs (>=1.2.3)", "pytest-flake
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.6"
-content-hash = "f407b6f4631ef2ba19f63a69b526d5dc15cf4b7be3c2f06e7ddf57220d65247d"
+content-hash = "24b4cc264c28c73acde6c63d6726c1f318677c6f472fb9d774b836e68c5756b6"
 
 [metadata.files]
 alabaster = [
@@ -1132,8 +1132,8 @@ snowballstemmer = [
     {file = "snowballstemmer-2.0.0.tar.gz", hash = "sha256:df3bac3df4c2c01363f3dd2cfa78cce2840a79b9f1c2d2de9ce8d31683992f52"},
 ]
 sphinx = [
-    {file = "Sphinx-3.3.1-py3-none-any.whl", hash = "sha256:d4e59ad4ea55efbb3c05cde3bfc83bfc14f0c95aa95c3d75346fcce186a47960"},
-    {file = "Sphinx-3.3.1.tar.gz", hash = "sha256:1e8d592225447104d1172be415bc2972bd1357e3e12fdc76edf2261105db4300"},
+    {file = "Sphinx-3.4.2-py3-none-any.whl", hash = "sha256:b8aa4eb5502c53d3b5ca13a07abeedacd887f7770c198952fd5b9530d973e767"},
+    {file = "Sphinx-3.4.2.tar.gz", hash = "sha256:77dec5ac77ca46eee54f59cf477780f4fb23327b3339ef39c8471abb829c1285"},
 ]
 sphinx-autoapi = [
     {file = "sphinx-autoapi-1.5.1.tar.gz", hash = "sha256:4d50878323b80b66abdc4046c1632636473414653bac450b58832b8ee9f6a9a6"},
diff --git a/pyproject.toml b/pyproject.toml
index bf3edcba..e1780578 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -28,7 +28,7 @@ black = {version = "^20.8b1",allow-prereleases = true}
 pytest-cov = "^2.10.1"
 jsonschema = "^3.2.0"
 pylint = "^2.6.0"
-sphinx = "^3.2.1"
+sphinx = "^3.4.2"
 sphinx-autoapi = "^1.4.0"
 sphinx-rtd-theme = "^0.5.0"
 mypy = "^0.790"