diff --git a/poetry.lock b/poetry.lock
index a02fb133..506c3655 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -755,7 +755,7 @@ test = ["pytest", "pytest-cov"]
 
 [[package]]
 name = "sphinx-rtd-theme"
-version = "0.5.0"
+version = "0.5.1"
 description = "Read the Docs theme for Sphinx"
 category = "dev"
 optional = false
@@ -961,7 +961,7 @@ testing = ["pytest (>=3.5,!=3.7.3)", "pytest-checkdocs (>=1.2.3)", "pytest-flake
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.7.0"
-content-hash = "8bd2376de255ed78707ac4bc0c706e5b6c9baef082f62d80f9a7f04ead99a961"
+content-hash = "95a4f545b68ae0514550366a1c8c94bca84702dcf1b3b7321f1364b0a20d4dec"
 
 [metadata.files]
 alabaster = [
@@ -1433,8 +1433,8 @@ sphinx-autobuild = [
     {file = "sphinx_autobuild-2020.9.1-py3-none-any.whl", hash = "sha256:df5c72cb8b8fc9b31279c4619780c4e95029be6de569ff60a8bb2e99d20f63dd"},
 ]
 sphinx-rtd-theme = [
-    {file = "sphinx_rtd_theme-0.5.0-py2.py3-none-any.whl", hash = "sha256:373413d0f82425aaa28fb288009bf0d0964711d347763af2f1b65cafcb028c82"},
-    {file = "sphinx_rtd_theme-0.5.0.tar.gz", hash = "sha256:22c795ba2832a169ca301cd0a083f7a434e09c538c70beb42782c073651b707d"},
+    {file = "sphinx_rtd_theme-0.5.1-py2.py3-none-any.whl", hash = "sha256:fa6bebd5ab9a73da8e102509a86f3fcc36dec04a0b52ea80e5a033b2aba00113"},
+    {file = "sphinx_rtd_theme-0.5.1.tar.gz", hash = "sha256:eda689eda0c7301a80cf122dad28b1861e5605cbf455558f3775e1e8200e83a5"},
 ]
 sphinxcontrib-applehelp = [
     {file = "sphinxcontrib-applehelp-1.0.2.tar.gz", hash = "sha256:a072735ec80e7675e3f432fcae8610ecf509c5f1869d17e2eecff44389cdbc58"},
diff --git a/pyproject.toml b/pyproject.toml
index fc32a853..25560041 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -54,7 +54,7 @@ pep8-naming = "^0.11.1"
 darglint = "^1.7.0"
 reorder-python-imports = "^2.4.0"
 pre-commit-hooks = "^3.3.0"
-sphinx-rtd-theme = "^0.5.0"
+sphinx-rtd-theme = "^0.5.1"
 Pygments = "^2.7.2"
 
 [tool.poetry.scripts]