diff --git a/poetry.lock b/poetry.lock
index dc2f95b3..1a18925f 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -899,15 +899,15 @@ sphinx = ">=2.0"
 
 [[package]]
 name = "sphinx-rtd-theme"
-version = "0.5.2"
+version = "1.0.0"
 description = "Read the Docs theme for Sphinx"
 category = "dev"
 optional = false
-python-versions = "*"
+python-versions = ">=2.7,!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*"
 
 [package.dependencies]
-docutils = "<0.17"
-sphinx = "*"
+docutils = "<0.18"
+sphinx = ">=1.6"
 
 [package.extras]
 dev = ["transifex-client", "sphinxcontrib-httpdomain", "bump2version"]
@@ -1098,7 +1098,7 @@ testing = ["coverage (>=4)", "coverage-enable-subprocess (>=1)", "flaky (>=3)",
 
 [[package]]
 name = "xdoctest"
-version = "0.15.6"
+version = "0.15.9"
 description = "A rewrite of the builtin doctest module"
 category = "dev"
 optional = false
@@ -1110,11 +1110,11 @@ Pygments = {version = "*", optional = true, markers = "extra == \"colors\""}
 six = "*"
 
 [package.extras]
-all = ["six", "codecov", "scikit-build", "cmake", "ninja", "pybind11", "pygments", "colorama", "pytest", "pytest", "pytest-cov", "pytest", "pytest", "pytest-cov", "typing", "nbformat", "nbconvert", "jupyter-client", "ipython", "ipykernel", "pytest", "pytest-cov"]
+all = ["pygments", "cmake", "codecov", "ninja", "pybind11", "scikit-build", "six", "colorama", "pytest", "pytest", "pytest-cov", "pytest", "pytest", "pytest-cov", "typing", "ipython", "ipykernel", "jupyter-client", "nbconvert", "nbformat", "pytest", "pytest-cov"]
 colors = ["pygments", "colorama"]
-jupyter = ["nbformat", "nbconvert", "jupyter-client", "ipython", "ipykernel"]
-optional = ["pygments", "colorama", "nbformat", "nbconvert", "jupyter-client", "ipython", "ipykernel"]
-tests = ["codecov", "scikit-build", "cmake", "ninja", "pybind11", "pytest", "pytest", "pytest-cov", "pytest", "pytest", "pytest-cov", "typing", "nbformat", "nbconvert", "jupyter-client", "ipython", "ipykernel", "pytest", "pytest-cov"]
+jupyter = ["ipython", "ipykernel", "jupyter-client", "nbconvert", "nbformat"]
+optional = ["pygments", "colorama", "ipython", "ipykernel", "jupyter-client", "nbconvert", "nbformat"]
+tests = ["cmake", "codecov", "ninja", "pybind11", "scikit-build", "pytest", "pytest", "pytest-cov", "pytest", "pytest", "pytest-cov", "typing", "ipython", "ipykernel", "jupyter-client", "nbconvert", "nbformat", "pytest", "pytest-cov"]
 
 [[package]]
 name = "zipp"
@@ -1131,7 +1131,7 @@ testing = ["pytest (>=4.6)", "pytest-checkdocs (>=2.4)", "pytest-flake8", "pytes
 [metadata]
 lock-version = "1.1"
 python-versions = ">=3.7.1,<3.10"
-content-hash = "b25fd1d01189b22ccd803ac0be3e564b8992a20fce5f3dc8103a4493715a04b9"
+content-hash = "600dccbf9c6ecb15fd6ff2e7efe7154bc2d963756c6dbe2bfe2ad2a5a7bc38dd"
 
 [metadata.files]
 alabaster = [
@@ -1684,8 +1684,8 @@ sphinx-click = [
     {file = "sphinx_click-3.0.1-py3-none-any.whl", hash = "sha256:e9ee2237e5a6b6620e9996b8214934afdf8f7f9f9fc082482c77be0e4379038e"},
 ]
 sphinx-rtd-theme = [
-    {file = "sphinx_rtd_theme-0.5.2-py2.py3-none-any.whl", hash = "sha256:4a05bdbe8b1446d77a01e20a23ebc6777c74f43237035e76be89699308987d6f"},
-    {file = "sphinx_rtd_theme-0.5.2.tar.gz", hash = "sha256:32bd3b5d13dc8186d7a42fc816a23d32e83a4827d7d9882948e7b837c232da5a"},
+    {file = "sphinx_rtd_theme-1.0.0-py2.py3-none-any.whl", hash = "sha256:4d35a56f4508cfee4c4fb604373ede6feae2a306731d533f409ef5c3496fdbd8"},
+    {file = "sphinx_rtd_theme-1.0.0.tar.gz", hash = "sha256:eec6d497e4c2195fa0e8b2016b337532b8a699a68bcb22a512870e16925c6a5c"},
 ]
 sphinxcontrib-applehelp = [
     {file = "sphinxcontrib-applehelp-1.0.2.tar.gz", hash = "sha256:a072735ec80e7675e3f432fcae8610ecf509c5f1869d17e2eecff44389cdbc58"},
@@ -1820,9 +1820,9 @@ virtualenv = [
     {file = "virtualenv-20.7.2.tar.gz", hash = "sha256:9ef4e8ee4710826e98ff3075c9a4739e2cb1040de6a2a8d35db0055840dc96a0"},
 ]
 xdoctest = [
-    {file = "xdoctest-0.15.6-py2.py3-none-any.whl", hash = "sha256:4ba30ad2aadd6474388b185ced6d8146490d3720665c6964891c19b4b169b5fc"},
-    {file = "xdoctest-0.15.6-py3-none-any.whl", hash = "sha256:c8ea193a19183f38fb85a0dc1659f1a39b0437ec892d692d44d586ae2780961f"},
-    {file = "xdoctest-0.15.6.tar.gz", hash = "sha256:49ebffcfa49b810d5c02c6bc1ef0487a36a6a27bb46c39a137952fda3f03ae33"},
+    {file = "xdoctest-0.15.9-py2.py3-none-any.whl", hash = "sha256:0aa507cd2260e8d88adf1f8ef93d1710b78f2c0c21f007ea95562a8f3be7cd71"},
+    {file = "xdoctest-0.15.9-py3-none-any.whl", hash = "sha256:1c7a713cab41ec50e0ebca1ad5a8e02c2202f1b81f963fa970fec9c87bbcd4f7"},
+    {file = "xdoctest-0.15.9.tar.gz", hash = "sha256:84b00921d9fd6df774b1c5f23a96c65cc35ce78147679b31af95507670547655"},
 ]
 zipp = [
     {file = "zipp-3.5.0-py3-none-any.whl", hash = "sha256:957cfda87797e389580cb8b9e3870841ca991e2125350677b2ca83a0e99390a3"},
diff --git a/pyproject.toml b/pyproject.toml
index 36f1ce88..4a9db26c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -40,7 +40,7 @@ coverage = {extras = ["toml"], version = "^6.0b1"}
 safety = "^1.10.3"
 mypy = "^0.910"
 typeguard = "^2.12.1"
-xdoctest = {extras = ["colors"], version = "^0.15.4"}
+xdoctest = {extras = ["colors"], version = "^0.15.9"}
 sphinx = "^4.0.2"
 sphinx-autobuild = "^2021.3.14"
 pre-commit = "^2.14.1"
@@ -54,7 +54,7 @@ pep8-naming = "^0.12.0"
 darglint = "^1.8.0"
 reorder-python-imports = "^2.6.0"
 pre-commit-hooks = "^3.4.0"
-sphinx-rtd-theme = "^0.5.2"
+sphinx-rtd-theme = "^1.0.0"
 sphinx-click = "^3.0.0"
 Pygments = "^2.8.1"