diff --git a/poetry.lock b/poetry.lock
index 5ce51b6c..b4aff780 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -932,7 +932,7 @@ testing = ["coverage (>=4)", "coverage-enable-subprocess (>=1)", "flaky (>=3)",
 
 [[package]]
 name = "xdoctest"
-version = "0.15.4"
+version = "0.15.5"
 description = "A rewrite of the builtin doctest module"
 category = "dev"
 optional = false
@@ -944,11 +944,11 @@ Pygments = {version = "*", optional = true, markers = "extra == \"colors\""}
 six = "*"
 
 [package.extras]
-all = ["six", "pytest", "pytest-cov", "codecov", "scikit-build", "cmake", "ninja", "pybind11", "pygments", "colorama", "nbformat", "nbconvert", "jupyter-client", "ipython", "ipykernel"]
+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"]
 colors = ["pygments", "colorama"]
 jupyter = ["nbformat", "nbconvert", "jupyter-client", "ipython", "ipykernel"]
 optional = ["pygments", "colorama", "nbformat", "nbconvert", "jupyter-client", "ipython", "ipykernel"]
-tests = ["pytest", "pytest-cov", "codecov", "scikit-build", "cmake", "ninja", "pybind11", "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"]
 
 [[package]]
 name = "zipp"
@@ -965,7 +965,7 @@ 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 = "8a13eec87a64c6787954612bf4455268631cd8b4ec44346239a3623b9ba4ebb2"
+content-hash = "560a1c967073a9b176fb54d9dfc293ce834dc3202a0f0a8eab4b68ba37e7d4ec"
 
 [metadata.files]
 alabaster = [
@@ -1533,9 +1533,9 @@ virtualenv = [
     {file = "virtualenv-20.0.35.tar.gz", hash = "sha256:2a72c80fa2ad8f4e2985c06e6fc12c3d60d060e410572f553c90619b0f6efaf3"},
 ]
 xdoctest = [
-    {file = "xdoctest-0.15.4-py2.py3-none-any.whl", hash = "sha256:4b91eb67e45e51a254ff9370adb72a0c82b08289844c95cfd3a1186d7ec4f694"},
-    {file = "xdoctest-0.15.4-py3-none-any.whl", hash = "sha256:33d4a12cf70da245ca3f71be9ef03e0615fa862826bf6a08e8f025ce693e496d"},
-    {file = "xdoctest-0.15.4.tar.gz", hash = "sha256:ef1f93d2147988d3cb6f35c026ec32aca971923f86945a775f61e2f8de8505d1"},
+    {file = "xdoctest-0.15.5-py2.py3-none-any.whl", hash = "sha256:bbf92c11e29ac5acab6d0381e9d4bcfdce7f2ed3b516e38e71a181d3d210d460"},
+    {file = "xdoctest-0.15.5-py3-none-any.whl", hash = "sha256:49e16058d53138f3f20db3935c0e6e111d60a2c8739c017fb45c4486f4f8e8f1"},
+    {file = "xdoctest-0.15.5.tar.gz", hash = "sha256:3d4966651c2eaa3b7c48307e484e6aa0428388d46842c3639d51757f0df56f56"},
 ]
 zipp = [
     {file = "zipp-3.3.1-py3-none-any.whl", hash = "sha256:16522f69653f0d67be90e8baa4a46d66389145b734345d68a257da53df670903"},
diff --git a/pyproject.toml b/pyproject.toml
index d4903afb..145e716a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -40,7 +40,7 @@ coverage = {extras = ["toml"], version = "^5.3"}
 safety = "^1.10.3"
 mypy = "^0.812"
 typeguard = "^2.12.1"
-xdoctest = {extras = ["colors"], version = "^0.15.0"}
+xdoctest = {extras = ["colors"], version = "^0.15.5"}
 sphinx = "^3.5.3"
 sphinx-autobuild = "^2021.3.14"
 pre-commit = "^2.13.0"