diff --git a/poetry.lock b/poetry.lock
index 8adf1b7..8aad9ce 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 1.6.1 and should not be changed by hand.
+# This file is automatically @generated by Poetry 1.7.1 and should not be changed by hand.
 
 [[package]]
 name = "appdirs"
@@ -149,20 +149,20 @@ smmap = ">=3.0.1,<5"
 
 [[package]]
 name = "gitpython"
-version = "3.1.37"
+version = "3.1.41"
 description = "GitPython is a Python library used to interact with Git repositories"
 optional = false
 python-versions = ">=3.7"
 files = [
-    {file = "GitPython-3.1.37-py3-none-any.whl", hash = "sha256:5f4c4187de49616d710a77e98ddf17b4782060a1788df441846bddefbb89ab33"},
-    {file = "GitPython-3.1.37.tar.gz", hash = "sha256:f9b9ddc0761c125d5780eab2d64be4873fc6817c2899cbcb34b02344bdc7bc54"},
+    {file = "GitPython-3.1.41-py3-none-any.whl", hash = "sha256:c36b6634d069b3f719610175020a9aed919421c87552185b085e04fbbdb10b7c"},
+    {file = "GitPython-3.1.41.tar.gz", hash = "sha256:ed66e624884f76df22c8e16066d567aaa5a37d5b5fa19db2c6df6f7156db9048"},
 ]
 
 [package.dependencies]
 gitdb = ">=4.0.1,<5"
 
 [package.extras]
-test = ["black", "coverage[toml]", "ddt (>=1.1.1,!=1.4.3)", "mypy", "pre-commit", "pytest", "pytest-cov", "pytest-sugar"]
+test = ["black", "coverage[toml]", "ddt (>=1.1.1,!=1.4.3)", "mock", "mypy", "pre-commit", "pytest (>=7.3.1)", "pytest-cov", "pytest-instafail", "pytest-mock", "pytest-sugar", "sumtypes"]
 
 [[package]]
 name = "importlib-metadata"
@@ -826,4 +826,4 @@ testing = ["func-timeout", "jaraco.itertools", "pytest (>=4.6)", "pytest-black (
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.8"
-content-hash = "9a5242f5cd0a311855d8ea921be3d2964b3e4b2422192214e1b096da6d0f11d3"
+content-hash = "9927b2c85d114497aeed57ba7a89245ce3ce19765bf7329eafb9bbc231aa373c"
diff --git a/pyproject.toml b/pyproject.toml
index c2ff57a..150a517 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,7 +15,7 @@ black = "^21.7b0"
 mkdocs = "^1.4.3"
 mkdocs-material = "^7.3.6"
 mdx-truly-sane-lists = "^1.3"
-GitPython = "^3.1.37"
+GitPython = "^3.1.41"
 mike = "^1.1.2"
 pep8-naming = "^0.12.1"
 invoke = "^1.5.0"