diff --git a/poetry.lock b/poetry.lock
index b34cda7..9f43008 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -83,7 +83,7 @@ python-versions = "*"
 
 [[package]]
 name = "pre-commit"
-version = "2.11.0"
+version = "2.11.1"
 description = "A framework for managing and maintaining multi-language pre-commit hooks."
 category = "dev"
 optional = false
@@ -164,7 +164,7 @@ testing = ["pytest (>=3.5,!=3.7.3)", "pytest-checkdocs (>=1.2.3)", "pytest-flake
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.7"
-content-hash = "557aca82274000060a4c4520e1427262d3f01dcd8c5685205a1e34a9ac9472ae"
+content-hash = "1fccdd967c51f94b7acf5f1999c1ba443a5cc7d2ba917164d3cb28f96df85277"
 
 [metadata.files]
 appdirs = [
@@ -233,8 +233,8 @@ nodeenv = [
     {file = "nodeenv-1.5.0.tar.gz", hash = "sha256:ab45090ae383b716c4ef89e690c41ff8c2b257b85b309f01f3654df3d084bd7c"},
 ]
 pre-commit = [
-    {file = "pre_commit-2.11.0-py2.py3-none-any.whl", hash = "sha256:c4853e29c24b27d81359357fae891e00bc83e6a0575c93d815e0e8077bd53b3b"},
-    {file = "pre_commit-2.11.0.tar.gz", hash = "sha256:06f8cb95e29e56788fb5dc98d7ca7a714969dc96633e1ba654ccd5953b64c195"},
+    {file = "pre_commit-2.11.1-py2.py3-none-any.whl", hash = "sha256:94c82f1bf5899d56edb1d926732f4e75a7df29a0c8c092559c77420c9d62428b"},
+    {file = "pre_commit-2.11.1.tar.gz", hash = "sha256:de55c5c72ce80d79106e48beb1b54104d16495ce7f95b0c7b13d4784193a00af"},
 ]
 pyyaml = [
     {file = "PyYAML-5.3.1-cp27-cp27m-win32.whl", hash = "sha256:74809a57b329d6cc0fdccee6318f44b9b8649961fa73144a98735b0aaf029f1f"},
diff --git a/pyproject.toml b/pyproject.toml
index 5bced59..9724286 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -12,7 +12,7 @@ python = "^3.7"
 
 [tool.poetry.dev-dependencies]
 Cython = "^0.29.22"
-pre-commit = "^2.11.0"
+pre-commit = "^2.11.1"
 
 [tool.poetry.scripts]
 run_puzzle = "advent_of_code.run_puzzle:main"