diff --git a/poetry.lock b/poetry.lock
index aa8d11f5..9f9b303f 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -721,7 +721,7 @@ testing = ["fields", "hunter", "process-tests", "six", "pytest-xdist", "virtuale
 
 [[package]]
 name = "pyupgrade"
-version = "2.27.0"
+version = "2.28.0"
 description = "A tool to automatically upgrade syntax for newer versions."
 category = "dev"
 optional = false
@@ -946,7 +946,7 @@ multidict = ">=4.0"
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.8"
-content-hash = "d26f27b73817a22c487eddf6a1a1d39c66c9009ac8cf47018d15992939a04638"
+content-hash = "27ffb7bfe71ff4fc6156705552a1fb3264c323de0910bfef3f301777edc265a8"
 
 [metadata.files]
 aiohttp = [
@@ -1361,8 +1361,8 @@ pytest-cov = [
     {file = "pytest_cov-2.12.1-py2.py3-none-any.whl", hash = "sha256:261bb9e47e65bd099c89c3edf92972865210c36813f80ede5277dceb77a4a62a"},
 ]
 pyupgrade = [
-    {file = "pyupgrade-2.27.0-py2.py3-none-any.whl", hash = "sha256:14e3b282f1239dd458044c286d0dc2e425536a3b3789146fdd7dd34aff7cb7d5"},
-    {file = "pyupgrade-2.27.0.tar.gz", hash = "sha256:73737d3563374c034ea2912f90f7d5b7792e189583f6353518d71f67e616cd8a"},
+    {file = "pyupgrade-2.28.0-py2.py3-none-any.whl", hash = "sha256:abba50e2c0e8e27b5c5ce6d7f6b2e673df282ac9225a48bb643d9f18163274ff"},
+    {file = "pyupgrade-2.28.0.tar.gz", hash = "sha256:9695553761da2e9d06101fd0c0c97a216df9dbdd18d705568d313ddefcda0c2c"},
 ]
 pyyaml = [
     {file = "PyYAML-5.4.1-cp27-cp27m-macosx_10_9_x86_64.whl", hash = "sha256:3b2b1824fe7112845700f815ff6a489360226a5609b96ec2190a45e62a9fc922"},
diff --git a/pyproject.toml b/pyproject.toml
index e1fce650..81404db2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -46,7 +46,7 @@ pytest = "^6.2.5"
 pytest-asyncio = "^0.15.1"
 pytest-cov = "^2.11.1"
 yamllint = "^1.26.3"
-pyupgrade = "^2.27.0"
+pyupgrade = "^2.28.0"
 flake8-simplify = "^0.14.2"
 vulture = "^2.3"
 flake8-bandit = "^2.1.2"