diff --git a/poetry.lock b/poetry.lock
index 074919e1..34661368 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -262,7 +262,7 @@ pycodestyle = "*"
 
 [[package]]
 name = "flake8-bugbear"
-version = "20.11.1"
+version = "21.3.2"
 description = "A plugin for flake8 finding likely bugs and design problems in your program. Contains warnings that don't belong in pyflakes and pycodestyle."
 category = "dev"
 optional = false
@@ -995,7 +995,7 @@ 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 = "9c21d1ef52da078ef6eb25a489825064dd37f52bf3e3abbeb5597fba5c410c9d"
+content-hash = "5b980f9099996a2e5ef77740e396cd13d00d650bbe6a3cc40855eefd2338b8f3"
 
 [metadata.files]
 aiohttp = [
@@ -1178,8 +1178,8 @@ flake8-bandit = [
     {file = "flake8_bandit-2.1.2.tar.gz", hash = "sha256:687fc8da2e4a239b206af2e54a90093572a60d0954f3054e23690739b0b0de3b"},
 ]
 flake8-bugbear = [
-    {file = "flake8-bugbear-20.11.1.tar.gz", hash = "sha256:528020129fea2dea33a466b9d64ab650aa3e5f9ffc788b70ea4bc6cf18283538"},
-    {file = "flake8_bugbear-20.11.1-py36.py37.py38-none-any.whl", hash = "sha256:f35b8135ece7a014bc0aee5b5d485334ac30a6da48494998cc1fabf7ec70d703"},
+    {file = "flake8-bugbear-21.3.2.tar.gz", hash = "sha256:cadce434ceef96463b45a7c3000f23527c04ea4b531d16c7ac8886051f516ca0"},
+    {file = "flake8_bugbear-21.3.2-py36.py37.py38-none-any.whl", hash = "sha256:5d6ccb0c0676c738a6e066b4d50589c408dcc1c5bf1d73b464b18b73cd6c05c2"},
 ]
 flake8-docstrings = [
     {file = "flake8-docstrings-1.5.0.tar.gz", hash = "sha256:3d5a31c7ec6b7367ea6506a87ec293b94a0a46c0bce2bb4975b7f1d09b6f3717"},
diff --git a/pyproject.toml b/pyproject.toml
index cd539bd7..83b21a0c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -44,7 +44,7 @@ pre-commit = "^2.11.1"
 flake8 = "^3.8.3"
 black = "^20.8b1"
 flake8-bandit = "^2.1.2"
-flake8-bugbear = "^20.11.1"
+flake8-bugbear = "^21.3.2"
 flake8-docstrings = "^1.5.0"
 flake8-rst-docstrings = "^0.0.14"
 pep8-naming = "^0.11.1"