diff --git a/poetry.lock b/poetry.lock
index 2dcf240..fd06d0a 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -276,7 +276,7 @@ pycodestyle = "*"
 
 [[package]]
 name = "flake8-bugbear"
-version = "21.4.3"
+version = "21.9.1"
 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
@@ -1055,7 +1055,7 @@ testing = ["pytest (>=4.6)", "pytest-checkdocs (>=1.2.3)", "pytest-flake8", "pyt
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.7"
-content-hash = "889c5f37e719a0b3dc4ab56d509423942aab54f39afc8e0e0e705e522fba915e"
+content-hash = "114757b16006f72a733b6308fd25750124f1af6344f0909895efa7e9ed9cd935"
 
 [metadata.files]
 alabaster = [
@@ -1182,8 +1182,8 @@ flake8-bandit = [
     {file = "flake8_bandit-2.1.2.tar.gz", hash = "sha256:687fc8da2e4a239b206af2e54a90093572a60d0954f3054e23690739b0b0de3b"},
 ]
 flake8-bugbear = [
-    {file = "flake8-bugbear-21.4.3.tar.gz", hash = "sha256:2346c81f889955b39e4a368eb7d508de723d9de05716c287dc860a4073dc57e7"},
-    {file = "flake8_bugbear-21.4.3-py36.py37.py38-none-any.whl", hash = "sha256:4f305dca96be62bf732a218fe6f1825472a621d3452c5b994d8f89dae21dbafa"},
+    {file = "flake8-bugbear-21.9.1.tar.gz", hash = "sha256:2f60c8ce0dc53d51da119faab2d67dea978227f0f92ed3c44eb7d65fb2e06a96"},
+    {file = "flake8_bugbear-21.9.1-py36.py37.py38-none-any.whl", hash = "sha256:45bfdccfb9f2d8aa140e33cac8f46f1e38215c13d5aa8650e7e188d84e2f94c6"},
 ]
 flake8-docstrings = [
     {file = "flake8-docstrings-1.6.0.tar.gz", hash = "sha256:9fe7c6a306064af8e62a055c2f61e9eb1da55f84bb39caef2b84ce53708ac34b"},
diff --git a/pyproject.toml b/pyproject.toml
index 9876ca0..7c637ea 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -35,7 +35,7 @@ django = ">=2.0"
 black = "^21.9b0"
 flake8 = "^3.8.4"
 flake8-bandit = "^2.1.2"
-flake8-bugbear = "^21.4.3"
+flake8-bugbear = "^21.9.1"
 safety = "^1.10.3"
 pytest = "^6.2.5"
 mypy = "^0.910"