diff --git a/poetry.lock b/poetry.lock
index 3c444757..011bd5d7 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -235,7 +235,7 @@ pycodestyle = "*"
 
 [[package]]
 name = "flake8-bugbear"
-version = "20.1.4"
+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
@@ -245,6 +245,9 @@ python-versions = ">=3.6"
 attrs = ">=19.2.0"
 flake8 = ">=3.0.0"
 
+[package.extras]
+dev = ["coverage", "black", "hypothesis", "hypothesmith"]
+
 [[package]]
 name = "flake8-docstrings"
 version = "1.5.0"
@@ -961,7 +964,7 @@ 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 = "55655595f2e5f9aaca54f1d4c531c2bfe89e2fd5e23664687c5a3aec00a2cf2a"
+content-hash = "233e6349a68b8ca056a18647d01d3f16a2853bf6c82cd27afcfae0df32d9972d"
 
 [metadata.files]
 alabaster = [
@@ -1083,8 +1086,8 @@ flake8-bandit = [
     {file = "flake8_bandit-2.1.2.tar.gz", hash = "sha256:687fc8da2e4a239b206af2e54a90093572a60d0954f3054e23690739b0b0de3b"},
 ]
 flake8-bugbear = [
-    {file = "flake8-bugbear-20.1.4.tar.gz", hash = "sha256:bd02e4b009fb153fe6072c31c52aeab5b133d508095befb2ffcf3b41c4823162"},
-    {file = "flake8_bugbear-20.1.4-py36.py37.py38-none-any.whl", hash = "sha256:a3ddc03ec28ba2296fc6f89444d1c946a6b76460f859795b35b77d4920a51b63"},
+    {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 2933d112..2b549611 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -47,7 +47,7 @@ pre-commit = "^2.11.1"
 flake8 = "^3.8.4"
 black = "^20.8b1"
 flake8-bandit = "^2.1.2"
-flake8-bugbear = "^20.1.4"
+flake8-bugbear = "^21.3.2"
 flake8-docstrings = "^1.5.0"
 flake8-rst-docstrings = "^0.0.14"
 pep8-naming = "^0.11.1"