diff --git a/poetry.lock b/poetry.lock
index 3df7f63f..82588b48 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -290,13 +290,13 @@ pydocstyle = ">=2.1"
 
 [[package]]
 name = "flake8-simplify"
-version = "0.20.0"
+version = "0.21.0"
 description = "flake8 plugin which checks for code that can be simplified"
 optional = false
 python-versions = ">=3.6.1"
 files = [
-    {file = "flake8_simplify-0.20.0-py3-none-any.whl", hash = "sha256:599a47824726c93fadcf0274e569daed45052e38cd906360d9080eaa3bd76d61"},
-    {file = "flake8_simplify-0.20.0.tar.gz", hash = "sha256:7b8796bbea8aed45f56621c389d0556cc86f0afa5d992581139451240a8fbeca"},
+    {file = "flake8_simplify-0.21.0-py3-none-any.whl", hash = "sha256:439391e762a9370b371208add0b5c5c40c3d25a98e1f5421d263215d08194183"},
+    {file = "flake8_simplify-0.21.0.tar.gz", hash = "sha256:c95ff1dcc1de5949af47e0087cbf1164445881131b15bcd7a71252670f492f4d"},
 ]
 
 [package.dependencies]
@@ -1140,4 +1140,4 @@ files = [
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.8"
-content-hash = "42e283ae63f6e0233165a278cfe202d2845bf1fd44ec6269894f9a6776b61fe5"
+content-hash = "dde8b37a4c1bf8fa7ef37ab5f02f08337b7eded274d41593e0e12b8f2b7319cb"
diff --git a/pyproject.toml b/pyproject.toml
index e76ca18c..81284783 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -37,7 +37,7 @@ flake8 = "^5.0.4"
 flake8-bugbear = "^23.3.12"
 flake8-comprehensions = "^3.14.0"
 flake8-docstrings = "^1.7.0"
-flake8-simplify = "^0.20.0"
+flake8-simplify = "^0.21.0"
 flake8-use-fstring = "^1.4"
 flake8-use-pathlib = "^0.3.0"
 isort = "^5.12.0"