diff --git a/poetry.lock b/poetry.lock
index ce41e735448..67287ba1cb1 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -333,17 +333,6 @@ testfixtures = ">=6.8.0,<7"
 [package.extras]
 test = ["pytest (>=4.0.2,<6)", "toml"]
 
-[[package]]
-name = "flake8-polyfill"
-version = "1.0.2"
-description = "Polyfill package for Flake8 plugins"
-category = "dev"
-optional = false
-python-versions = "*"
-
-[package.dependencies]
-flake8 = "*"
-
 [[package]]
 name = "flake8-variables-names"
 version = "0.0.4"
@@ -856,7 +845,7 @@ pyyaml = "*"
 
 [[package]]
 name = "radon"
-version = "4.5.2"
+version = "5.1.0"
 description = "Code Metrics in Python"
 category = "dev"
 optional = false
@@ -864,7 +853,6 @@ python-versions = "*"
 
 [package.dependencies]
 colorama = {version = ">=0.4.1", markers = "python_version > \"3.4\""}
-flake8-polyfill = "*"
 future = "*"
 mando = ">=0.6,<0.7"
 
@@ -1059,7 +1047,7 @@ pydantic = ["pydantic", "email-validator"]
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.6.1"
-content-hash = "3716d65cd1018286bba842e20603d4793dcbb0119a4c6a9b5542166dfa3261d0"
+content-hash = "d689c0fca384782c305b50cacab5039f4cb26f6f0d662650abcea198b2b41a36"
 
 [metadata.files]
 appdirs = [
@@ -1218,10 +1206,6 @@ flake8-isort = [
     {file = "flake8-isort-4.0.0.tar.gz", hash = "sha256:2b91300f4f1926b396c2c90185844eb1a3d5ec39ea6138832d119da0a208f4d9"},
     {file = "flake8_isort-4.0.0-py2.py3-none-any.whl", hash = "sha256:729cd6ef9ba3659512dee337687c05d79c78e1215fdf921ed67e5fe46cce2f3c"},
 ]
-flake8-polyfill = [
-    {file = "flake8-polyfill-1.0.2.tar.gz", hash = "sha256:e44b087597f6da52ec6393a709e7108b2905317d0c0b744cdca6208e670d8eda"},
-    {file = "flake8_polyfill-1.0.2-py2.py3-none-any.whl", hash = "sha256:12be6a34ee3ab795b19ca73505e7b55826d5f6ad7230d31b18e106400169b9e9"},
-]
 flake8-variables-names = [
     {file = "flake8_variables_names-0.0.4.tar.gz", hash = "sha256:d6fa0571a807c72940b5773827c5760421ea6f8206595ff0a8ecfa01e42bf2cf"},
 ]
@@ -1511,8 +1495,8 @@ pyyaml-env-tag = [
     {file = "pyyaml_env_tag-0.1.tar.gz", hash = "sha256:70092675bda14fdec33b31ba77e7543de9ddc88f2e5b99160396572d11525bdb"},
 ]
 radon = [
-    {file = "radon-4.5.2-py2.py3-none-any.whl", hash = "sha256:0fc191bfb6938e67f881764f7242c163fb3c78fc7acdfc5a0b8254c66ff9dc8b"},
-    {file = "radon-4.5.2.tar.gz", hash = "sha256:63b863dd294fcc86f6aecace8d7cb4228acc2a16ab0b89c11ff60cb14182b488"},
+    {file = "radon-5.1.0-py2.py3-none-any.whl", hash = "sha256:fa74e018197f1fcb54578af0f675d8b8e2342bd8e0b72bef8197bc4c9e645f36"},
+    {file = "radon-5.1.0.tar.gz", hash = "sha256:cb1d8752e5f862fb9e20d82b5f758cbc4fb1237c92c9a66450ea0ea7bf29aeee"},
 ]
 regex = [
     {file = "regex-2021.4.4-cp36-cp36m-macosx_10_9_x86_64.whl", hash = "sha256:619d71c59a78b84d7f18891fe914446d07edd48dc8328c8e149cbe0929b4e000"},
diff --git a/pyproject.toml b/pyproject.toml
index 4c9c4738d89..02e7d665156 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -46,7 +46,7 @@ pytest-mock = "^3.5.1"
 pdoc3 = "^0.10.0"
 pytest-asyncio = "^0.15.1"
 bandit = "^1.7.0"
-radon = "^4.5.0"
+radon = "^5.1.0"
 xenon = "^0.8.0"
 flake8-eradicate = "^1.1.0"
 flake8-bugbear = "^21.3.2"