diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 9ee655a..a338eda 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -10,7 +10,7 @@ repos:
     hooks:
     -   id: black
 -   repo: https://github.com/asottile/pyupgrade
-    rev: v2.37.2
+    rev: v2.37.3
     hooks:
       - id: pyupgrade
         args: [ --py38-plus ]
diff --git a/pyproject.toml b/pyproject.toml
index d4490ee..d2baa8e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -24,7 +24,7 @@ description-file = "README.rst"
 dev = [
     "black==22.1.0",
     "darglint>=1.5.1",
-    "flake8",
+    "flake8>=4,<5",
     "flake8-bandit",
     "flake8-black",
     "flake8-bugbear",