diff --git a/.github/workflows/main.yaml b/.github/workflows/main.yaml
index 3d9fcb6..d106891 100644
--- a/.github/workflows/main.yaml
+++ b/.github/workflows/main.yaml
@@ -25,9 +25,9 @@ jobs:
     name: tests
     runs-on: ${{ matrix.os }}-latest
     steps:
-      - uses: actions/checkout@v3.5.3
+      - uses: actions/checkout@v3.6.0
 
-      - uses: actions/setup-python@v4.6.1
+      - uses: actions/setup-python@v4.7.0
         with:
           python-version: ${{ matrix.python-version }}
 
@@ -42,9 +42,9 @@ jobs:
     name: pre-commit
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3.5.3
+      - uses: actions/checkout@v3.6.0
 
-      - uses: actions/setup-python@v4.6.1
+      - uses: actions/setup-python@v4.7.0
         with:
           python-version: 3.x
 
@@ -66,9 +66,9 @@ jobs:
     name: fuzz
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3.5.3
+      - uses: actions/checkout@v3.6.0
 
-      - uses: actions/setup-python@v4.6.1
+      - uses: actions/setup-python@v4.7.0
         with:
           python-version: 3.x
 
diff --git a/.github/workflows/upload-to-pypi.yml b/.github/workflows/upload-to-pypi.yml
index 1c95bcd..02db64c 100644
--- a/.github/workflows/upload-to-pypi.yml
+++ b/.github/workflows/upload-to-pypi.yml
@@ -10,9 +10,9 @@ jobs:
   release:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3.5.3
+      - uses: actions/checkout@v3.6.0
 
-      - uses: actions/setup-python@v4.6.1
+      - uses: actions/setup-python@v4.7.0
         with:
           python-version: 3.x
 
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 2b88146..41ccc12 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -21,35 +21,35 @@ repos:
           - from __future__ import annotations
 
   - repo: https://github.com/charliermarsh/ruff-pre-commit
-    rev: v0.0.275
+    rev: v0.0.286
     hooks:
       - id: ruff
 
   - repo: https://github.com/asottile/pyupgrade
-    rev: v3.7.0
+    rev: v3.10.1
     hooks:
       - id: pyupgrade
         args:
           - --py38-plus
 
   - repo: https://github.com/asottile/add-trailing-comma
-    rev: v2.5.1
+    rev: v3.1.0
     hooks:
       - id: add-trailing-comma
         args:
           - --py36-plus
 
   - repo: https://github.com/psf/black
-    rev: "23.3.0"
+    rev: "23.7.0"
     hooks:
       - id: black
 
   - repo: https://github.com/abravalheri/validate-pyproject
-    rev: v0.13
+    rev: v0.14
     hooks:
       - id: validate-pyproject
 
   - repo: https://github.com/fsouza/mirrors-pyright
-    rev: v1.1.315
+    rev: v1.1.325
     hooks:
       - id: pyright
diff --git a/README.md b/README.md
index 92dbf2a..eaa53b2 100644
--- a/README.md
+++ b/README.md
@@ -201,7 +201,7 @@ Add the following to your `.pre-commit-config.yaml`
 
 ```yaml
 -   repo: https://github.com/PyCQA/autoflake
-    rev: v2.2.0
+    rev: v2.2.1
     hooks:
     -   id: autoflake
 ```
diff --git a/autoflake.py b/autoflake.py
index 67815b0..6bd31e9 100755
--- a/autoflake.py
+++ b/autoflake.py
@@ -50,7 +50,7 @@
 import pyflakes.reporter
 
 
-__version__ = "2.2.0"
+__version__ = "2.2.1"
 
 
 _LOGGER = logging.getLogger("autoflake")
@@ -1574,7 +1574,7 @@ def _main(
     return exit_status
 
 
-def main():
+def main() -> int:
     """Command-line entry point."""
     try:
         # Exit on broken pipe.
diff --git a/py.typed b/py.typed
deleted file mode 100644
index e69de29..0000000
diff --git a/pyproject.toml b/pyproject.toml
index 52b36a8..2dee3f7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -37,7 +37,6 @@ exclude = ["/.github"]
 include = [
   "/autoflake.py",
   "/test_autoflake.py",
-  "/py.typed",
   "/LICENSE",
   "/README.md",
 ]
diff --git a/test_autoflake.py b/test_autoflake.py
index 507f69c..9acdbb3 100755
--- a/test_autoflake.py
+++ b/test_autoflake.py
@@ -3186,19 +3186,7 @@ def effective_path(self, path: str, is_file: bool = True) -> str:
 
     def create_dir(self, path) -> None:
         effective_path = self.effective_path(path, False)
-        if sys.version_info >= (3, 2, 0):
-            os.makedirs(effective_path, exist_ok=True)
-        else:
-            if os.path.exists(effective_path):
-                return
-            try:
-                os.mkdir(effective_path)
-            except OSError:
-                parent = os.path.split(path)[0]
-                if not parent:
-                    raise
-                self.create_dir(parent)
-                os.mkdir(effective_path)
+        os.makedirs(effective_path, exist_ok=True)
 
     def create_file(self, path, contents="") -> None:
         effective_path = self.effective_path(path)