diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 8c9f2f12..58b54f9e 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -6,17 +6,18 @@ repos:
         name: Run isort to sort imports in Python files
 
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v4.4.0
+    rev: v4.5.0
     hooks:
       - id: check-yaml
       - id: check-toml
       - id: end-of-file-fixer
       - id: mixed-line-ending
       - id: trailing-whitespace
-        args: [ --markdown-linebreak-ext=md ]
+        args:
+          - --markdown-linebreak-ext=md
 
   - repo: https://github.com/psf/black
-    rev: 23.1.0
+    rev: 23.10.1
     hooks:
       - id: black
         name: Run black (python formatter)
diff --git a/pyproject.toml b/pyproject.toml
index 3df240f7..41876e6c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,7 +10,7 @@ repository = "https://github.com/mingrammer/diagrams"
 include = ["resources/**/*"]
 
 [tool.poetry.dependencies]
-python = "^3.7"
+python = "^3.9"
 graphviz = ">=0.13.2,<0.21.0"
 jinja2 = ">=2.10,<4.0"
 typed-ast = "^1.5.4"