diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 541717a..8a87b3d 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -22,12 +22,12 @@ repos:
         args:
           - --markdown-linebreak-ext=md
   - repo: https://github.com/timothycrosley/isort
-    rev: 5.9.2
+    rev: 5.9.3
     hooks:
       - id: isort
         types: [python]
   - repo: https://github.com/psf/black
-    rev: 21.6b0
+    rev: 21.7b0
     hooks:
     - id: black
       types: [python]
diff --git a/pyproject.toml b/pyproject.toml
index 9428b6c..a885e39 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -14,3 +14,9 @@ pre-commit = "^2.13.0"
 [build-system]
 requires = ["poetry-core>=1.0.0"]
 build-backend = "poetry.core.masonry.api"
+
+[tool.black]
+target-version = ['py39']
+
+[tool.isort]
+profile = "black"