diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index b268b628..2ccebb79 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,6 +1,7 @@
 repos:
--   repo: https://github.com/ambv/black
+  - repo: https://github.com/psf/black
     rev: stable
     hooks:
-    - id: black
-      language_version: python3.7
+      - id: black
+        language_version: python3.7
+        exclude: ^src/ocrmypdf/lib/_leptonica.py
diff --git a/pyproject.toml b/pyproject.toml
index 4d61be1a..a28f55c0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -28,5 +28,6 @@ exclude = '''
   | docs
   | misc
   | \.egg-info
+  | src/ocrmypdf/lib/_leptonica.py
 )/
 '''