diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
new file mode 100644
index 0000000..ba84bb6
--- /dev/null
+++ b/.pre-commit-config.yaml
@@ -0,0 +1,4 @@
+- repo: https://github.com/arenadotio/pre-commit-ocamlformat
+  rev: main
+  hooks:
+    - id: ocamlformat
\ No newline at end of file