diff --git a/.ocamlformat-ignore b/.ocamlformat-ignore
new file mode 100644
index 00000000..94a26a6e
--- /dev/null
+++ b/.ocamlformat-ignore
@@ -0,0 +1,6 @@
+src/*_pb.ml
+src/*_pb.mli
+src/*_types.ml
+src/*_types.mli
+src/*_pp.ml
+src/*_pp.mli