diff --git a/OCaml.gitignore b/OCaml.gitignore
index fea4c452..f7817ae5 100644
--- a/OCaml.gitignore
+++ b/OCaml.gitignore
@@ -7,3 +7,14 @@
 *.cmx
 *.cmxs
 *.cmxa
+
+# ocamlbuild working directory
+_build/
+
+# ocamlbuild targets
+*.byte
+*.native
+
+# oasis generated files
+setup.data
+setup.log