diff --git a/OCaml.gitignore b/OCaml.gitignore
index fea4c45..f7817ae 100644
--- a/OCaml.gitignore
+++ b/OCaml.gitignore
@@ -1,9 +1,20 @@
 *.annot
 *.cmo
 *.cma
 *.cmi
 *.a
 *.o
 *.cmx
 *.cmxs
 *.cmxa
+
+# ocamlbuild working directory
+_build/
+
+# ocamlbuild targets
+*.byte
+*.native
+
+# oasis generated files
+setup.data
+setup.log