bump version
diff --git a/lib/ocaml/_oasis b/lib/ocaml/_oasis
index e37dba7..4014d81 100644
--- a/lib/ocaml/_oasis
+++ b/lib/ocaml/_oasis
@@ -1,5 +1,5 @@
 Name: libthrift-ocaml
-Version: 0.18.0
+Version: 0.18.1
 OASISFormat: 0.3
 Synopsis: OCaml bindings for the Apache Thrift RPC system
 Authors: Apache Thrift Developers <dev@thrift.apache.org>