initial OF 1.4 support
diff --git a/openflow_input/oxm-1.2 b/openflow_input/oxm-1.2
index 5006cff..dd596bd 100644
--- a/openflow_input/oxm-1.2
+++ b/openflow_input/oxm-1.2
@@ -31,6 +31,7 @@
 
 #version 3
 #version 4
+#version 5
 
 struct of_oxm {
     uint32_t type_len == ?;