diff --git a/arpwatch-ethercodes.spec b/arpwatch-ethercodes.spec
index f67d356..4613fb9 100644
--- a/arpwatch-ethercodes.spec
+++ b/arpwatch-ethercodes.spec
@@ -25,7 +25,7 @@ License:        BSD3c
 Group:          Productivity/Networking/Diagnostic
 AutoReqProv:    on
 Summary:        Ethercodes Data for arpwatch
-Version:        2011.4.28
+Version:        2011.5.5
 Release:        1
 Source:         http://standards.ieee.org/regauth/oui/oui.txt.bz2
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
diff --git a/oui.txt.bz2 b/oui.txt.bz2
index 4111c13..1ebcbef 100644
--- a/oui.txt.bz2
+++ b/oui.txt.bz2
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:a15bd89ec60203c7bac75566a6b26a0ab0b3fca0d5c7f0b93218c95671bf108d
-size 516176
+oid sha256:a2f2b4f14e687146532b73b8bff32fc138a5cdf58dc2c745ed146cba89890871
+size 518039