diff --git a/src/pgm_receiver.cpp b/src/pgm_receiver.cpp
index 9036ec99..8118b53f 100644
--- a/src/pgm_receiver.cpp
+++ b/src/pgm_receiver.cpp
@@ -1,6 +1,7 @@
 /*
     Copyright (c) 2009-2011 250bpm s.r.o.
     Copyright (c) 2007-2011 iMatix Corporation
+    Copyright (c) 2009-2011 Miru Limited
     Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
diff --git a/src/pgm_receiver.hpp b/src/pgm_receiver.hpp
index 98558c63..4c58896c 100644
--- a/src/pgm_receiver.hpp
+++ b/src/pgm_receiver.hpp
@@ -1,6 +1,7 @@
 /*
     Copyright (c) 2009-2011 250bpm s.r.o.
     Copyright (c) 2007-2011 iMatix Corporation
+    Copyright (c) 2009-2011 Miru Limited
     Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
diff --git a/src/pgm_sender.cpp b/src/pgm_sender.cpp
index 080f7ef6..cbb6b759 100644
--- a/src/pgm_sender.cpp
+++ b/src/pgm_sender.cpp
@@ -1,6 +1,7 @@
 /*
     Copyright (c) 2009-2011 250bpm s.r.o.
     Copyright (c) 2007-2011 iMatix Corporation
+    Copyright (c) 2009-2011 Miru Limited
     Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
diff --git a/src/pgm_sender.hpp b/src/pgm_sender.hpp
index be8a469b..1c0c368b 100644
--- a/src/pgm_sender.hpp
+++ b/src/pgm_sender.hpp
@@ -1,6 +1,7 @@
 /*
     Copyright (c) 2009-2011 250bpm s.r.o.
     Copyright (c) 2007-2011 iMatix Corporation
+    Copyright (c) 2009-2011 Miru Limited
     Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
diff --git a/src/pgm_socket.cpp b/src/pgm_socket.cpp
index 0aeea364..8e469de7 100644
--- a/src/pgm_socket.cpp
+++ b/src/pgm_socket.cpp
@@ -1,6 +1,7 @@
 /*
     Copyright (c) 2009-2011 250bpm s.r.o.
     Copyright (c) 2007-2011 iMatix Corporation
+    Copyright (c) 2009-2011 Miru Limited
     Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
diff --git a/src/pgm_socket.hpp b/src/pgm_socket.hpp
index 362f65e0..dcf6de87 100644
--- a/src/pgm_socket.hpp
+++ b/src/pgm_socket.hpp
@@ -1,6 +1,7 @@
 /*
     Copyright (c) 2009-2011 250bpm s.r.o.
     Copyright (c) 2007-2011 iMatix Corporation
+    Copyright (c) 2009-2011 Miru Limited
     Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.