diff --git a/FreeRTOS_ARP.c b/FreeRTOS_ARP.c
index 15ae0aa34..7e7f50492 100644
--- a/FreeRTOS_ARP.c
+++ b/FreeRTOS_ARP.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS+TCP V2.2.1
+ * FreeRTOS+TCP V2.2.2
  * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/FreeRTOS_DHCP.c b/FreeRTOS_DHCP.c
index 29136ac23..c12557e7a 100644
--- a/FreeRTOS_DHCP.c
+++ b/FreeRTOS_DHCP.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS+TCP V2.2.1
+ * FreeRTOS+TCP V2.2.2
  * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/FreeRTOS_DNS.c b/FreeRTOS_DNS.c
index 5065f903d..c4d704010 100644
--- a/FreeRTOS_DNS.c
+++ b/FreeRTOS_DNS.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS+TCP V2.2.1
+ * FreeRTOS+TCP V2.2.2
  * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/FreeRTOS_IP.c b/FreeRTOS_IP.c
index 9353a7f30..0b89fdea6 100644
--- a/FreeRTOS_IP.c
+++ b/FreeRTOS_IP.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS+TCP V2.2.1
+ * FreeRTOS+TCP V2.2.2
  * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/FreeRTOS_Sockets.c b/FreeRTOS_Sockets.c
index 58bc814e4..9a85bb3be 100644
--- a/FreeRTOS_Sockets.c
+++ b/FreeRTOS_Sockets.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS+TCP V2.2.1
+ * FreeRTOS+TCP V2.2.2
  * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/FreeRTOS_Stream_Buffer.c b/FreeRTOS_Stream_Buffer.c
index 5501da30a..97931a0d7 100644
--- a/FreeRTOS_Stream_Buffer.c
+++ b/FreeRTOS_Stream_Buffer.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS+TCP V2.2.1
+ * FreeRTOS+TCP V2.2.2
  * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/FreeRTOS_TCP_IP.c b/FreeRTOS_TCP_IP.c
index a4af98080..4de4170be 100644
--- a/FreeRTOS_TCP_IP.c
+++ b/FreeRTOS_TCP_IP.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS+TCP V2.2.1
+ * FreeRTOS+TCP V2.2.2
  * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/FreeRTOS_TCP_WIN.c b/FreeRTOS_TCP_WIN.c
index 7c2f31370..8ec488ab4 100644
--- a/FreeRTOS_TCP_WIN.c
+++ b/FreeRTOS_TCP_WIN.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS+TCP V2.2.1
+ * FreeRTOS+TCP V2.2.2
  * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/FreeRTOS_UDP_IP.c b/FreeRTOS_UDP_IP.c
index 752af12ab..62e6baf7c 100644
--- a/FreeRTOS_UDP_IP.c
+++ b/FreeRTOS_UDP_IP.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS+TCP V2.2.1
+ * FreeRTOS+TCP V2.2.2
  * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/History.txt b/History.txt
index d772c36e9..f79e1213b 100644
--- a/History.txt
+++ b/History.txt
@@ -1,5 +1,7 @@
-Changes between V2.0.0 and V2.2.1 releases:
+Changes between V2.2.1 and V2.2.2 releases:
 	+ Updated the source code to adhere to stricter MISRA compliance.
+
+Changes between V2.0.0 and V2.2.1 releases:
 	+ Improved security by giving users the option to reject UDP packets with a
 	  checksum of zero even though the UDP spec allows it.
 	+ Improved robustness by checking packet lengths in software even if the check
diff --git a/include/FreeRTOSIPConfigDefaults.h b/include/FreeRTOSIPConfigDefaults.h
index 7194df3ee..a49f25a4c 100644
--- a/include/FreeRTOSIPConfigDefaults.h
+++ b/include/FreeRTOSIPConfigDefaults.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS+TCP V2.2.1
+ * FreeRTOS+TCP V2.2.2
  * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/include/FreeRTOS_ARP.h b/include/FreeRTOS_ARP.h
index 3615b68b5..6d9a2824f 100644
--- a/include/FreeRTOS_ARP.h
+++ b/include/FreeRTOS_ARP.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS+TCP V2.2.1
+ * FreeRTOS+TCP V2.2.2
  * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/include/FreeRTOS_DHCP.h b/include/FreeRTOS_DHCP.h
index d70327d56..40d05109a 100644
--- a/include/FreeRTOS_DHCP.h
+++ b/include/FreeRTOS_DHCP.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS+TCP V2.2.1
+ * FreeRTOS+TCP V2.2.2
  * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/include/FreeRTOS_DNS.h b/include/FreeRTOS_DNS.h
index 0168d3477..9affdce4e 100644
--- a/include/FreeRTOS_DNS.h
+++ b/include/FreeRTOS_DNS.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS+TCP V2.2.1
+ * FreeRTOS+TCP V2.2.2
  * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/include/FreeRTOS_IP.h b/include/FreeRTOS_IP.h
index 1604f63c8..b0cbf25d9 100644
--- a/include/FreeRTOS_IP.h
+++ b/include/FreeRTOS_IP.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS+TCP V2.2.1
+ * FreeRTOS+TCP V2.2.2
  * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/include/FreeRTOS_IP_Private.h b/include/FreeRTOS_IP_Private.h
index 33b0d7c22..c2f8c4c2c 100644
--- a/include/FreeRTOS_IP_Private.h
+++ b/include/FreeRTOS_IP_Private.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS+TCP V2.2.1
+ * FreeRTOS+TCP V2.2.2
  * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/include/FreeRTOS_Sockets.h b/include/FreeRTOS_Sockets.h
index 5ad2555b5..c9580fed1 100644
--- a/include/FreeRTOS_Sockets.h
+++ b/include/FreeRTOS_Sockets.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS+TCP V2.2.1
+ * FreeRTOS+TCP V2.2.2
  * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/include/FreeRTOS_Stream_Buffer.h b/include/FreeRTOS_Stream_Buffer.h
index b56ecdbeb..317c96f54 100644
--- a/include/FreeRTOS_Stream_Buffer.h
+++ b/include/FreeRTOS_Stream_Buffer.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS+TCP V2.2.1
+ * FreeRTOS+TCP V2.2.2
  * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/include/FreeRTOS_TCP_IP.h b/include/FreeRTOS_TCP_IP.h
index 5e64e9743..06a401453 100644
--- a/include/FreeRTOS_TCP_IP.h
+++ b/include/FreeRTOS_TCP_IP.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS+TCP V2.2.1
+ * FreeRTOS+TCP V2.2.2
  * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/include/FreeRTOS_TCP_WIN.h b/include/FreeRTOS_TCP_WIN.h
index 9368e0801..cd455162c 100644
--- a/include/FreeRTOS_TCP_WIN.h
+++ b/include/FreeRTOS_TCP_WIN.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS+TCP V2.2.1
+ * FreeRTOS+TCP V2.2.2
  * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/include/FreeRTOS_UDP_IP.h b/include/FreeRTOS_UDP_IP.h
index 0da86a7df..898e84e7c 100644
--- a/include/FreeRTOS_UDP_IP.h
+++ b/include/FreeRTOS_UDP_IP.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS+TCP V2.2.1
+ * FreeRTOS+TCP V2.2.2
  * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/include/FreeRTOS_errno_TCP.h b/include/FreeRTOS_errno_TCP.h
index 9105b0f81..07c310daa 100644
--- a/include/FreeRTOS_errno_TCP.h
+++ b/include/FreeRTOS_errno_TCP.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS+TCP V2.2.1
+ * FreeRTOS+TCP V2.2.2
  * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/include/IPTraceMacroDefaults.h b/include/IPTraceMacroDefaults.h
index fc100c9fd..e255233b6 100644
--- a/include/IPTraceMacroDefaults.h
+++ b/include/IPTraceMacroDefaults.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS+TCP V2.2.1
+ * FreeRTOS+TCP V2.2.2
  * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/include/NetworkBufferManagement.h b/include/NetworkBufferManagement.h
index 7d8d574a6..a5a2e621f 100644
--- a/include/NetworkBufferManagement.h
+++ b/include/NetworkBufferManagement.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS+TCP V2.2.1
+ * FreeRTOS+TCP V2.2.2
  * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/include/NetworkInterface.h b/include/NetworkInterface.h
index 51e9a2942..9f910dc5d 100644
--- a/include/NetworkInterface.h
+++ b/include/NetworkInterface.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS+TCP V2.2.1
+ * FreeRTOS+TCP V2.2.2
  * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/include/tcp_dump_packets.h b/include/tcp_dump_packets.h
index 7dd369023..8dc641a77 100644
--- a/include/tcp_dump_packets.h
+++ b/include/tcp_dump_packets.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS+TCP V2.2.1
+ * FreeRTOS+TCP V2.2.2
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/include/tcp_mem_stats.h b/include/tcp_mem_stats.h
index d07956f4a..fea8e4375 100644
--- a/include/tcp_mem_stats.h
+++ b/include/tcp_mem_stats.h
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS+TCP V2.2.1
+ * FreeRTOS+TCP V2.2.2
  * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/BufferManagement/BufferAllocation_1.c b/portable/BufferManagement/BufferAllocation_1.c
index 4da626c95..a7d6b7310 100644
--- a/portable/BufferManagement/BufferAllocation_1.c
+++ b/portable/BufferManagement/BufferAllocation_1.c
@@ -1,5 +1,5 @@
 /*
-FreeRTOS+TCP V2.2.1
+FreeRTOS+TCP V2.2.2
 Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/BufferManagement/BufferAllocation_2.c b/portable/BufferManagement/BufferAllocation_2.c
index 896ca731e..8d5ce8a6a 100644
--- a/portable/BufferManagement/BufferAllocation_2.c
+++ b/portable/BufferManagement/BufferAllocation_2.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS+TCP V2.2.1
+ * FreeRTOS+TCP V2.2.2
  * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/Compiler/CompilerName/pack_struct_end.h b/portable/Compiler/CompilerName/pack_struct_end.h
index 5128b7a43..2312db49c 100644
--- a/portable/Compiler/CompilerName/pack_struct_end.h
+++ b/portable/Compiler/CompilerName/pack_struct_end.h
@@ -1,5 +1,5 @@
 /*
-FreeRTOS+TCP V2.2.1
+FreeRTOS+TCP V2.2.2
 Copyright (C) 2018 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/Compiler/CompilerName/pack_struct_start.h b/portable/Compiler/CompilerName/pack_struct_start.h
index dedf3d245..6e875dfaa 100644
--- a/portable/Compiler/CompilerName/pack_struct_start.h
+++ b/portable/Compiler/CompilerName/pack_struct_start.h
@@ -1,5 +1,5 @@
 /*
-FreeRTOS+TCP V2.2.1
+FreeRTOS+TCP V2.2.2
 Copyright (C) 2018 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/Compiler/GCC/pack_struct_end.h b/portable/Compiler/GCC/pack_struct_end.h
index fa9dacae7..9d2f72eaf 100644
--- a/portable/Compiler/GCC/pack_struct_end.h
+++ b/portable/Compiler/GCC/pack_struct_end.h
@@ -1,5 +1,5 @@
 /*
-FreeRTOS+TCP V2.2.1
+FreeRTOS+TCP V2.2.2
 Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/Compiler/GCC/pack_struct_start.h b/portable/Compiler/GCC/pack_struct_start.h
index c928843bd..c244d0f7b 100644
--- a/portable/Compiler/GCC/pack_struct_start.h
+++ b/portable/Compiler/GCC/pack_struct_start.h
@@ -1,5 +1,5 @@
 /*
-FreeRTOS+TCP V2.2.1
+FreeRTOS+TCP V2.2.2
 Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/Compiler/IAR/pack_struct_end.h b/portable/Compiler/IAR/pack_struct_end.h
index 0ce830b0a..3e521c873 100644
--- a/portable/Compiler/IAR/pack_struct_end.h
+++ b/portable/Compiler/IAR/pack_struct_end.h
@@ -1,5 +1,5 @@
 /*
-FreeRTOS+TCP V2.2.1
+FreeRTOS+TCP V2.2.2
 Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/Compiler/IAR/pack_struct_start.h b/portable/Compiler/IAR/pack_struct_start.h
index a2f7067bd..574dd013a 100644
--- a/portable/Compiler/IAR/pack_struct_start.h
+++ b/portable/Compiler/IAR/pack_struct_start.h
@@ -1,5 +1,5 @@
 /*
-FreeRTOS+TCP V2.2.1
+FreeRTOS+TCP V2.2.2
 Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/Compiler/Keil/pack_struct_end.h b/portable/Compiler/Keil/pack_struct_end.h
index 4038d6d6c..cebc68a4e 100644
--- a/portable/Compiler/Keil/pack_struct_end.h
+++ b/portable/Compiler/Keil/pack_struct_end.h
@@ -1,5 +1,5 @@
 /*
-FreeRTOS+TCP V2.2.1
+FreeRTOS+TCP V2.2.2
 Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/Compiler/Keil/pack_struct_start.h b/portable/Compiler/Keil/pack_struct_start.h
index 58b94dc25..923edb82a 100644
--- a/portable/Compiler/Keil/pack_struct_start.h
+++ b/portable/Compiler/Keil/pack_struct_start.h
@@ -1,5 +1,5 @@
 /*
-FreeRTOS+TCP V2.2.1
+FreeRTOS+TCP V2.2.2
 Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/Compiler/MSVC/pack_struct_end.h b/portable/Compiler/MSVC/pack_struct_end.h
index 9ff11b17f..5a505c17c 100644
--- a/portable/Compiler/MSVC/pack_struct_end.h
+++ b/portable/Compiler/MSVC/pack_struct_end.h
@@ -1,5 +1,5 @@
 /*
-FreeRTOS+TCP V2.2.1
+FreeRTOS+TCP V2.2.2
 Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/Compiler/MSVC/pack_struct_start.h b/portable/Compiler/MSVC/pack_struct_start.h
index f20565e0c..0c82e4bfd 100644
--- a/portable/Compiler/MSVC/pack_struct_start.h
+++ b/portable/Compiler/MSVC/pack_struct_start.h
@@ -1,5 +1,5 @@
 /*
-FreeRTOS+TCP V2.2.1
+FreeRTOS+TCP V2.2.2
 Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/Compiler/Renesas/pack_struct_end.h b/portable/Compiler/Renesas/pack_struct_end.h
index eab452ba0..ecbb3e81c 100644
--- a/portable/Compiler/Renesas/pack_struct_end.h
+++ b/portable/Compiler/Renesas/pack_struct_end.h
@@ -1,5 +1,5 @@
 /*
-FreeRTOS+TCP V2.2.1
+FreeRTOS+TCP V2.2.2
 Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/Compiler/Renesas/pack_struct_start.h b/portable/Compiler/Renesas/pack_struct_start.h
index 1044e53d1..efe54ae91 100644
--- a/portable/Compiler/Renesas/pack_struct_start.h
+++ b/portable/Compiler/Renesas/pack_struct_start.h
@@ -1,5 +1,5 @@
 /*
-FreeRTOS+TCP V2.2.1
+FreeRTOS+TCP V2.2.2
 Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/NetworkInterface/ATSAM4E/NetworkInterface.c b/portable/NetworkInterface/ATSAM4E/NetworkInterface.c
index dc70ed993..987d11a08 100644
--- a/portable/NetworkInterface/ATSAM4E/NetworkInterface.c
+++ b/portable/NetworkInterface/ATSAM4E/NetworkInterface.c
@@ -1,5 +1,5 @@
 /*
-FreeRTOS+TCP V2.2.1
+FreeRTOS+TCP V2.2.2
 Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/NetworkInterface/DriverSAM/NetworkInterface.c b/portable/NetworkInterface/DriverSAM/NetworkInterface.c
index 543cc1d62..6157acb93 100644
--- a/portable/NetworkInterface/DriverSAM/NetworkInterface.c
+++ b/portable/NetworkInterface/DriverSAM/NetworkInterface.c
@@ -1,5 +1,5 @@
 /*
-FreeRTOS+TCP V2.2.1
+FreeRTOS+TCP V2.2.2
 Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/NetworkInterface/LPC17xx/NetworkInterface.c b/portable/NetworkInterface/LPC17xx/NetworkInterface.c
index 8bd539614..b2bd88e9f 100644
--- a/portable/NetworkInterface/LPC17xx/NetworkInterface.c
+++ b/portable/NetworkInterface/LPC17xx/NetworkInterface.c
@@ -1,5 +1,5 @@
 /*
-FreeRTOS+TCP V2.2.1
+FreeRTOS+TCP V2.2.2
 Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/NetworkInterface/LPC18xx/NetworkInterface.c b/portable/NetworkInterface/LPC18xx/NetworkInterface.c
index e01602b9d..35daa493e 100644
--- a/portable/NetworkInterface/LPC18xx/NetworkInterface.c
+++ b/portable/NetworkInterface/LPC18xx/NetworkInterface.c
@@ -1,5 +1,5 @@
 /*
-FreeRTOS+TCP V2.2.1
+FreeRTOS+TCP V2.2.2
 Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/NetworkInterface/M487/NetworkInterface.c b/portable/NetworkInterface/M487/NetworkInterface.c
index 2149a7bdd..09a2aa2c0 100644
--- a/portable/NetworkInterface/M487/NetworkInterface.c
+++ b/portable/NetworkInterface/M487/NetworkInterface.c
@@ -1,5 +1,5 @@
 /*
-FreeRTOS+TCP V2.2.1
+FreeRTOS+TCP V2.2.2
 Copyright (C) 2018 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/NetworkInterface/SH2A/NetworkInterface.c b/portable/NetworkInterface/SH2A/NetworkInterface.c
index 92b1573f7..4a5a850c8 100644
--- a/portable/NetworkInterface/SH2A/NetworkInterface.c
+++ b/portable/NetworkInterface/SH2A/NetworkInterface.c
@@ -1,5 +1,5 @@
 /*
-FreeRTOS+TCP V2.2.1
+FreeRTOS+TCP V2.2.2
 Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/NetworkInterface/STM32Fxx/NetworkInterface.c b/portable/NetworkInterface/STM32Fxx/NetworkInterface.c
index aa3a1f58e..21fb3cdab 100644
--- a/portable/NetworkInterface/STM32Fxx/NetworkInterface.c
+++ b/portable/NetworkInterface/STM32Fxx/NetworkInterface.c
@@ -4,7 +4,7 @@
  */
 
 /*
-FreeRTOS+TCP V2.2.1
+FreeRTOS+TCP V2.2.2
 Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/NetworkInterface/WinPCap/NetworkInterface.c b/portable/NetworkInterface/WinPCap/NetworkInterface.c
index 511b27859..66b9f1cb9 100644
--- a/portable/NetworkInterface/WinPCap/NetworkInterface.c
+++ b/portable/NetworkInterface/WinPCap/NetworkInterface.c
@@ -1,5 +1,5 @@
 /*
-FreeRTOS+TCP V2.2.1
+FreeRTOS+TCP V2.2.2
 Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/NetworkInterface/board_family/NetworkInterface.c b/portable/NetworkInterface/board_family/NetworkInterface.c
index 251640d7e..4564ad95f 100644
--- a/portable/NetworkInterface/board_family/NetworkInterface.c
+++ b/portable/NetworkInterface/board_family/NetworkInterface.c
@@ -1,5 +1,5 @@
 /*
-FreeRTOS+TCP V2.2.1
+FreeRTOS+TCP V2.2.2
 Copyright (C) 2018 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/NetworkInterface/ksz8851snl/NetworkInterface.c b/portable/NetworkInterface/ksz8851snl/NetworkInterface.c
index 4df3ac370..1b6f3aac7 100644
--- a/portable/NetworkInterface/ksz8851snl/NetworkInterface.c
+++ b/portable/NetworkInterface/ksz8851snl/NetworkInterface.c
@@ -1,5 +1,5 @@
 /*
-FreeRTOS+TCP V2.2.1
+FreeRTOS+TCP V2.2.2
 Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/portable/NetworkInterface/mw300_rd/NetworkInterface.c b/portable/NetworkInterface/mw300_rd/NetworkInterface.c
index f6d152a8c..fdb093352 100644
--- a/portable/NetworkInterface/mw300_rd/NetworkInterface.c
+++ b/portable/NetworkInterface/mw300_rd/NetworkInterface.c
@@ -1,5 +1,5 @@
 /*
-FreeRTOS+TCP V2.2.1
+FreeRTOS+TCP V2.2.2
 Copyright (C) 2018 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/tools/tcp_dump_packets.c b/tools/tcp_dump_packets.c
index 8ac6cdb1f..876e6c997 100644
--- a/tools/tcp_dump_packets.c
+++ b/tools/tcp_dump_packets.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS+TCP V2.2.1
+ * FreeRTOS+TCP V2.2.2
  * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of
diff --git a/tools/tcp_mem_stats.c b/tools/tcp_mem_stats.c
index d4929b3fa..d387294c7 100644
--- a/tools/tcp_mem_stats.c
+++ b/tools/tcp_mem_stats.c
@@ -1,5 +1,5 @@
 /*
- * FreeRTOS+TCP V2.2.1
+ * FreeRTOS+TCP V2.2.2
  * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy of