diff --git a/CHANGELOG.md b/CHANGELOG.md
index cacc75a2..6496c1d4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Changelog for coreMQTT Client Library
 
+## v1.1.1 (February 2021)
+
+### Changes
+ - [#142](https://github.com/FreeRTOS/coreMQTT/pull/142), [#143](https://github.com/FreeRTOS/coreMQTT/pull/143), and [#150](https://github.com/FreeRTOS/coreMQTT/pull/150) Documentation fixes.
+
 ## v1.1.0 (December 2020)
 
 ### Updates
diff --git a/docs/doxygen/config.doxyfile b/docs/doxygen/config.doxyfile
index a43b32c0..66fc6c61 100644
--- a/docs/doxygen/config.doxyfile
+++ b/docs/doxygen/config.doxyfile
@@ -38,7 +38,7 @@ PROJECT_NAME           = "coreMQTT"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = "v1.1.0"
+PROJECT_NUMBER         = "v1.1.1"
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a
diff --git a/manifest.yml b/manifest.yml
index 17d673dd..d827f698 100644
--- a/manifest.yml
+++ b/manifest.yml
@@ -1,5 +1,5 @@
 name : "coreMQTT"
-version: "v1.1.0"
+version: "v1.1.1"
 description: |
   "Client implementation of the MQTT 3.1.1 specification for embedded devices.\n"
 license: "MIT"
diff --git a/source/core_mqtt.c b/source/core_mqtt.c
index 897ece33..f1161dc9 100644
--- a/source/core_mqtt.c
+++ b/source/core_mqtt.c
@@ -1,5 +1,5 @@
 /*
- * coreMQTT v1.1.0
+ * coreMQTT v1.1.1
  * 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/source/core_mqtt_serializer.c b/source/core_mqtt_serializer.c
index 9bd870e8..66b74dd0 100644
--- a/source/core_mqtt_serializer.c
+++ b/source/core_mqtt_serializer.c
@@ -1,5 +1,5 @@
 /*
- * coreMQTT v1.1.0
+ * coreMQTT v1.1.1
  * 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/source/core_mqtt_state.c b/source/core_mqtt_state.c
index 19af5a7b..cc6b3434 100644
--- a/source/core_mqtt_state.c
+++ b/source/core_mqtt_state.c
@@ -1,5 +1,5 @@
 /*
- * coreMQTT v1.1.0
+ * coreMQTT v1.1.1
  * 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/source/include/core_mqtt.h b/source/include/core_mqtt.h
index 86bf9e05..bd97bbcd 100644
--- a/source/include/core_mqtt.h
+++ b/source/include/core_mqtt.h
@@ -1,5 +1,5 @@
 /*
- * coreMQTT v1.1.0
+ * coreMQTT v1.1.1
  * 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
@@ -49,7 +49,7 @@
  * @cond DOXYGEN_IGNORE
  * The current version of this library.
  */
-#define MQTT_LIBRARY_VERSION    "v1.1.0"
+#define MQTT_LIBRARY_VERSION    "v1.1.1"
 /** @endcond */
 
 /**
@@ -138,7 +138,7 @@ typedef enum MQTTPubAckType
  */
 typedef enum MQTTSubAckStatus
 {
-    MQTTSubAckSuccessQos0 = 0x00, /**< @brief Success with a maximum delivery at QoS 0 . */
+    MQTTSubAckSuccessQos0 = 0x00, /**< @brief Success with a maximum delivery at QoS 0. */
     MQTTSubAckSuccessQos1 = 0x01, /**< @brief Success with a maximum delivery at QoS 1. */
     MQTTSubAckSuccessQos2 = 0x02, /**< @brief Success with a maximum delivery at QoS 2. */
     MQTTSubAckFailure = 0x80      /**< @brief Failure. */
diff --git a/source/include/core_mqtt_config_defaults.h b/source/include/core_mqtt_config_defaults.h
index 6ec93d97..77896c59 100644
--- a/source/include/core_mqtt_config_defaults.h
+++ b/source/include/core_mqtt_config_defaults.h
@@ -1,5 +1,5 @@
 /*
- * coreMQTT v1.1.0
+ * coreMQTT v1.1.1
  * 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/source/include/core_mqtt_serializer.h b/source/include/core_mqtt_serializer.h
index cc38422e..cca17872 100644
--- a/source/include/core_mqtt_serializer.h
+++ b/source/include/core_mqtt_serializer.h
@@ -1,5 +1,5 @@
 /*
- * coreMQTT v1.1.0
+ * coreMQTT v1.1.1
  * 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/source/include/core_mqtt_state.h b/source/include/core_mqtt_state.h
index d2581e54..1bc7fde6 100644
--- a/source/include/core_mqtt_state.h
+++ b/source/include/core_mqtt_state.h
@@ -1,5 +1,5 @@
 /*
- * coreMQTT v1.1.0
+ * coreMQTT v1.1.1
  * 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/source/interface/transport_interface.h b/source/interface/transport_interface.h
index cc94691a..9b3b2386 100644
--- a/source/interface/transport_interface.h
+++ b/source/interface/transport_interface.h
@@ -1,5 +1,5 @@
 /*
- * coreMQTT v1.1.0
+ * coreMQTT v1.1.1
  * 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/test/cbmc/include/core_mqtt_config.h b/test/cbmc/include/core_mqtt_config.h
index 66fbb40b..dfe668f5 100644
--- a/test/cbmc/include/core_mqtt_config.h
+++ b/test/cbmc/include/core_mqtt_config.h
@@ -1,5 +1,5 @@
 /*
- * coreMQTT v1.1.0
+ * coreMQTT v1.1.1
  * 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/test/cbmc/include/event_callback_stub.h b/test/cbmc/include/event_callback_stub.h
index b793988a..7aa874ad 100644
--- a/test/cbmc/include/event_callback_stub.h
+++ b/test/cbmc/include/event_callback_stub.h
@@ -1,5 +1,5 @@
 /*
- * coreMQTT v1.1.0
+ * coreMQTT v1.1.1
  * 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/test/cbmc/include/get_time_stub.h b/test/cbmc/include/get_time_stub.h
index a99f212d..c1692bdb 100644
--- a/test/cbmc/include/get_time_stub.h
+++ b/test/cbmc/include/get_time_stub.h
@@ -1,5 +1,5 @@
 /*
- * coreMQTT v1.1.0
+ * coreMQTT v1.1.1
  * 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/test/cbmc/include/mqtt_cbmc_state.h b/test/cbmc/include/mqtt_cbmc_state.h
index bcfe95ae..c65fcc7c 100644
--- a/test/cbmc/include/mqtt_cbmc_state.h
+++ b/test/cbmc/include/mqtt_cbmc_state.h
@@ -1,5 +1,5 @@
 /*
- * coreMQTT v1.1.0
+ * coreMQTT v1.1.1
  * 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/test/cbmc/include/network_interface_stubs.h b/test/cbmc/include/network_interface_stubs.h
index 4d02c0ce..01776a28 100644
--- a/test/cbmc/include/network_interface_stubs.h
+++ b/test/cbmc/include/network_interface_stubs.h
@@ -1,5 +1,5 @@
 /*
- * coreMQTT v1.1.0
+ * coreMQTT v1.1.1
  * 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/test/cbmc/proofs/MQTT_Connect/MQTT_Connect_harness.c b/test/cbmc/proofs/MQTT_Connect/MQTT_Connect_harness.c
index 91d85b7e..f0c6a107 100644
--- a/test/cbmc/proofs/MQTT_Connect/MQTT_Connect_harness.c
+++ b/test/cbmc/proofs/MQTT_Connect/MQTT_Connect_harness.c
@@ -1,5 +1,5 @@
 /*
- * coreMQTT v1.1.0
+ * coreMQTT v1.1.1
  * 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/test/cbmc/proofs/MQTT_DeserializeAck/MQTT_DeserializeAck_harness.c b/test/cbmc/proofs/MQTT_DeserializeAck/MQTT_DeserializeAck_harness.c
index 008af47c..157c2b78 100644
--- a/test/cbmc/proofs/MQTT_DeserializeAck/MQTT_DeserializeAck_harness.c
+++ b/test/cbmc/proofs/MQTT_DeserializeAck/MQTT_DeserializeAck_harness.c
@@ -1,5 +1,5 @@
 /*
- * coreMQTT v1.1.0
+ * coreMQTT v1.1.1
  * 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/test/cbmc/proofs/MQTT_DeserializePublish/MQTT_DeserializePublish_harness.c b/test/cbmc/proofs/MQTT_DeserializePublish/MQTT_DeserializePublish_harness.c
index d0607a4c..29a71fe1 100644
--- a/test/cbmc/proofs/MQTT_DeserializePublish/MQTT_DeserializePublish_harness.c
+++ b/test/cbmc/proofs/MQTT_DeserializePublish/MQTT_DeserializePublish_harness.c
@@ -1,5 +1,5 @@
 /*
- * coreMQTT v1.1.0
+ * coreMQTT v1.1.1
  * 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/test/cbmc/proofs/MQTT_Disconnect/MQTT_Disconnect_harness.c b/test/cbmc/proofs/MQTT_Disconnect/MQTT_Disconnect_harness.c
index 15910752..f1ab2438 100644
--- a/test/cbmc/proofs/MQTT_Disconnect/MQTT_Disconnect_harness.c
+++ b/test/cbmc/proofs/MQTT_Disconnect/MQTT_Disconnect_harness.c
@@ -1,5 +1,5 @@
 /*
- * coreMQTT v1.1.0
+ * coreMQTT v1.1.1
  * 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/test/cbmc/proofs/MQTT_GetIncomingPacketTypeAndLength/MQTT_GetIncomingPacketTypeAndLength_harness.c b/test/cbmc/proofs/MQTT_GetIncomingPacketTypeAndLength/MQTT_GetIncomingPacketTypeAndLength_harness.c
index b5cf1b3f..868b4d45 100644
--- a/test/cbmc/proofs/MQTT_GetIncomingPacketTypeAndLength/MQTT_GetIncomingPacketTypeAndLength_harness.c
+++ b/test/cbmc/proofs/MQTT_GetIncomingPacketTypeAndLength/MQTT_GetIncomingPacketTypeAndLength_harness.c
@@ -1,5 +1,5 @@
 /*
- * coreMQTT v1.1.0
+ * coreMQTT v1.1.1
  * 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/test/cbmc/proofs/MQTT_GetPacketId/MQTT_GetPacketId_harness.c b/test/cbmc/proofs/MQTT_GetPacketId/MQTT_GetPacketId_harness.c
index 712d28c7..6cdcfe01 100644
--- a/test/cbmc/proofs/MQTT_GetPacketId/MQTT_GetPacketId_harness.c
+++ b/test/cbmc/proofs/MQTT_GetPacketId/MQTT_GetPacketId_harness.c
@@ -1,5 +1,5 @@
 /*
- * coreMQTT v1.1.0
+ * coreMQTT v1.1.1
  * 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/test/cbmc/proofs/MQTT_GetSubAckStatusCodes/MQTT_GetSubAckStatusCodes_harness.c b/test/cbmc/proofs/MQTT_GetSubAckStatusCodes/MQTT_GetSubAckStatusCodes_harness.c
index 79c57c88..1c48a3f8 100644
--- a/test/cbmc/proofs/MQTT_GetSubAckStatusCodes/MQTT_GetSubAckStatusCodes_harness.c
+++ b/test/cbmc/proofs/MQTT_GetSubAckStatusCodes/MQTT_GetSubAckStatusCodes_harness.c
@@ -1,5 +1,5 @@
 /*
- * coreMQTT v1.1.0
+ * coreMQTT v1.1.1
  * 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/test/cbmc/proofs/MQTT_Init/MQTT_Init_harness.c b/test/cbmc/proofs/MQTT_Init/MQTT_Init_harness.c
index c0cb476a..53bcbbbe 100644
--- a/test/cbmc/proofs/MQTT_Init/MQTT_Init_harness.c
+++ b/test/cbmc/proofs/MQTT_Init/MQTT_Init_harness.c
@@ -1,5 +1,5 @@
 /*
- * coreMQTT v1.1.0
+ * coreMQTT v1.1.1
  * 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/test/cbmc/proofs/MQTT_MatchTopic/MQTT_MatchTopic_harness.c b/test/cbmc/proofs/MQTT_MatchTopic/MQTT_MatchTopic_harness.c
index 350a9b57..2f9629e4 100644
--- a/test/cbmc/proofs/MQTT_MatchTopic/MQTT_MatchTopic_harness.c
+++ b/test/cbmc/proofs/MQTT_MatchTopic/MQTT_MatchTopic_harness.c
@@ -1,5 +1,5 @@
 /*
- * coreMQTT v1.1.0
+ * coreMQTT v1.1.1
  * 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/test/cbmc/proofs/MQTT_Ping/MQTT_Ping_harness.c b/test/cbmc/proofs/MQTT_Ping/MQTT_Ping_harness.c
index fcb09303..4149162a 100644
--- a/test/cbmc/proofs/MQTT_Ping/MQTT_Ping_harness.c
+++ b/test/cbmc/proofs/MQTT_Ping/MQTT_Ping_harness.c
@@ -1,5 +1,5 @@
 /*
- * coreMQTT v1.1.0
+ * coreMQTT v1.1.1
  * 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/test/cbmc/proofs/MQTT_ProcessLoop/MQTT_ProcessLoop_harness.c b/test/cbmc/proofs/MQTT_ProcessLoop/MQTT_ProcessLoop_harness.c
index f106d5a1..55d715e2 100644
--- a/test/cbmc/proofs/MQTT_ProcessLoop/MQTT_ProcessLoop_harness.c
+++ b/test/cbmc/proofs/MQTT_ProcessLoop/MQTT_ProcessLoop_harness.c
@@ -1,5 +1,5 @@
 /*
- * coreMQTT v1.1.0
+ * coreMQTT v1.1.1
  * 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/test/cbmc/proofs/MQTT_Publish/MQTT_Publish_harness.c b/test/cbmc/proofs/MQTT_Publish/MQTT_Publish_harness.c
index eaf78d87..d96dd3d8 100644
--- a/test/cbmc/proofs/MQTT_Publish/MQTT_Publish_harness.c
+++ b/test/cbmc/proofs/MQTT_Publish/MQTT_Publish_harness.c
@@ -1,5 +1,5 @@
 /*
- * coreMQTT v1.1.0
+ * coreMQTT v1.1.1
  * 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/test/cbmc/proofs/MQTT_ReceiveLoop/MQTT_ReceiveLoop_harness.c b/test/cbmc/proofs/MQTT_ReceiveLoop/MQTT_ReceiveLoop_harness.c
index 0cee886f..625c86bf 100644
--- a/test/cbmc/proofs/MQTT_ReceiveLoop/MQTT_ReceiveLoop_harness.c
+++ b/test/cbmc/proofs/MQTT_ReceiveLoop/MQTT_ReceiveLoop_harness.c
@@ -1,5 +1,5 @@
 /*
- * coreMQTT v1.1.0
+ * coreMQTT v1.1.1
  * 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/test/cbmc/proofs/MQTT_SerializeAck/MQTT_SerializeAck_harness.c b/test/cbmc/proofs/MQTT_SerializeAck/MQTT_SerializeAck_harness.c
index da8a3aae..588fed13 100644
--- a/test/cbmc/proofs/MQTT_SerializeAck/MQTT_SerializeAck_harness.c
+++ b/test/cbmc/proofs/MQTT_SerializeAck/MQTT_SerializeAck_harness.c
@@ -1,5 +1,5 @@
 /*
- * coreMQTT v1.1.0
+ * coreMQTT v1.1.1
  * 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/test/cbmc/proofs/MQTT_SerializeConnect/MQTT_SerializeConnect_harness.c b/test/cbmc/proofs/MQTT_SerializeConnect/MQTT_SerializeConnect_harness.c
index 69975ba7..2090074a 100644
--- a/test/cbmc/proofs/MQTT_SerializeConnect/MQTT_SerializeConnect_harness.c
+++ b/test/cbmc/proofs/MQTT_SerializeConnect/MQTT_SerializeConnect_harness.c
@@ -1,5 +1,5 @@
 /*
- * coreMQTT v1.1.0
+ * coreMQTT v1.1.1
  * 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/test/cbmc/proofs/MQTT_SerializeDisconnect/MQTT_SerializeDisconnect_harness.c b/test/cbmc/proofs/MQTT_SerializeDisconnect/MQTT_SerializeDisconnect_harness.c
index b09b7890..bab6f342 100644
--- a/test/cbmc/proofs/MQTT_SerializeDisconnect/MQTT_SerializeDisconnect_harness.c
+++ b/test/cbmc/proofs/MQTT_SerializeDisconnect/MQTT_SerializeDisconnect_harness.c
@@ -1,5 +1,5 @@
 /*
- * coreMQTT v1.1.0
+ * coreMQTT v1.1.1
  * 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/test/cbmc/proofs/MQTT_SerializePingreq/MQTT_SerializePingreq_harness.c b/test/cbmc/proofs/MQTT_SerializePingreq/MQTT_SerializePingreq_harness.c
index 227d38a4..db525946 100644
--- a/test/cbmc/proofs/MQTT_SerializePingreq/MQTT_SerializePingreq_harness.c
+++ b/test/cbmc/proofs/MQTT_SerializePingreq/MQTT_SerializePingreq_harness.c
@@ -1,5 +1,5 @@
 /*
- * coreMQTT v1.1.0
+ * coreMQTT v1.1.1
  * 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/test/cbmc/proofs/MQTT_SerializePublish/MQTT_SerializePublish_harness.c b/test/cbmc/proofs/MQTT_SerializePublish/MQTT_SerializePublish_harness.c
index b404497f..632116cd 100644
--- a/test/cbmc/proofs/MQTT_SerializePublish/MQTT_SerializePublish_harness.c
+++ b/test/cbmc/proofs/MQTT_SerializePublish/MQTT_SerializePublish_harness.c
@@ -1,5 +1,5 @@
 /*
- * coreMQTT v1.1.0
+ * coreMQTT v1.1.1
  * 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/test/cbmc/proofs/MQTT_SerializePublishHeader/MQTT_SerializePublishHeader_harness.c b/test/cbmc/proofs/MQTT_SerializePublishHeader/MQTT_SerializePublishHeader_harness.c
index e88a535b..cf847052 100644
--- a/test/cbmc/proofs/MQTT_SerializePublishHeader/MQTT_SerializePublishHeader_harness.c
+++ b/test/cbmc/proofs/MQTT_SerializePublishHeader/MQTT_SerializePublishHeader_harness.c
@@ -1,5 +1,5 @@
 /*
- * coreMQTT v1.1.0
+ * coreMQTT v1.1.1
  * 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/test/cbmc/proofs/MQTT_SerializeSubscribe/MQTT_SerializeSubscribe_harness.c b/test/cbmc/proofs/MQTT_SerializeSubscribe/MQTT_SerializeSubscribe_harness.c
index 7f48a63c..9913278b 100644
--- a/test/cbmc/proofs/MQTT_SerializeSubscribe/MQTT_SerializeSubscribe_harness.c
+++ b/test/cbmc/proofs/MQTT_SerializeSubscribe/MQTT_SerializeSubscribe_harness.c
@@ -1,5 +1,5 @@
 /*
- * coreMQTT v1.1.0
+ * coreMQTT v1.1.1
  * 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/test/cbmc/proofs/MQTT_SerializeUnsubscribe/MQTT_SerializeUnsubscribe_harness.c b/test/cbmc/proofs/MQTT_SerializeUnsubscribe/MQTT_SerializeUnsubscribe_harness.c
index b858a6ee..ef4f7476 100644
--- a/test/cbmc/proofs/MQTT_SerializeUnsubscribe/MQTT_SerializeUnsubscribe_harness.c
+++ b/test/cbmc/proofs/MQTT_SerializeUnsubscribe/MQTT_SerializeUnsubscribe_harness.c
@@ -1,5 +1,5 @@
 /*
- * coreMQTT v1.1.0
+ * coreMQTT v1.1.1
  * 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/test/cbmc/proofs/MQTT_Subscribe/MQTT_Subscribe_harness.c b/test/cbmc/proofs/MQTT_Subscribe/MQTT_Subscribe_harness.c
index a4befd6e..990fc72f 100644
--- a/test/cbmc/proofs/MQTT_Subscribe/MQTT_Subscribe_harness.c
+++ b/test/cbmc/proofs/MQTT_Subscribe/MQTT_Subscribe_harness.c
@@ -1,5 +1,5 @@
 /*
- * coreMQTT v1.1.0
+ * coreMQTT v1.1.1
  * 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/test/cbmc/proofs/MQTT_Unsubscribe/MQTT_Unsubscribe_harness.c b/test/cbmc/proofs/MQTT_Unsubscribe/MQTT_Unsubscribe_harness.c
index 0d59c3ce..82d2f6b9 100644
--- a/test/cbmc/proofs/MQTT_Unsubscribe/MQTT_Unsubscribe_harness.c
+++ b/test/cbmc/proofs/MQTT_Unsubscribe/MQTT_Unsubscribe_harness.c
@@ -1,5 +1,5 @@
 /*
- * coreMQTT v1.1.0
+ * coreMQTT v1.1.1
  * 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/test/cbmc/sources/mqtt_cbmc_state.c b/test/cbmc/sources/mqtt_cbmc_state.c
index 6b896805..d4dfc044 100644
--- a/test/cbmc/sources/mqtt_cbmc_state.c
+++ b/test/cbmc/sources/mqtt_cbmc_state.c
@@ -1,5 +1,5 @@
 /*
- * coreMQTT v1.1.0
+ * coreMQTT v1.1.1
  * 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/test/cbmc/stubs/event_callback_stub.c b/test/cbmc/stubs/event_callback_stub.c
index 9af922e7..e1a7e38e 100644
--- a/test/cbmc/stubs/event_callback_stub.c
+++ b/test/cbmc/stubs/event_callback_stub.c
@@ -1,5 +1,5 @@
 /*
- * coreMQTT v1.1.0
+ * coreMQTT v1.1.1
  * 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/test/cbmc/stubs/get_time_stub.c b/test/cbmc/stubs/get_time_stub.c
index 4d6b2b02..8128cef3 100644
--- a/test/cbmc/stubs/get_time_stub.c
+++ b/test/cbmc/stubs/get_time_stub.c
@@ -1,5 +1,5 @@
 /*
- * coreMQTT v1.1.0
+ * coreMQTT v1.1.1
  * 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/test/cbmc/stubs/memcpy.c b/test/cbmc/stubs/memcpy.c
index f48468dc..7c07937a 100644
--- a/test/cbmc/stubs/memcpy.c
+++ b/test/cbmc/stubs/memcpy.c
@@ -1,5 +1,5 @@
 /*
- * coreMQTT v1.1.0
+ * coreMQTT v1.1.1
  * 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/test/cbmc/stubs/network_interface_stubs.c b/test/cbmc/stubs/network_interface_stubs.c
index 53a46c97..652d8e86 100644
--- a/test/cbmc/stubs/network_interface_stubs.c
+++ b/test/cbmc/stubs/network_interface_stubs.c
@@ -1,5 +1,5 @@
 /*
- * coreMQTT v1.1.0
+ * coreMQTT v1.1.1
  * 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/test/unit-test/core_mqtt_config.h b/test/unit-test/core_mqtt_config.h
index 9e7dfaeb..d6fc2d86 100644
--- a/test/unit-test/core_mqtt_config.h
+++ b/test/unit-test/core_mqtt_config.h
@@ -1,5 +1,5 @@
 /*
- * coreMQTT v1.1.0
+ * coreMQTT v1.1.1
  * 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/test/unit-test/core_mqtt_serializer_utest.c b/test/unit-test/core_mqtt_serializer_utest.c
index 35580c97..ddef3c5d 100644
--- a/test/unit-test/core_mqtt_serializer_utest.c
+++ b/test/unit-test/core_mqtt_serializer_utest.c
@@ -1,5 +1,5 @@
 /*
- * coreMQTT v1.1.0
+ * coreMQTT v1.1.1
  * 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/test/unit-test/core_mqtt_state_utest.c b/test/unit-test/core_mqtt_state_utest.c
index 209fea77..8a8779f9 100644
--- a/test/unit-test/core_mqtt_state_utest.c
+++ b/test/unit-test/core_mqtt_state_utest.c
@@ -1,5 +1,5 @@
 /*
- * coreMQTT v1.1.0
+ * coreMQTT v1.1.1
  * 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/test/unit-test/core_mqtt_utest.c b/test/unit-test/core_mqtt_utest.c
index 413f3350..b3d19254 100644
--- a/test/unit-test/core_mqtt_utest.c
+++ b/test/unit-test/core_mqtt_utest.c
@@ -1,5 +1,5 @@
 /*
- * coreMQTT v1.1.0
+ * coreMQTT v1.1.1
  * 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/test/unit-test/logging/logging_levels.h b/test/unit-test/logging/logging_levels.h
index ba175608..8ca7114e 100644
--- a/test/unit-test/logging/logging_levels.h
+++ b/test/unit-test/logging/logging_levels.h
@@ -1,5 +1,5 @@
 /*
- * coreMQTT v1.1.0
+ * coreMQTT v1.1.1
  * 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/test/unit-test/logging/logging_stack.h b/test/unit-test/logging/logging_stack.h
index 375e2d31..a36c861f 100644
--- a/test/unit-test/logging/logging_stack.h
+++ b/test/unit-test/logging/logging_stack.h
@@ -1,5 +1,5 @@
 /*
- * coreMQTT v1.1.0
+ * coreMQTT v1.1.1
  * 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