diff --git a/docs/doxygen/config.doxyfile b/docs/doxygen/config.doxyfile
index 76b46aede..9f406bd07 100644
--- a/docs/doxygen/config.doxyfile
+++ b/docs/doxygen/config.doxyfile
@@ -48,7 +48,7 @@ PROJECT_NAME           = FreeRTOS-Plus-TCP
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = V4.1.0
+PROJECT_NUMBER         = V4.2.0
 
 # 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 503347f61..bbd9c0310 100644
--- a/manifest.yml
+++ b/manifest.yml
@@ -1,5 +1,5 @@
 name: "FreeRTOS-Plus-TCP"
-version: "V4.1.0"
+version: "V4.2.0"
 description:
   "Thread safe FreeRTOS TCP/IP stack working on top of the FreeRTOS-Kernel to
   implement the TCP/IP protocol. Suitable for microcontrollers."
diff --git a/test/FreeRTOS-Kernel b/test/FreeRTOS-Kernel
index 0240cd55f..dbf70559b 160000
--- a/test/FreeRTOS-Kernel
+++ b/test/FreeRTOS-Kernel
@@ -1 +1 @@
-Subproject commit 0240cd55f20be7100439b606086709b74a105cb1
+Subproject commit dbf70559b27d39c1fdb68dfb9a32140b6a6777a0