diff --git a/nuttx b/nuttx
index c30b37f33..226809dd9 160000
--- a/nuttx
+++ b/nuttx
@@ -1 +1 @@
-Subproject commit c30b37f33af60e7b222848ae9d075b9c106fb71d
+Subproject commit 226809dd950816bb4276f8c5dee4005bee7402ab
diff --git a/sdk/apps b/sdk/apps
index 9ceda85ee..6ad2ee477 160000
--- a/sdk/apps
+++ b/sdk/apps
@@ -1 +1 @@
-Subproject commit 9ceda85ee10845fe82faa377bafc1df2d514454f
+Subproject commit 6ad2ee47793992bc45fc70a00a6aa209cf4ae221
diff --git a/sdk/tools/mkversion.sh b/sdk/tools/mkversion.sh
index c7ad56433..8a272088f 100755
--- a/sdk/tools/mkversion.sh
+++ b/sdk/tools/mkversion.sh
@@ -36,7 +36,7 @@
 
 TAG=${1:-HEAD}
 
-SDK_VERSION="SDK3.3.0"
+SDK_VERSION="SDK3.3.1"
 if [ -r sdk_version ]; then
     SDK_VERSION="SDK`cat sdk_version`"
 fi