diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5d960036f0..97a6344557 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -423,6 +423,7 @@ include(platform)
 # Setup main nuttx target ####################################################
 
 add_executable(nuttx)
+add_custom_target(nuttx_post)
 if(CONFIG_BUILD_PROTECTED)
   add_executable(nuttx_user)
 endif()
@@ -432,6 +433,7 @@ if(CONFIG_ALLSYMS)
 endif()
 
 add_dependencies(nuttx nuttx_context)
+add_dependencies(nuttx_post nuttx)
 
 if(WIN32)
   set_property(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} PROPERTY VS_STARTUP_PROJECT
@@ -573,6 +575,9 @@ add_subdirectory(boards)
 # with the correct operations for that platform
 
 if(TARGET nuttx_post_build)
+  # ensure thae the custom post build is executed after all steps of the nuttx
+  # build are completed
+  add_dependencies(nuttx_post_build nuttx_post)
   add_custom_target(post_build ALL DEPENDS nuttx_post_build)
 endif()
 
diff --git a/cmake/nuttx_allsyms.cmake b/cmake/nuttx_allsyms.cmake
index 44b1a8d3fc..7e8bfc09d2 100644
--- a/cmake/nuttx_allsyms.cmake
+++ b/cmake/nuttx_allsyms.cmake
@@ -95,7 +95,8 @@ define_allsyms_link_target(nuttx NULL NULL)
 define_allsyms_link_target(allsyms_inter nuttx allsyms_first_link)
 # allsyms link phase 2 since the table offset may changed
 define_allsyms_link_target(allsyms_nuttx allsyms_inter allsyms_final_link)
-
+# fixing timing dependencies
+add_dependencies(nuttx_post allsyms_nuttx)
 # finally use allsyms_nuttx to overwrite the already generated nuttx
 add_custom_command(
   TARGET allsyms_nuttx
diff --git a/cmake/nuttx_generate_outputs.cmake b/cmake/nuttx_generate_outputs.cmake
index d09a1c4237..7ffe284625 100644
--- a/cmake/nuttx_generate_outputs.cmake
+++ b/cmake/nuttx_generate_outputs.cmake
@@ -25,6 +25,7 @@ function(nuttx_generate_outputs target)
       COMMAND ${CMAKE_OBJCOPY} -O ihex ${target} ${target}.hex
       DEPENDS ${target})
     add_custom_target(${target}-hex ALL DEPENDS ${target}.hex)
+    add_dependencies(nuttx_post ${target}-hex)
     file(APPEND ${CMAKE_BINARY_DIR}/nuttx.manifest "${target}.hex\n")
   endif()
 
@@ -34,6 +35,7 @@ function(nuttx_generate_outputs target)
       COMMAND ${CMAKE_OBJCOPY} -O srec ${target} ${target}.srec
       DEPENDS ${target})
     add_custom_target(${target}-srec ALL DEPENDS ${target}.srec)
+    add_dependencies(nuttx_post ${target}-srec)
     file(APPEND ${CMAKE_BINARY_DIR}/nuttx.manifest "${target}.srec\n")
   endif()
 
@@ -43,6 +45,7 @@ function(nuttx_generate_outputs target)
       COMMAND ${CMAKE_OBJCOPY} -O binary ${target} ${target}.bin
       DEPENDS ${target})
     add_custom_target(${target}-bin ALL DEPENDS ${target}.bin)
+    add_dependencies(nuttx_post ${target}-bin)
     file(APPEND ${CMAKE_BINARY_DIR}/nuttx.manifest "${target}.bin\n")
   endif()