diff --git a/CMakeLists.txt b/CMakeLists.txt
index bfb8352..fc07d23 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -32,6 +32,7 @@ else()
       ${LIB_FREERTOS_NAME}
       PRIVATE
       FreeRTOS/FreeRTOS-Kernel/portable/ThirdParty/GCC/Posix/port.c
+      FreeRTOS/FreeRTOS-Kernel/portable/MemMang/heap_3.c
     )
     target_include_directories(
       ${LIB_FREERTOS_NAME}