diff --git a/tools/cmakev2/build.cmake b/tools/cmakev2/build.cmake
index fe0088ab12..c6df26c8c0 100644
--- a/tools/cmakev2/build.cmake
+++ b/tools/cmakev2/build.cmake
@@ -364,6 +364,29 @@ function(idf_build_library library)
         idf_library_set_property("${library}" __LDGEN_FRAGMENT_FILES "${ldfragments}" APPEND)
     endforeach()
 
+    # Collect the filenames of project component archives, which are considered
+    # mutable, in the __LDGEN_MUTABLE_LIBS library property. These libraries
+    # are placed by ldgen into a separate location in the linker script,
+    # enabling the fast reflashing feature.
+    foreach(component_interface IN LISTS component_interfaces_linked)
+        idf_component_get_property(component_source "${component_interface}" COMPONENT_SOURCE)
+        idf_component_get_property(component_target "${component_interface}" COMPONENT_TARGET)
+        idf_component_get_property(component_type "${component_interface}" COMPONENT_TYPE)
+
+        if("${component_type}" STREQUAL "CONFIG_ONLY")
+            # Configuration only component interface target without a library.
+            continue()
+        endif()
+
+        if(NOT "${component_source}" STREQUAL "project_components")
+            # Add only project components as mutable.
+            continue()
+        endif()
+
+        idf_library_set_property("${library}" __LDGEN_MUTABLE_LIBS
+            "$<TARGET_LINKER_FILE_NAME:${component_target}>" APPEND)
+    endforeach()
+
     # Collect archive files from all targets linked to the library interface
     # and store them in the __LDGEN_DEPENDS and __LDGEN_LIBRARIES library
     # properties. These properties are used by ldgen to generate linker scripts
diff --git a/tools/cmakev2/ldgen.cmake b/tools/cmakev2/ldgen.cmake
index 4e30ce5b13..e6959a20a2 100644
--- a/tools/cmakev2/ldgen.cmake
+++ b/tools/cmakev2/ldgen.cmake
@@ -83,6 +83,17 @@ function(__ldgen_process_template)
         idf_msg("Mapping check enabled in ldgen")
     endif()
 
+    if(CONFIG_ESPTOOLPY_FAST_REFLASHING)
+        # Create a file containing a list of mutable libraries used by ldgen
+        # for fast reflashing.
+        idf_library_get_property(ldgen_mutable_libs "${ARG_LIBRARY}" __LDGEN_MUTABLE_LIBS)
+        set(mutable_libs_path "${build_dir}/ldgen_mutable_libraries${ARG_SUFFIX}")
+        list(JOIN ldgen_mutable_libs "\n" ldgen_mutable_libs_str)
+        file(GENERATE OUTPUT "${mutable_libs_path}"
+            CONTENT "${ldgen_mutable_libs_str}")
+        set(mutable_libs_option "--mutable-libraries-file" "${mutable_libs_path}")
+    endif()
+
     add_custom_command(
         OUTPUT "${ARG_OUTPUT}"
         COMMAND ${python} "${idf_path}/tools/ldgen/ldgen.py"
@@ -96,6 +107,7 @@ function(__ldgen_process_template)
         --libraries-file "${build_dir}/ldgen_libraries${ARG_SUFFIX}"
         --objdump   "${CMAKE_OBJDUMP}"
         ${ldgen_check}
+        ${mutable_libs_option}
         DEPENDS     ${ARG_TEMPLATE} ${ldgen_fragment_files} ${ldgen_depends} ${sdkconfig}
         VERBATIM
     )