diff --git a/sysbuild.cmake b/sysbuild.cmake
index c30b9a0..2e588ce 100644
--- a/sysbuild.cmake
+++ b/sysbuild.cmake
@@ -42,8 +42,9 @@ if(SB_CONFIG_BOOTLOADER_MCUBOOT)
   )
 endif()
 
-# DFU ZIP 파일명에 MCUboot 서명 버전을 붙인 복사본 생성
+# DFU ZIP 파일명에 공식 FW 버전과 MCUboot 이미지 버전을 함께 붙인 복사본 생성
 set(APP_PRJ_CONF "${APP_DIR}/prj.conf")
+set(APP_MAIN_H "${APP_DIR}/src/main.h")
 if(EXISTS "${APP_PRJ_CONF}")
   file(READ "${APP_PRJ_CONF}" APP_PRJ_CONF_TEXT)
 
@@ -51,9 +52,12 @@ if(EXISTS "${APP_PRJ_CONF}")
     set(DFU_ZIP_VERSION "${CMAKE_MATCH_1}")
     set(DFU_ZIP_SUFFIX "${DFU_ZIP_VERSION}")
 
-    # 0.0.1+3 형식은 사용자가 구분하기 쉽도록 1+3만 사용
-    if(DFU_ZIP_VERSION MATCHES "^0\\.0\\.([0-9]+\\+[^+]+)$")
-      set(DFU_ZIP_SUFFIX "${CMAKE_MATCH_1}")
+    if(EXISTS "${APP_MAIN_H}")
+      file(READ "${APP_MAIN_H}" APP_MAIN_H_TEXT_FOR_DFU)
+      if(APP_MAIN_H_TEXT_FOR_DFU MATCHES "#define[ \t]+FIRMWARE_VERSION[ \t]+\"([^\"]+)\"")
+        set(DFU_FW_VERSION "${CMAKE_MATCH_1}")
+        set(DFU_ZIP_SUFFIX "${DFU_FW_VERSION}_${DFU_ZIP_VERSION}")
+      endif()
     endif()
 
     # 파일명에 쓰기 어려운 문자는 밑줄로 치환
@@ -86,11 +90,15 @@ if(EXISTS "${APP_MAIN_H}")
 
   if(APP_MAIN_H_TEXT MATCHES "#define[ \t]+FIRMWARE_VERSION[ \t]+\"([^\"]+)\"")
     set(FW_HEX_VERSION "${CMAKE_MATCH_1}")
-    string(REGEX REPLACE "[^A-Za-z0-9_.+-]" "_" FW_HEX_VERSION "${FW_HEX_VERSION}")
+    set(FW_HEX_SUFFIX "${FW_HEX_VERSION}")
+    if(DEFINED DFU_ZIP_VERSION)
+      set(FW_HEX_SUFFIX "${FW_HEX_VERSION}_${DFU_ZIP_VERSION}")
+    endif()
+    string(REGEX REPLACE "[^A-Za-z0-9_.+-]" "_" FW_HEX_SUFFIX "${FW_HEX_SUFFIX}")
 
     set(FW_HEX_SOURCE "${CMAKE_BINARY_DIR}/merged.hex")
     set(FW_HEX_RELEASE_DIR "${APP_DIR}/release")
-    set(FW_HEX_VERSIONED "${FW_HEX_RELEASE_DIR}/VesiScan-Basic_${FW_HEX_VERSION}.hex")
+    set(FW_HEX_VERSIONED "${FW_HEX_RELEASE_DIR}/VesiScan-Basic_${FW_HEX_SUFFIX}.hex")
 
     add_custom_command(
       OUTPUT "${FW_HEX_VERSIONED}"