diff --git a/backend/src/main/java/com/goldenchart/service/DesktopAppReleaseService.java b/backend/src/main/java/com/goldenchart/service/DesktopAppReleaseService.java
index 93f227e..f81b5a5 100644
--- a/backend/src/main/java/com/goldenchart/service/DesktopAppReleaseService.java
+++ b/backend/src/main/java/com/goldenchart/service/DesktopAppReleaseService.java
@@ -59,12 +59,13 @@ public class DesktopAppReleaseService {
         String publishedVer = readLatestJsonVersion();
         String buildInfoVer = readBuildInfoVersion(releaseDirectory());
 
+        // 헤더 버전: 실제 설치 파일 > build-info > 설정값 (latest.json은 업데이터용이라 다운로드와 어긋날 수 있음)
+        String installerVer = maxSemver(macVer, winVer);
         String version = maxSemver(
-                nullIfBlank(configuredVersion),
-                publishedVer,
+                installerVer,
                 buildInfoVer,
-                macVer,
-                winVer
+                nullIfBlank(configuredVersion),
+                publishedVer
         );
 
         Instant latestUpdated = Stream.of(macFile, winFile)
diff --git a/scripts/build-desktop.sh b/scripts/build-desktop.sh
index 511b985..027a3f5 100755
--- a/scripts/build-desktop.sh
+++ b/scripts/build-desktop.sh
@@ -119,17 +119,41 @@ collect_updater_artifacts() {
   done
 }
 
+copy_installer_matching_version() {
+  local kind="$1"
+  shift
+  local found=""
+  while IFS= read -r f; do
+    [[ -z "$f" ]] && continue
+    if [[ "$f" == *"${VERSION}"* ]]; then
+      found="$f"
+      break
+    fi
+  done < <("$@")
+  if [[ -z "$found" ]]; then
+    echo "ERROR: ${kind} installer for v${VERSION} not found (stale target cache ignored)." >&2
+    echo "  Searched: $*" >&2
+    return 1
+  fi
+  cp -f "$found" "$ARTIFACT_DIR/"
+  echo "  ${kind} installer: $(basename "$found")"
+}
+
 if [[ "$BUILD_MAC" -eq 1 ]]; then
   echo "--- Tauri build (macOS) ---"
+  find "$TAURI_TARGET/release/bundle" -name '*.dmg' -delete 2>/dev/null || true
   (cd "$DESKTOP_DIR" && npm run tauri:build:mac)
-  find "$TAURI_TARGET/release/bundle" -name '*.dmg' -exec cp -f {} "$ARTIFACT_DIR/" \; 2>/dev/null || true
+  copy_installer_matching_version "macOS" \
+    find "$TAURI_TARGET/release/bundle" -name '*.dmg' 2>/dev/null
   collect_updater_artifacts
 fi
 
 if [[ "$BUILD_WIN" -eq 1 ]]; then
   echo "--- Tauri build (Windows NSIS cross) ---"
+  find "$TAURI_TARGET" -path '*x86_64-pc-windows-msvc*' -name '*-setup.exe' -delete 2>/dev/null || true
   (cd "$DESKTOP_DIR" && npm run tauri:build:win)
-  find "$TAURI_TARGET" -path '*x86_64-pc-windows-msvc*' -name '*-setup.exe' -exec cp -f {} "$ARTIFACT_DIR/" \; 2>/dev/null || true
+  copy_installer_matching_version "Windows" \
+    find "$TAURI_TARGET" -path '*x86_64-pc-windows-msvc*' -name '*-setup.exe' 2>/dev/null
   collect_updater_artifacts
 fi
 
diff --git a/scripts/publish-desktop-update.sh b/scripts/publish-desktop-update.sh
index 853e658..7ab1944 100755
--- a/scripts/publish-desktop-update.sh
+++ b/scripts/publish-desktop-update.sh
@@ -35,16 +35,40 @@ log "Web static:  $WEB_STATIC_DIR"
 
 mkdir -p "$WEB_STATIC_DIR"
 
+prune_old_installers() {
+  local dir="$1"
+  [[ -d "$dir" ]] || return 0
+  find "$dir" -maxdepth 1 -type f \( \
+    -name 'GoldenChart_*.dmg' -o \
+    -name 'GoldenChart_*setup.exe' -o \
+    -name 'GoldenChart_*-setup.exe' \
+  \) -delete 2>/dev/null || true
+}
+
 # 설치 파일(dist-desktop/*.dmg, *setup.exe) 복사 — nginx static + backend API 디렉터리
 if [[ -d "$ARTIFACT_DIR" ]]; then
   mkdir -p "$DESKTOP_RELEASE_DIR"
-  # 구버전 설치 파일 제거 (Windows exe 0.1.3 잔존 등 방지)
-  find "$DESKTOP_RELEASE_DIR" -maxdepth 1 -type f \( -name 'GoldenChart_*.dmg' -o -name 'GoldenChart_*setup.exe' -o -name 'GoldenChart_*-setup.exe' \) -delete 2>/dev/null || true
-  find "$ARTIFACT_DIR" -maxdepth 1 -type f \( -name '*.dmg' -o -name '*setup.exe' \) | while read -r f; do
+  prune_old_installers "$DESKTOP_RELEASE_DIR"
+  prune_old_installers "$WEB_STATIC_DIR"
+
+  INSTALLER_COUNT=0
+  while IFS= read -r f; do
+    [[ -z "$f" ]] && continue
+    base="$(basename "$f")"
+    if [[ "$base" != *"${VERSION}"* ]]; then
+      log "[WARN] skip installer (version mismatch): $base (expected v${VERSION})"
+      continue
+    fi
     cp -f "$f" "$WEB_STATIC_DIR/"
     cp -f "$f" "$DESKTOP_RELEASE_DIR/"
-    log "Installer: $(basename "$f")"
-  done
+    log "Installer: $base"
+    INSTALLER_COUNT=$((INSTALLER_COUNT + 1))
+  done < <(find "$ARTIFACT_DIR" -maxdepth 1 -type f \( -name '*.dmg' -o -name '*setup.exe' \) 2>/dev/null)
+
+  if [[ "$INSTALLER_COUNT" -eq 0 ]]; then
+    log "[WARN] v${VERSION} 설치 파일(dmg/exe) 없음 — latest.json 만 갱신될 수 있음"
+  fi
+
   if [[ -f "$BUILD_INFO" ]]; then
     cp -f "$BUILD_INFO" "$DESKTOP_RELEASE_DIR/build-info.json"
   fi