diff --git a/app/src/main/java/jp/atled/agileworks/AwApp.kt b/app/src/main/java/jp/atled/agileworks/AwApp.kt
index 0ab8b5a810f51aa72ac8e02113378a0f703ed960..ac154a4b91b290344ece4a34f3bd235ee2333869 100644
--- a/app/src/main/java/jp/atled/agileworks/AwApp.kt
+++ b/app/src/main/java/jp/atled/agileworks/AwApp.kt
@@ -56,6 +56,9 @@ class AwApp : Application() {
         const val MISC_PREFERENCES = "miscPreferences"
         const val MISC_ACCEPTED_LICENSE_VER = "acceptedLicenseVer"
         const val MISC_NEXT_DOWNLOAD_NOTIFICATION_ID = "nextDownloadNotificationId"
+        const val WIDGET_PREFERENCES = "widgetPreferences"
+        const val WIDGET_UPDATE_FLG = "widgetUpdateFlg"
+
 
         fun Baseurl() : String {
             return "https://${LoginRepository().loadServerUrl()}/${LoginRepository().loadServerContext()}/"
diff --git a/app/src/main/java/jp/atled/agileworks/view/ui/documentweb/DocumentWebFragment.kt b/app/src/main/java/jp/atled/agileworks/view/ui/documentweb/DocumentWebFragment.kt
index da13c19017143a092789adde2ae16022fd295a1e..edd2335f422b3684291693a19fb1b49c34fe7454 100644
--- a/app/src/main/java/jp/atled/agileworks/view/ui/documentweb/DocumentWebFragment.kt
+++ b/app/src/main/java/jp/atled/agileworks/view/ui/documentweb/DocumentWebFragment.kt
@@ -162,6 +162,10 @@ class DocumentWebFragment : Fragment(), DocumentWebPresenter {
 
     override fun onPause() {
         super.onPause()
+        //ウィジェット更新フラグのクリア
+        val prefs = AwApp.instance.applicationContext.getSharedPreferences(AwApp.WIDGET_PREFERENCES, Context.MODE_PRIVATE)
+        prefs.edit().putBoolean(AwApp.WIDGET_UPDATE_FLG, false).apply()
+
         AwApp.instance.requestApprovalRefresh()
         try{
             stopNetworkCallback()
diff --git a/app/src/main/java/jp/atled/agileworks/widget/AwAppWidgetRemoteViewsFactory.kt b/app/src/main/java/jp/atled/agileworks/widget/AwAppWidgetRemoteViewsFactory.kt
index 241b75c0354a3fa1cead0c14dc0efc64f9fd30f8..7d713295e88bf4dacb54d65161b3fd31d565ba37 100644
--- a/app/src/main/java/jp/atled/agileworks/widget/AwAppWidgetRemoteViewsFactory.kt
+++ b/app/src/main/java/jp/atled/agileworks/widget/AwAppWidgetRemoteViewsFactory.kt
@@ -163,7 +163,16 @@ class AwAppWidgetRemoteViewsFactory(applicationContext: Context, intent: Intent?
 
     private fun getApprovalItems(): List<ApprovalInfo>? {
         try {
+            val prefs = AwApp.instance.applicationContext.getSharedPreferences(AwApp.WIDGET_PREFERENCES, Context.MODE_PRIVATE)
+
+            while (prefs.getBoolean(AwApp.WIDGET_UPDATE_FLG, false)) {
+                //別のウィジェットが更新中の場合は待つ
+            }
+
+            prefs.edit().putBoolean(AwApp.WIDGET_UPDATE_FLG, true).apply()
             val response = ApiClient.instance.getApproval().execute()
+            prefs.edit().putBoolean(AwApp.WIDGET_UPDATE_FLG, false).apply()
+
             Log.d(TAG, "response.isSuccessful=" + response.isSuccessful.toString())
             Log.d(TAG, "response.body()=" + response.body().toString())
             if (response.isSuccessful) {