diff --git a/src/features/workbooks/components/detail/WorkBookTasksTable.svelte b/src/features/workbooks/components/detail/WorkBookTasksTable.svelte
index 342c45730..cfbdcd86e 100644
--- a/src/features/workbooks/components/detail/WorkBookTasksTable.svelte
+++ b/src/features/workbooks/components/detail/WorkBookTasksTable.svelte
@@ -9,7 +9,7 @@
     TableHead,
     TableHeadCell,
   } from 'flowbite-svelte';
-  import Trash2 from '@lucide/svelte/icons/trash-2';
+  import Trash from '@lucide/svelte/icons/trash';
 
   import GradeLabel from '$lib/components/GradeLabel.svelte';
   import ExternalLinkWrapper from '$lib/components/ExternalLinkWrapper.svelte';
@@ -238,7 +238,7 @@
                 }}
                 disabled={isDeleting}
               >
-                <Trash2 class="w-5 h-5 xs:w-6 xs:h-6" />
+                <Trash class="w-5 h-5 xs:w-6 xs:h-6" />
                 <span class="sr-only">削除</span>
               </button>
             </TableBodyCell>
diff --git a/src/lib/components/LabelWithTooltips.svelte b/src/lib/components/LabelWithTooltips.svelte
index e9d39933c..33a7bc636 100644
--- a/src/lib/components/LabelWithTooltips.svelte
+++ b/src/lib/components/LabelWithTooltips.svelte
@@ -1,6 +1,6 @@
 <script lang="ts">
   import { Label, Tooltip } from 'flowbite-svelte';
-  import CircleHelp from '@lucide/svelte/icons/circle-help';
+  import CircleQuestionMark from '@lucide/svelte/icons/circle-question-mark';
 
   import { TOOLTIP_CLASS_BASE } from '$lib/constants/tailwind-helper';
 
@@ -31,6 +31,6 @@
       {/if}
     </Tooltip>
 
-    <CircleHelp class="w-5 h-5" id={tooltipId} />
+    <CircleQuestionMark class="w-5 h-5" id={tooltipId} />
   </div>
 </Label>
diff --git a/src/lib/components/Tabs/TabItemWrapper.svelte b/src/lib/components/Tabs/TabItemWrapper.svelte
index b2a4082b2..f6c7972de 100644
--- a/src/lib/components/Tabs/TabItemWrapper.svelte
+++ b/src/lib/components/Tabs/TabItemWrapper.svelte
@@ -2,7 +2,7 @@
   import { type Snippet, onMount } from 'svelte';
 
   import { TabItem, Tooltip } from 'flowbite-svelte';
-  import CircleHelp from '@lucide/svelte/icons/circle-help';
+  import CircleQuestionMark from '@lucide/svelte/icons/circle-question-mark';
 
   import { TOOLTIP_CLASS_BASE } from '$lib/constants/tailwind-helper';
 
@@ -45,7 +45,7 @@
         </span>
 
         {#if tooltipContent !== ''}
-          <CircleHelp class="w-5 h-5" />
+          <CircleQuestionMark class="w-5 h-5" />
         {/if}
       </div>
     </span>
diff --git a/src/lib/components/TooltipWrapper.svelte b/src/lib/components/TooltipWrapper.svelte
index 23bdb0389..d7d2ab89f 100644
--- a/src/lib/components/TooltipWrapper.svelte
+++ b/src/lib/components/TooltipWrapper.svelte
@@ -2,7 +2,7 @@
   import { onMount } from 'svelte';
 
   import { Tooltip } from 'flowbite-svelte';
-  import CircleHelp from '@lucide/svelte/icons/circle-help';
+  import CircleQuestionMark from '@lucide/svelte/icons/circle-question-mark';
 
   import { TOOLTIP_CLASS_BASE } from '$lib/constants/tailwind-helper';
 
@@ -25,6 +25,6 @@
   </Tooltip>
 
   <span id={titleId}>
-    <CircleHelp class="w-5 h-5 dark:text-gray-200" />
+    <CircleQuestionMark class="w-5 h-5 dark:text-gray-200" />
   </span>
 {/if}