diff --git a/package.json b/package.json
index 1b4fba6..8187355 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@rmdes/indiekit-endpoint-microsub",
-  "version": "1.0.47",
+  "version": "1.0.48",
   "description": "Microsub endpoint for Indiekit. Enables subscribing to feeds and reading content using the Microsub protocol.",
   "keywords": [
     "indiekit",
diff --git a/views/actor.njk b/views/actor.njk
index 6b7c8c7..9623275 100644
--- a/views/actor.njk
+++ b/views/actor.njk
@@ -38,14 +38,14 @@
       </div>
       <div class="ms-actor-profile__actions">
         <a href="{{ actor.url }}" class="button button--secondary button--small" target="_blank" rel="noopener">
-          {{ icon("external") }} View profile
+          {{ icon("syndicate") }} View profile
         </a>
         {% if canFollow %}
           {% if isFollowing %}
           <form action="{{ baseUrl }}/actor/unfollow" method="POST" style="display: inline;">
             <input type="hidden" name="actorUrl" value="{{ actorUrl }}">
             <button type="submit" class="button button--secondary button--small">
-              {{ icon("checkboxChecked") }} Following
+              {{ icon("tick") }} Following
             </button>
           </form>
           {% else %}
@@ -152,7 +152,7 @@
         {# Actions #}
         <div class="ms-item-actions">
           <a href="{{ item.url }}" class="ms-item-actions__button" target="_blank" rel="noopener" title="View original">
-            {{ icon("external") }}
+            {{ icon("syndicate") }}
           </a>
           <a href="{{ baseUrl }}/compose?reply={{ item.url | urlencode }}" class="ms-item-actions__button" title="Reply">
             {{ icon("reply") }}
diff --git a/views/channel.njk b/views/channel.njk
index 1975991..df28d7c 100644
--- a/views/channel.njk
+++ b/views/channel.njk
@@ -10,7 +10,7 @@
           <input type="hidden" name="channel" value="{{ channel.uid }}">
           <input type="hidden" name="entry" value="last-read-entry">
           <button type="submit" class="button button--secondary button--small">
-            {{ icon("checkboxChecked") }} {{ __("microsub.reader.markAllRead") }}
+            {{ icon("tick") }} {{ __("microsub.reader.markAllRead") }}
           </button>
         </form>
         {% endif %}
@@ -58,7 +58,7 @@
     {% else %}
     <div class="ms-reader__empty">
       {% if readCount > 0 and not showRead %}
-      {{ icon("checkboxChecked") }}
+      {{ icon("tick") }}
       <p>{{ __("microsub.reader.allRead") }}</p>
       <a href="{{ baseUrl }}/channels/{{ channel.uid }}?showRead=true" class="button button--secondary">
         {{ icon("show") }} {{ __("microsub.reader.showRead", { count: readCount }) }}
diff --git a/views/item.njk b/views/item.njk
index f27009d..7dc2e5d 100644
--- a/views/item.njk
+++ b/views/item.njk
@@ -130,7 +130,7 @@
     <footer class="ms-item__actions">
       {% if item.url %}
       <a href="{{ item.url }}" class="button button--secondary button--small" target="_blank" rel="noopener">
-        {{ icon("external") }} {{ __("microsub.item.viewOriginal") }}
+        {{ icon("syndicate") }} {{ __("microsub.item.viewOriginal") }}
       </a>
       {% endif %}
       <a href="{{ baseUrl }}/compose?reply={{ item.url | urlencode }}" class="button button--secondary button--small">
@@ -150,7 +150,7 @@
               class="button button--secondary button--small ms-item__mark-read"
               data-item-id="{{ item._id }}"
               data-channel="{{ channel.uid }}">
-        {{ icon("checkboxChecked") }} {{ __("microsub.timeline.markRead") }}
+        {{ icon("tick") }} {{ __("microsub.timeline.markRead") }}
       </button>
       {% endif %}
     </footer>
diff --git a/views/partials/item-card.njk b/views/partials/item-card.njk
index 0137388..4354152 100644
--- a/views/partials/item-card.njk
+++ b/views/partials/item-card.njk
@@ -158,7 +158,7 @@
     {% endif %}
     {% if item.url %}
     <a href="{{ item.url }}" class="ms-item-actions__button" target="_blank" rel="noopener" title="View original">
-      {{ icon("external") }}
+      {{ icon("syndicate") }}
       <span class="-!-visually-hidden">Original</span>
     </a>
     {% endif %}
@@ -188,7 +188,7 @@
               {% if item._channelUid %}data-channel-uid="{{ item._channelUid }}"{% endif %}
               {% if item._channelId %}data-channel-id="{{ item._channelId }}"{% endif %}
               title="Mark as read">
-        {{ icon("checkboxChecked") }}
+        {{ icon("tick") }}
         <span class="-!-visually-hidden">Mark read</span>
       </button>
       <button type="button"
@@ -213,7 +213,7 @@
             {% if item._channelUid %}data-channel-uid="{{ item._channelUid }}"{% endif %}
             {% if item._channelId %}data-channel-id="{{ item._channelId }}"{% endif %}
             title="Mark as read">
-      {{ icon("checkboxChecked") }}
+      {{ icon("tick") }}
       <span class="-!-visually-hidden">Mark read</span>
     </button>
     {% endif %}