diff --git a/app/views/my/menus/show.html.erb b/app/views/my/menus/show.html.erb
index cb3e6310e..5bff2f387 100644
--- a/app/views/my/menus/show.html.erb
+++ b/app/views/my/menus/show.html.erb
@@ -9,6 +9,6 @@
   <% end %>
 
   <footer class="nav__footer">
-    <strong class="txt-nowrap"><a href="https://www.fizzy.do" target="_blank" class="txt-ink"><%= icon_tag "fizzy", class: "v-align-middle" %> Fizzy™</a></strong> is designed, built, and backed by <strong class="txt-nowrap"><a href="https://37signals.com" target="_blank" class="txt-ink"><%= icon_tag "37signals", class: "v-align-middle" %> 37signals™</a></strong>
+    <strong class="txt-nowrap"><a href="https://www.fizzy.do" target="_blank" rel="noopener noreferrer" class="txt-ink"><%= icon_tag "fizzy", class: "v-align-middle" %> Fizzy™</a></strong> is designed, built, and backed by <strong class="txt-nowrap"><a href="https://37signals.com" target="_blank" rel="noopener noreferrer" class="txt-ink"><%= icon_tag "37signals", class: "v-align-middle" %> 37signals™</a></strong>
   </footer>
 <% end %>
diff --git a/app/views/public/_footer.html.erb b/app/views/public/_footer.html.erb
index a9b5d1853..a68dce8ed 100644
--- a/app/views/public/_footer.html.erb
+++ b/app/views/public/_footer.html.erb
@@ -1,3 +1,3 @@
 <div class="txt-align-center center margin-block-double txt-subtle txt-small">
-  <strong class="txt-nowrap"><a href="https://www.fizzy.do" target="_blank" class="txt-subtle"><%= icon_tag "fizzy", class: "v-align-middle" %> Fizzy™</a></strong> is designed, built, and backed by <strong class="txt-nowrap"><%= icon_tag "37signals", class: "v-align-middle" %> <a href="https://37signals.com" target="_blank" class="txt-subtle">37signals</a></strong>.
+  <strong class="txt-nowrap"><a href="https://www.fizzy.do" target="_blank" rel="noopener noreferrer" class="txt-subtle"><%= icon_tag "fizzy", class: "v-align-middle" %> Fizzy™</a></strong> is designed, built, and backed by <strong class="txt-nowrap"><%= icon_tag "37signals", class: "v-align-middle" %> <a href="https://37signals.com" target="_blank" rel="noopener noreferrer" class="txt-subtle">37signals</a></strong>.
 </div>
diff --git a/app/views/sessions/_footer.html.erb b/app/views/sessions/_footer.html.erb
index e538532d7..d4a00acab 100644
--- a/app/views/sessions/_footer.html.erb
+++ b/app/views/sessions/_footer.html.erb
@@ -1,4 +1,4 @@
 <div class="pad-inline txt-align-center center margin-block-double txt-subtle txt-small">
-  <strong class="txt-nowrap"><a href="https://www.fizzy.do" target="_blank" class="txt-subtle"><%= icon_tag "fizzy", class: "v-align-middle" %> Fizzy™</a></strong> is designed, built, and backed by <strong class="txt-nowrap"><%= icon_tag "37signals", class: "v-align-middle" %> <a href="https://37signals.com" target="_blank" class="txt-subtle">37signals™</a></strong>.
+  <strong class="txt-nowrap"><a href="https://www.fizzy.do" target="_blank" rel="noopener noreferrer" class="txt-subtle"><%= icon_tag "fizzy", class: "v-align-middle" %> Fizzy™</a></strong> is designed, built, and backed by <strong class="txt-nowrap"><%= icon_tag "37signals", class: "v-align-middle" %> <a href="https://37signals.com" target="_blank" rel="noopener noreferrer" class="txt-subtle">37signals™</a></strong>.
   Need help? <%= mail_to "support@fizzy.do", "Send us an email", class: "txt-link" %>.
-</div>
\ No newline at end of file
+</div>