diff --git a/symposion/proposals/views.py b/symposion/proposals/views.py
index e7d65f4463af61788f66b95df5fc2707210cef44..fe7aec96311a239521a4f413df952e30ceecbed5 100644
--- a/symposion/proposals/views.py
+++ b/symposion/proposals/views.py
@@ -187,6 +187,16 @@ def proposal_edit(request, pk):
         form = form_class(request.POST, instance=proposal)
         if form.is_valid():
             form.save()
+            if hasattr(proposal, "reviews"):
+                for review in proposal.reviews.distinct("user"):
+                    ctx = {
+                        "user": request.user,
+                        "proposal": proposal,
+                    }
+                    send_email(
+                        [review.user.email], "proposal_updated",
+                        context=ctx
+                    )
             messages.success(request, "Proposal updated.")
             return redirect("proposal_detail", proposal.pk)
     else:
diff --git a/symposion/templates/emails/proposal_updated/message.html b/symposion/templates/emails/proposal_updated/message.html
new file mode 100644
index 0000000000000000000000000000000000000000..f272407413352f36063385f8434f22e31789743e
--- /dev/null
+++ b/symposion/templates/emails/proposal_updated/message.html
@@ -0,0 +1,8 @@
+{% load account_tags %}
+<p>
+    <b>{% user_display user %}</b> has made changes to <b>{{ proposal.title }}</b> which you have previously reviewed.
+</p>
+<p>
+    {% url review_detail proposal.pk as detail_url %}
+    View the latest version of the proposal online at <a href="http://{{ current_site }}{{ detail_url }}">http://{{ current_site }}{{ detail_url }}</a>
+</p>
\ No newline at end of file
diff --git a/symposion/templates/emails/proposal_updated/subject.txt b/symposion/templates/emails/proposal_updated/subject.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ba9117c13375c18fc813fb1f3adaaf72e718e8df
--- /dev/null
+++ b/symposion/templates/emails/proposal_updated/subject.txt
@@ -0,0 +1 @@
+{% load account_tags %}"{{ proposal.title }}" has been updated by {% user_display user %}
\ No newline at end of file