diff --git a/Gemfile b/Gemfile
index f639e1491..aaa3f035b 100644
--- a/Gemfile
+++ b/Gemfile
@@ -43,6 +43,7 @@ gem 'react-rails'
 
 gem 'sidekiq'
 
+gem 'diffy'
 gem 'paper_trail'
 
 group :production do
diff --git a/Gemfile.lock b/Gemfile.lock
index b76b42c19..c3096711b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -60,7 +60,7 @@ GEM
       activerecord (>= 3.2, < 7.0)
       rake (>= 10.4, < 14.0)
     arel (9.0.0)
-    autoprefixer-rails (9.8.4)
+    autoprefixer-rails (9.8.5)
       execjs
     babel-source (5.8.35)
     babel-transpiler (0.7.0)
@@ -112,10 +112,11 @@ GEM
       responders
       warden (~> 1.2.3)
     diff-lcs (1.4.4)
-    dotenv (2.7.5)
-    dotenv-rails (2.7.5)
-      dotenv (= 2.7.5)
-      railties (>= 3.2, < 6.1)
+    diffy (3.3.0)
+    dotenv (2.7.6)
+    dotenv-rails (2.7.6)
+      dotenv (= 2.7.6)
+      railties (>= 3.2)
     draper (3.0.1)
       actionpack (~> 5.0)
       activemodel (~> 5.0)
@@ -129,10 +130,10 @@ GEM
     erubis (2.7.0)
     eventmachine (1.2.7)
     execjs (2.7.0)
-    factory_bot (6.0.2)
+    factory_bot (6.1.0)
       activesupport (>= 5.0.0)
-    factory_bot_rails (6.0.0)
-      factory_bot (~> 6.0.0)
+    factory_bot_rails (6.1.0)
+      factory_bot (~> 6.1.0)
       railties (>= 5.0.0)
     faker (2.13.0)
       i18n (>= 1.6, < 2)
@@ -218,12 +219,12 @@ GEM
     mini_portile2 (2.4.0)
     minitest (5.14.1)
     msgpack (1.3.3)
-    multi_json (1.14.1)
+    multi_json (1.15.0)
     multi_xml (0.6.0)
     multipart-post (2.1.1)
     nenv (0.3.0)
     nio4r (2.5.2)
-    nokogiri (1.10.9)
+    nokogiri (1.10.10)
       mini_portile2 (~> 2.4.0)
     notiffany (0.1.3)
       nenv (~> 0.1)
@@ -416,7 +417,7 @@ GEM
       rack-proxy (>= 0.6.1)
       railties (>= 5.2)
       semantic_range (>= 2.3.0)
-    websocket-driver (0.7.2)
+    websocket-driver (0.7.3)
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.5)
     xpath (3.2.0)
@@ -440,6 +441,7 @@ DEPENDENCIES
   country_select (~> 1.3)
   database_cleaner (~> 1.6)
   devise (~> 4.7)
+  diffy
   dotenv-rails
   draper (~> 3.0.1)
   factory_bot_rails
diff --git a/app/assets/stylesheets/modules/_proposal.scss b/app/assets/stylesheets/modules/_proposal.scss
index dd0de0d17..c996496a8 100644
--- a/app/assets/stylesheets/modules/_proposal.scss
+++ b/app/assets/stylesheets/modules/_proposal.scss
@@ -267,3 +267,9 @@ div.col-md-4 {
     padding-bottom: 0;
   }
 }
+
+.diff-view {
+  margin-bottom: 10px;
+  padding-bottom: 10px;
+  border-bottom: 1px solid grey;
+}
diff --git a/app/helpers/proposal_helper.rb b/app/helpers/proposal_helper.rb
index d803eb528..05ab74d3a 100644
--- a/app/helpers/proposal_helper.rb
+++ b/app/helpers/proposal_helper.rb
@@ -1,4 +1,11 @@
 module ProposalHelper
+  def diff(content1, content2)
+     changes = Diffy::Diff.new(content1, content2,
+                               include_plus_and_minus_in_html: true,
+                               include_diff_info: true)
+     changes.to_s.present? ? changes.to_s(:html).html_safe : 'No Changes'
+  end
+
   def rating_tooltip
       <<-HTML
       <p><strong>Ratings Guide</strong></p>
diff --git a/app/views/proposals/_contents.html.haml b/app/views/proposals/_contents.html.haml
index e847dc688..bc83da51f 100644
--- a/app/views/proposals/_contents.html.haml
+++ b/app/views/proposals/_contents.html.haml
@@ -22,3 +22,14 @@
       %div
       = value.capitalize
       %div
+
+- unless proposal.changeset_fields.blank?
+  %h2.fieldset-legend Proposal Diff...
+  - proposal.versions.each do |version|
+    #diff-view
+      - version.changeset.each do |k, (old, new)|
+        %h3.control-label= k.titleize
+        %div= diff old, new
+
+:css
+  = #{Diffy::CSS}