diff --git a/app/assets/stylesheets/participation.scss b/app/assets/stylesheets/participation.scss
index b22544315..b7d0510b5 100644
--- a/app/assets/stylesheets/participation.scss
+++ b/app/assets/stylesheets/participation.scss
@@ -336,7 +336,8 @@
 .draft-panels,
 .debate-questions,
 .communities-show,
-.topic-show {
+.topic-show,
+.milestone-content {
 
   p {
     word-wrap: break-word;
diff --git a/app/controllers/admin/budget_investment_milestones_controller.rb b/app/controllers/admin/budget_investment_milestones_controller.rb
index 6fc18d084..d648a3193 100644
--- a/app/controllers/admin/budget_investment_milestones_controller.rb
+++ b/app/controllers/admin/budget_investment_milestones_controller.rb
@@ -44,7 +44,8 @@ class Admin::BudgetInvestmentMilestonesController < Admin::BaseController
   def milestone_params
     params.require(:budget_investment_milestone)
           .permit(:title, :description, :publication_date, :budget_investment_id,
-                  image_attributes: [:id, :title, :attachment, :cached_attachment, :user_id, :_destroy])
+                  image_attributes: [:id, :title, :attachment, :cached_attachment, :user_id, :_destroy]),
+                  documents_attributes: [:id, :title, :attachment, :cached_attachment, :user_id, :_destroy])
   end
 
   def load_budget_investment
diff --git a/app/models/budget/investment/milestone.rb b/app/models/budget/investment/milestone.rb
index 1e3177a23..13724be21 100644
--- a/app/models/budget/investment/milestone.rb
+++ b/app/models/budget/investment/milestone.rb
@@ -2,6 +2,10 @@ class Budget
   class Investment
     class Milestone < ActiveRecord::Base
       include Imageable
+      include Documentable
+      documentable max_documents_allowed: 3,
+                   max_file_size: 3.megabytes,
+                   accepted_content_types: [ "application/pdf" ]
 
       belongs_to :investment
 
diff --git a/app/views/admin/budget_investment_milestones/_form.html.erb b/app/views/admin/budget_investment_milestones/_form.html.erb
index 9da2937d3..93cd31f63 100644
--- a/app/views/admin/budget_investment_milestones/_form.html.erb
+++ b/app/views/admin/budget_investment_milestones/_form.html.erb
@@ -8,5 +8,10 @@
 
   <%= render 'images/admin_image', imageable: @milestone, f: f %>
 
+  <hr>
+  <div class="documents">
+    <%= render 'documents/nested_documents', documentable: @milestone, f: f %>
+  </div>
+
   <%= f.submit nil, class: "button success" %>
 <% end %>
diff --git a/app/views/admin/budget_investments/_milestones.html.erb b/app/views/admin/budget_investments/_milestones.html.erb
index 0fc6e890d..6f30f8ad2 100644
--- a/app/views/admin/budget_investments/_milestones.html.erb
+++ b/app/views/admin/budget_investments/_milestones.html.erb
@@ -7,6 +7,7 @@
         <th><%= t("admin.milestones.index.table_description") %></th>
         <th><%= t("admin.milestones.index.table_publication_date") %></th>
         <th><%= t("admin.milestones.index.image") %></th>
+        <th><%= t("admin.milestones.index.documents") %></th>
         <th><%= t("admin.milestones.index.table_actions") %></th>
       </tr>
     </thead>
@@ -29,6 +30,16 @@
                         milestone.image_url(:large),
                         target: :_blank if milestone.image.present? %>
           </td>
+          <td class="small">
+            <% if milestone.documents.present? %>
+              <% milestone.documents.each do |document| %>
+                <%= link_to document.title,
+                              document.attachment.url,
+                              target: "_blank",
+                              rel: "nofollow" %><br>
+              <% end %>
+            <% end %>
+          </td>
           <td>
             <%= link_to t("admin.milestones.index.delete"),
                         admin_budget_budget_investment_budget_investment_milestone_path(@investment.budget,
diff --git a/app/views/budgets/investments/_milestones.html.erb b/app/views/budgets/investments/_milestones.html.erb
index ae700008d..8065b6142 100644
--- a/app/views/budgets/investments/_milestones.html.erb
+++ b/app/views/budgets/investments/_milestones.html.erb
@@ -20,6 +20,20 @@
                 <% end %>
                 <%= image_tag(milestone.image_url(:large), { alt: milestone.image.title, class: "margin", id: "image_#{milestone.id}" }) if milestone.image.present? %>
                 <p><%= milestone.description %></p>
+                <% if milestone.documents.present? %>
+                  <div class="document-link text-center">
+                    <p>
+                      <span class="icon-document"></span>&nbsp;
+                      <strong><%= t('proposals.show.title_external_url') %></strong>
+                    </p>
+                    <% milestone.documents.each do |document| %>
+                      <%= link_to document.title,
+                              document.attachment.url,
+                              target: "_blank",
+                              rel: "nofollow" %><br>
+                    <% end %>
+                  </div>
+                <% end %>
               </div>
             </li>
           <% end %>
diff --git a/config/locales/en/admin.yml b/config/locales/en/admin.yml
index c6e14779a..071d9c6a4 100644
--- a/config/locales/en/admin.yml
+++ b/config/locales/en/admin.yml
@@ -199,6 +199,7 @@ en:
         no_milestones: "Don't have defined milestones"
         image: "Image"
         show_image: "Show image"
+        documents: "Documents"
       new:
         creating: Create milestone
       edit:
diff --git a/config/locales/es/admin.yml b/config/locales/es/admin.yml
index f3f5503f8..688d878e1 100644
--- a/config/locales/es/admin.yml
+++ b/config/locales/es/admin.yml
@@ -199,6 +199,7 @@ es:
         no_milestones: "No hay hitos definidos"
         image: "Imagen"
         show_image: "Ver imagen"
+        documents: "Documentos"
       new:
         creating: Crear hito
       edit:
diff --git a/spec/features/admin/budget_investment_milestones_spec.rb b/spec/features/admin/budget_investment_milestones_spec.rb
index c7dde7371..0b198f6ab 100644
--- a/spec/features/admin/budget_investment_milestones_spec.rb
+++ b/spec/features/admin/budget_investment_milestones_spec.rb
@@ -12,6 +12,8 @@ feature 'Admin budget investment milestones' do
   context "Index" do
     scenario 'Displaying milestones' do
       milestone = create(:budget_investment_milestone, investment: @investment)
+      create(:image, imageable: milestone)
+      document = create(:document, documentable: milestone)
 
       visit admin_budget_budget_investment_path(@investment.budget, @investment)
 
@@ -19,6 +21,8 @@ feature 'Admin budget investment milestones' do
       expect(page).to have_content(milestone.title)
       expect(page).to have_content(milestone.id)
       expect(page).to have_content(milestone.publication_date.to_date)
+      expect(page).to have_link 'Show image'
+      expect(page).to have_link document.title
     end
 
     scenario 'Displaying no_milestones text' do
@@ -63,11 +67,13 @@ feature 'Admin budget investment milestones' do
   end
 
   context "Edit" do
-    scenario "Change title and description" do
+    scenario "Change title, description and document names" do
       milestone = create(:budget_investment_milestone, investment: @investment)
       create(:image, imageable: milestone)
+      document = create(:document, documentable: milestone)
 
       visit admin_budget_budget_investment_path(@investment.budget, @investment)
+      expect(page).to have_link document.title
 
       click_link milestone.title
 
@@ -76,6 +82,7 @@ feature 'Admin budget investment milestones' do
       fill_in 'budget_investment_milestone_title', with: 'Changed title'
       fill_in 'budget_investment_milestone_description', with: 'Changed description'
       fill_in 'budget_investment_milestone_publication_date', with: Time.zone.today.to_date
+      fill_in 'budget_investment_milestone_documents_attributes_0_title', with: 'New document title'
 
       click_button 'Update milestone'
 
@@ -83,6 +90,7 @@ feature 'Admin budget investment milestones' do
       expect(page).to have_content 'Changed description'
       expect(page).to have_content Time.zone.today.to_date
       expect(page).to have_link 'Show image'
+      expect(page).to have_link 'New document title'
     end
   end
 
diff --git a/spec/features/budgets/investments_spec.rb b/spec/features/budgets/investments_spec.rb
index fd0f80b2c..dc0fd4feb 100644
--- a/spec/features/budgets/investments_spec.rb
+++ b/spec/features/budgets/investments_spec.rb
@@ -503,6 +503,7 @@ feature 'Budget Investments' do
     investment = create(:budget_investment)
     milestone = create(:budget_investment_milestone, investment: investment, title: "New text to show")
     image = create(:image, imageable: milestone)
+    document = create(:document, documentable: milestone)
 
     login_as(user)
     visit budget_investment_path(budget_id: investment.budget.id, id: investment.id)
@@ -514,6 +515,7 @@ feature 'Budget Investments' do
       expect(page).to have_content(milestone.description)
       expect(page).to have_content(Time.zone.today.to_date)
       expect(page.find("#image_#{milestone.id}")['alt']).to have_content image.title
+      expect(page).to have_link document.title
     end
   end