diff --git a/app/models/dependency.rb b/app/models/dependency.rb
index dd347c1f..a55308d3 100644
--- a/app/models/dependency.rb
+++ b/app/models/dependency.rb
@@ -1,7 +1,9 @@
 class Dependency < ActiveRecord::Base
 
-  belongs_to :predecessor, :foreign_key => 'predecessor_id', :class_name => 'Todo'
-  belongs_to :successor,   :foreign_key => 'successor_id',   :class_name => 'Todo'
+  # touch to make sure todo caches for predecessor and successor are invalidated
+  
+  belongs_to :predecessor, :foreign_key => 'predecessor_id', :class_name => 'Todo', :touch => true
+  belongs_to :successor,   :foreign_key => 'successor_id',   :class_name => 'Todo', :touch => true
   
 end
 
diff --git a/app/views/contexts/_context.html.erb b/app/views/contexts/_context.html.erb
index e8221951..f6b940c9 100644
--- a/app/views/contexts/_context.html.erb
+++ b/app/views/contexts/_context.html.erb
@@ -1,6 +1,8 @@
 <%
 @not_done = @not_done_todos.select {|t| t.context_id == context.id }
-cache [context, @source_view] do
+# invalidate the cache every day because of staleness or
+# rendering of "due in x days" that change without touching updated at of the todo
+cache [context, @source_view, current_user.date.strftime("%Y%m%d")] do
 %>
   <div id="c<%= context.id %>" class="container context" style="display:<%= (collapsible && @not_done.empty?) ? "none" : "block" %>">
     <h2>
diff --git a/app/views/projects/_project.html.erb b/app/views/projects/_project.html.erb
index 1f1b68ca..0f93bd8f 100644
--- a/app/views/projects/_project.html.erb
+++ b/app/views/projects/_project.html.erb
@@ -1,4 +1,7 @@
-<% cache project do %>
+<%
+# invalidate the cache every day because of staleness or
+# rendering of "due in x days" that change without touching updated at of the todo
+cache [project, current_user.date.strftime("%Y%m%d")] do %>
   <div class="container">
     <h2 id="project_name_container">
       <% if collapsible -%>