diff --git a/app/assets/javascripts/presign_progress.js b/app/assets/javascripts/presign_progress.js
index 5d80b2d8c..d7e5099b3 100644
--- a/app/assets/javascripts/presign_progress.js
+++ b/app/assets/javascripts/presign_progress.js
@@ -91,6 +91,14 @@ var AssemblyProgress = function(assembler, pDialogs) {
 
     // If the percent is already at 100%, no action is needed
     if (val >= 100) {
+      //if the user takes no action for an hour, refresh the presigned url
+      setTimeout( 
+        function(){
+          self.setProgressVal(90);
+          self.progress()
+        },
+        60000
+      );
       return;
     }