diff --git a/server/migrations/moveBucket.js b/server/migrations/moveBucket.js
index 6b8c0ba9..b1bc9b1d 100644
--- a/server/migrations/moveBucket.js
+++ b/server/migrations/moveBucket.js
@@ -24,11 +24,27 @@ mongoose.connection.on('error', () => {
 //   },
 // });
 
+const CHUNK = 1000;
 Project.count({})
-.exec().then((err, count) => {
-  console.log(err);
-  console.log(count);
-  process.exit(0);
+.exec().then((numProjects) => {
+  console.log(numProjects);
+  for (let i = 0; i < numProjects; i += CHUNK) {
+    await Project.find({}).skip(i).limit(CHUNK).exec()
+      .then((err, projects) => {
+        projects.forEach((project, projectIndex) => {
+          console.log(project.name);
+          project.files.forEach((file, fileIndex) => {
+            if (file.url && file.url.includes('p5.js-webeditor')) {
+              file.url = file.url.replace('p5.js-webeditor', process.env.S3_BUCKET);
+            }
+            project.save((err, savedProject) => {
+              console.log(`updated file ${file.url}`);
+              process.exit(0);
+            });
+          });
+        });
+      });    
+  }
 });
 
 // Project.find({}, (err, projects) => {