diff --git a/app/assets/javascripts/polaris_view_components.js b/app/assets/javascripts/polaris_view_components.js
index 701cef5e..5f6c95f7 100644
--- a/app/assets/javascripts/polaris_view_components.js
+++ b/app/assets/javascripts/polaris_view_components.js
@@ -361,11 +361,11 @@ class Dropzone extends Controller {
     size: String
   };
   files=[];
-  acceptedFiles=[];
   rejectedFiles=[];
   _dragging=false;
   dragTargets=[];
   previewRendered=false;
+  _acceptedFiles=[];
   _size="large";
   connect() {
     document.body.addEventListener("click", this.onExternalTriggerClick);
@@ -686,6 +686,15 @@ class Dropzone extends Controller {
     sizeClassesToRemove.forEach((className => this.element.classList.remove(className)));
     this.element.classList.add(this.getSizeClass(val));
   }
+  get acceptedFiles() {
+    return this._acceptedFiles;
+  }
+  set acceptedFiles(val) {
+    this._acceptedFiles = val;
+    const list = new DataTransfer;
+    val.forEach((file => list.items.add(file)));
+    this.inputTarget.files = list.files;
+  }
 }
 
 function fileAccepted(file, accept) {
diff --git a/app/assets/javascripts/polaris_view_components/dropzone_controller.js b/app/assets/javascripts/polaris_view_components/dropzone_controller.js
index 8b8f02a6..83a0cce1 100644
--- a/app/assets/javascripts/polaris_view_components/dropzone_controller.js
+++ b/app/assets/javascripts/polaris_view_components/dropzone_controller.js
@@ -34,11 +34,12 @@ export default class extends Controller {
   }
 
   files = []
-  acceptedFiles = []
   rejectedFiles = []
   _dragging = false
   dragTargets = []
   previewRendered = false
+
+  _acceptedFiles = []
   _size = 'large'
 
   connect () {
@@ -452,6 +453,20 @@ export default class extends Controller {
 
     this.element.classList.add(this.getSizeClass(val))
   }
+
+  get acceptedFiles () {
+    return this._acceptedFiles
+  }
+
+  set acceptedFiles (val) {
+    this._acceptedFiles = val
+
+    const list = new DataTransfer()
+
+    val.forEach(file => list.items.add(file))
+
+    this.inputTarget.files = list.files
+  }
 }
 
 export function fileAccepted (file, accept) {
diff --git a/test/system/dropzone_component_test.rb b/test/system/dropzone_component_test.rb
index 99ee0431..c0671d79 100644
--- a/test/system/dropzone_component_test.rb
+++ b/test/system/dropzone_component_test.rb
@@ -18,6 +18,19 @@ def test_file_upload
     end
   end
 
+  def test_submiting_file
+    with_preview("rails/form_builder_component/dropzone")
+
+    within first("form") do
+      find(".Polaris-DropZone").drop(fixture_file("file.txt"))
+      assert_selector ".Polaris-DropZone__Preview > .Polaris-Stack > .Polaris-Stack__Item", count: 1
+
+      click_on "Submit"
+    end
+
+    assert_text "File: file.txt"
+  end
+
   def test_image_upload
     with_preview("forms/dropzone_component/with_image_upload")