diff --git a/assets/CHANGELOG.xlsx b/assets/CHANGELOG.xlsx
index 2779321..c08a637 100644
Binary files a/assets/CHANGELOG.xlsx and b/assets/CHANGELOG.xlsx differ
diff --git a/scripts/altium365_part_request.py b/scripts/altium365_part_request.py
index 0d9e3d0..c4dd574 100644
--- a/scripts/altium365_part_request.py
+++ b/scripts/altium365_part_request.py
@@ -112,13 +112,13 @@ def _add_parameters(driver, params):
 
 
 def _attach_files(driver, files):
-    files = [f for f in (files or []) if f and os.path.exists(f)]
-    if not files:
-        return [], [f for f in (files or []) if f and not os.path.exists(f)]
-    inp = _wait(driver, EC.presence_of_element_located((By.ID, "fileupload")))
-    inp.send_keys("\n".join(os.path.abspath(f) for f in files))   # multi-file input
-    time.sleep(1.0)
-    return files, []
+    present = [f for f in (files or []) if f and os.path.exists(f)]
+    missing = [f for f in (files or []) if f and not os.path.exists(f)]
+    for f in present:                                  # one at a time so multiple files accumulate
+        inp = _wait(driver, EC.presence_of_element_located((By.ID, "fileupload")))
+        inp.send_keys(os.path.abspath(f))
+        time.sleep(0.8)
+    return present, missing
 
 
 def submit_request(driver, base, req, no_submit=False):