diff --git a/supportedsites.md b/supportedsites.md
index c2d7b4555..b62afe94c 100644
--- a/supportedsites.md
+++ b/supportedsites.md
@@ -1327,6 +1327,7 @@ # Supported sites
  - **ShahidShow**
  - **SharePoint**
  - **ShareVideosEmbed**
+ - **Shiey**
  - **ShemarooMe**
  - **ShowRoomLive**
  - **ShugiinItvLive**: 衆議院インターネット審議中継
diff --git a/yt_dlp/extractor/vimeo.py b/yt_dlp/extractor/vimeo.py
index 09497b699..c2022298f 100644
--- a/yt_dlp/extractor/vimeo.py
+++ b/yt_dlp/extractor/vimeo.py
@@ -403,6 +403,7 @@ class VimeoIE(VimeoBaseInfoExtractor):
         r'<embed[^>]+?src=(["\'])(?P<url>(?:https?:)?//(?:www\.)?vimeo\.com/moogaloop\.swf.+?)\1',
         # Non-standard embedded Vimeo player
         r'<video[^>]+src=(["\'])(?P<url>(?:https?:)?//(?:www\.)?vimeo\.com/[0-9]+)\1',
+        r'iframe src=\\&quot;(?P<url>(https?://player\.vimeo\.com/video/[^\\&]+))',
     ]
     _TESTS = [
         {