diff --git a/google/colab/output/_widgets.py b/google/colab/output/_widgets.py
index b9c83b52..d5f1c0b4 100644
--- a/google/colab/output/_widgets.py
+++ b/google/colab/output/_widgets.py
@@ -16,7 +16,7 @@
 import IPython as _IPython
 
 _supported_widgets_versions = {
-    '5.0.0a': 'b3e629b1971e1542',
+    '5.0.0a': '2b70e893a8ba7c0f',
 }
 _default_version = '5.0.0a'
 _installed_url = None