diff --git a/includes/sanitizers/class-amp-allowed-tags-generated.php b/includes/sanitizers/class-amp-allowed-tags-generated.php
index 0b555f87f76..84247fae904 100644
--- a/includes/sanitizers/class-amp-allowed-tags-generated.php
+++ b/includes/sanitizers/class-amp-allowed-tags-generated.php
@@ -2216,6 +2216,11 @@ class AMP_Allowed_Tags_Generated {
 					'data-player-id' => array(
 						'mandatory' => true,
 					),
+					'dock' => array(
+						'requires_extension' => array(
+							'amp-video-docking',
+						),
+					),
 					'media' => array(),
 					'noloading' => array(
 						'value' => array(
@@ -6262,7 +6267,7 @@ class AMP_Allowed_Tags_Generated {
 							5,
 						),
 					),
-					'mandatory_parent' => 'amp-story-grid-layer',
+					'mandatory_ancestor' => 'amp-story-grid-layer',
 					'requires_extension' => array(
 						'amp-story-audio-sticker',
 					),
@@ -13599,7 +13604,7 @@ class AMP_Allowed_Tags_Generated {
 					'crossorigin' => array(),
 					'href' => array(
 						'mandatory' => true,
-						'value_regex' => 'https:\\/\\/cdn\\.materialdesignicons\\.com\\/([0-9]+\\.?)+\\/css\\/materialdesignicons\\.min\\.css|https:\\/\\/cloud\\.typography\\.com\\/[0-9]*\\/[0-9]*\\/css\\/fonts\\.css|https:\\/\\/fast\\.fonts\\.net\\/.*|https:\\/\\/fonts\\.googleapis\\.com\\/css2?\\?.*|https:\\/\\/fonts\\.googleapis\\.com\\/icon\\?.*|https:\\/\\/fonts\\.googleapis\\.com\\/earlyaccess\\/.*\\.css|https:\\/\\/maxcdn\\.bootstrapcdn\\.com\\/font-awesome\\/([0-9]+\\.?)+\\/css\\/font-awesome\\.min\\.css(\\?.*)?|https:\\/\\/(use|pro|kit)\\.fontawesome\\.com\\/releases\\/v([0-9]+\\.?)+\\/css\\/[0-9a-zA-Z-]+\\.css|https:\\/\\/(use|pro|kit)\\.fontawesome\\.com\\/[0-9a-zA-Z-]+\\.css|https:\\/\\/use\\.typekit\\.net\\/[\\w\\p{L}\\p{N}_]+\\.css',
+						'value_regex' => 'https:\\/\\/cdn\\.materialdesignicons\\.com\\/([0-9]+\\.?)+\\/css\\/materialdesignicons\\.min\\.css|https:\\/\\/cloud\\.typography\\.com\\/[0-9]*\\/[0-9]*\\/css\\/fonts\\.css|https:\\/\\/fast\\.fonts\\.net\\/.*|https:\\/\\/fonts\\.googleapis\\.com\\/css2?\\?.*|https:\\/\\/fonts\\.googleapis\\.com\\/icon\\?.*|https:\\/\\/fonts\\.googleapis\\.com\\/earlyaccess\\/.*\\.css|https:\\/\\/maxcdn\\.bootstrapcdn\\.com\\/font-awesome\\/([0-9]+\\.?)+\\/css\\/font-awesome\\.min\\.css(\\?.*)?|https:\\/\\/(use|pro|kit)\\.fontawesome\\.com\\/releases\\/v([0-9]+\\.?)+\\/css\\/[0-9a-zA-Z-]+\\.css|https:\\/\\/(use|pro|kit)\\.fontawesome\\.com\\/[0-9a-zA-Z-]+\\.css|https:\\/\\/use\\.typekit\\.net\\/[\\w\\p{L}\\p{N}_]+\\.css|https:\\/\\/cdnjs\\.cloudflare\\.com\\/ajax\\/libs\\/font-awesome\\/([0-9]+\\.?)+\\/css\\/[0-9a-zA-Z-]+\\.min\\.css',
 					),
 					'integrity' => array(),
 					'media' => array(),