diff --git a/wp-content/themes/twentyeleven/blocks.css b/wp-content/themes/twentyeleven/blocks.css
index a4da8c83ee..65f176c1bd 100644
--- a/wp-content/themes/twentyeleven/blocks.css
+++ b/wp-content/themes/twentyeleven/blocks.css
@@ -30,7 +30,7 @@ figure[class^="wp-block-"] {
 	font-size: 12px;
 }
 
-[class^="wp-block-"]:not(.wp-block-gallery) figcaption {
+[class^="wp-block-"]:not(.wp-block-gallery) > figcaption {
 	color: #666;
 	margin-bottom: 1.625em;
 	max-width: 96%;
@@ -40,7 +40,7 @@ figure[class^="wp-block-"] {
 	text-align: left;
 }
 
-[class^="wp-block-"]:not(.wp-block-gallery) figcaption:before {
+[class^="wp-block-"]:not(.wp-block-gallery) > figcaption:before {
 	color: #666;
 	content: '\2014';
 	font-size: 14px;
@@ -52,13 +52,13 @@ figure[class^="wp-block-"] {
 	top: 0;
 }
 
-.rtl [class^="wp-block-"]:not(.wp-block-gallery) figcaption {
+.rtl [class^="wp-block-"]:not(.wp-block-gallery) > figcaption {
 	padding-left: 0;
 	padding-right: 40px;
 	text-align: right;
 }
 
-.rtl [class^="wp-block-"]:not(.wp-block-gallery) figcaption:before {
+.rtl [class^="wp-block-"]:not(.wp-block-gallery) > figcaption:before {
 	left: 0;
 	margin-left: 5px;
 	margin-right: 0;
diff --git a/wp-content/themes/twentyseventeen/assets/css/blocks.css b/wp-content/themes/twentyseventeen/assets/css/blocks.css
index b3b077f587..65efb8378a 100644
--- a/wp-content/themes/twentyseventeen/assets/css/blocks.css
+++ b/wp-content/themes/twentyseventeen/assets/css/blocks.css
@@ -20,13 +20,13 @@ Description: Used to style blocks.
 
 /* Captions */
 
-[class^="wp-block-"]:not(.wp-block-gallery) figcaption {
+[class^="wp-block-"]:not(.wp-block-gallery) > figcaption {
 	font-style: italic;
 	margin-bottom: 1.5em;
 	text-align: left;
 }
 
-.rtl [class^="wp-block-"]:not(.wp-block-gallery) figcaption {
+.rtl [class^="wp-block-"]:not(.wp-block-gallery) > figcaption {
 	text-align: right;
 }
 
diff --git a/wp-content/themes/twentyten/blocks.css b/wp-content/themes/twentyten/blocks.css
index 0bceba13bf..b439e24eaf 100644
--- a/wp-content/themes/twentyten/blocks.css
+++ b/wp-content/themes/twentyten/blocks.css
@@ -20,7 +20,7 @@ Description: Used to style blocks.
 
 /* Captions */
 
-[class^="wp-block-"]:not(.wp-block-gallery) figcaption {
+[class^="wp-block-"]:not(.wp-block-gallery) > figcaption {
 	color: #777;
 	font-family: "Helvetica Neue", Arial, Helvetica, "Nimbus Sans L", sans-serif;
 }
diff --git a/wp-content/themes/twentyten/editor-blocks.css b/wp-content/themes/twentyten/editor-blocks.css
index bdf98220f8..d315ee240e 100644
--- a/wp-content/themes/twentyten/editor-blocks.css
+++ b/wp-content/themes/twentyten/editor-blocks.css
@@ -149,7 +149,7 @@ Description: Used to style blocks in the editor.
 
 /* Caption styles */
 
-[class^="wp-block-"] figcaption {
+[class^="wp-block-"]:not(.wp-block-gallery) > figcaption {
 	color: #777;
 	font-family: "Helvetica Neue", Arial, Helvetica, "Nimbus Sans L", sans-serif;
 }
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 64b11a1c85..79b51375a9 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.7-alpha-58633';
+$wp_version = '6.7-alpha-58634';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.