diff --git a/docs/how-to-guides/themes/global-settings-and-styles.md b/docs/how-to-guides/themes/global-settings-and-styles.md
index b8237ab3dc51a2..19e03c7280dee3 100644
--- a/docs/how-to-guides/themes/global-settings-and-styles.md
+++ b/docs/how-to-guides/themes/global-settings-and-styles.md
@@ -1036,7 +1036,7 @@ h3 {
 {% end %}
 ##### Element pseudo selectors
 
-Pseudo selectors `:hover`, `:focus`, `:focus-visible`, `:visited`, `:active`, `:link`, `:any-link` are supported by Gutenberg.
+Pseudo selectors `:hover`, `:focus`, `:focus-visible`, `:visited`, `:active`, `:link`, `:any-link`, `:placeholder` are supported by Gutenberg.
 
 ```json
 "elements": {
diff --git a/lib/class-wp-theme-json-gutenberg.php b/lib/class-wp-theme-json-gutenberg.php
index febaadd441e062..4f8c3a50668cf8 100644
--- a/lib/class-wp-theme-json-gutenberg.php
+++ b/lib/class-wp-theme-json-gutenberg.php
@@ -590,10 +590,12 @@ class WP_Theme_JSON_Gutenberg {
 	 * @since 6.1.0
 	 * @since 6.2.0 Added support for `:link` and `:any-link`.
 	 * @since 6.8.0 Added support for `:focus-visible`.
+	 * @since #.#.# Added support for `::placeholder`.
 	 */
 	const VALID_ELEMENT_PSEUDO_SELECTORS = array(
 		'link'   => array( ':link', ':any-link', ':visited', ':hover', ':focus', ':focus-visible', ':active' ),
 		'button' => array( ':link', ':any-link', ':visited', ':hover', ':focus', ':focus-visible', ':active' ),
+		'textInput' => array( ':hover', ':focus', ':focus-visible', '::placeholder' ),
 	);
 
 	/**
diff --git a/schemas/json/theme.json b/schemas/json/theme.json
index 026313e2379a1b..04d2b712f7e67f 100644
--- a/schemas/json/theme.json
+++ b/schemas/json/theme.json
@@ -1788,6 +1788,9 @@
 				},
 				":visited": {
 					"$ref": "#/definitions/stylesPropertiesComplete"
+				},
+				"::placeholder": {
+					"$ref": "#/definitions/stylesPropertiesComplete"
 				}
 			}
 		},
@@ -1816,7 +1819,8 @@
 				":focus-visible",
 				":hover",
 				":link",
-				":visited"
+				":visited",
+				"::placeholder"
 			]
 		},
 		"stylesElementsPropertiesComplete": {