diff --git a/CHANGELOG.md b/CHANGELOG.md
index 12223f3b..1ad129b4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,13 @@ All notable changes to this project will be documented in this file, per [the Ke
 
 ## [Unreleased] - TBD
 
+## [2.2.2] - 2023-11-21
+### Changed
+- Bump WordPress "tested up to" version 6.4 (props [@qasumitbagthariya](https://github.com/qasumitbagthariya), [@jeffpaul](https://github.com/jeffpaul) via [#162](https://github.com/10up/safe-svg/pull/162), [#163](https://github.com/10up/safe-svg/pull/163)).
+
+### Fixed
+- Ensure CSS applies properly to the SVG Icon block when added via `theme.json` (props [@tobeycodes](https://github.com/tobeycodes), [@dkotter](https://github.com/dkotter) via [#161](https://github.com/10up/safe-svg/pull/161)).
+
 ## [2.2.1] - 2023-10-23
 ### Changed
 - Update to `apiVersion` 3 for our SVG Icon block (props [@fabiankaegy](https://github.com/fabiankaegy), [@ravinderk](https://github.com/ravinderk), [@jeffpaul](https://github.com/jeffpaul), [@dkotter](https://github.com/dkotter) via [#133](https://github.com/10up/safe-svg/pull/133)).
@@ -298,6 +305,7 @@ All notable changes to this project will be documented in this file, per [the Ke
 - Initial Release.
 
 [Unreleased]: https://github.com/10up/safe-svg/compare/trunk...develop
+[2.2.2]: https://github.com/10up/safe-svg/compare/2.2.1...2.2.2
 [2.2.1]: https://github.com/10up/safe-svg/compare/2.2.0...2.2.1
 [2.2.0]: https://github.com/10up/safe-svg/compare/2.1.1...2.2.0
 [2.1.1]: https://github.com/10up/safe-svg/compare/2.1.0...2.1.1
diff --git a/CREDITS.md b/CREDITS.md
index e6c6bae6..7c4adc46 100644
--- a/CREDITS.md
+++ b/CREDITS.md
@@ -12,7 +12,7 @@ The following individuals are responsible for curating the list of issues, respo
 
 Thank you to all the people who have already contributed to this repository via bug reports, code, design, ideas, project management, translation, testing, etc.
 
-[Daryll Doyle (@darylldoyle)](https://github.com/darylldoyle), [Lewis Cowles (@LewisCowles1986)](https://github.com/LewisCowles1986), [Daniel M. Hendricks (@dmhendricks)](https://github.com/dmhendricks), [Dan Pock (@mallardduck)](https://github.com/mallardduck), [K. Adam White (@kadamwhite)](https://github.com/kadamwhite), [Joe Hoyle (@joehoyle)](https://github.com/joehoyle), [Jeffrey Paul (@jeffpaul)](https://github.com/jeffpaul), [Brandon Berg (@BBerg10up)](https://github.com/BBerg10up), [Max Lyuchin (@cadic)](https://github.com/cadic), [Mehidi Hassan (@mehidi258)](https://github.com/mehidi258), [Dharmesh Patel (@iamdharmesh)](https://github.com/iamdharmesh), [Timothy Decker (@amdd-tim)](https://github.com/amdd-tim), [Brooke Campbell](https://www.linkedin.com/in/brookecampbelldesign/), [Mehul Kaklotar (@mehulkaklotar)](https://github.com/mehulkaklotar), [@smerriman](https://github.com/smerriman), [Darin Kotter (@dkotter)](https://github.com/dkotter), [Manuel Friedli (@fritteli)](https://github.com/fritteli), [David Hamann (@davidhamann)](https://github.com/davidhamann), [@j-hoffmann](https://github.com/j-hoffmann), [Peter Wilson (@peterwilsoncc)](https://github.com/peterwilsoncc), [Torsten Landsiedel (@Zodiac1978)](https://github.com/Zodiac1978), [Axel DUCORON (@aksld)](https://github.com/aksld), [Mario Rader (@r8r)](https://github.com/r8r), [Jeremy Turowetz (@jerturowetz)](https://github.com/jerturowetz), [Robert O'Rourke (@roborourke)](https://github.com/roborourke), [Dominik Schilling (@ocean90)](https://github.com/ocean90), [Adam Wills (@AdamWills)](https://github.com/AdamWills), [Faisal Alvi (@faisal-alvi)](https://github.com/faisal-alvi), [Siddharth Thevaril (@Sidsector9)](https://github.com/Sidsector9), [Cory Hughart (@cr0ybot)](https://github.com/cr0ybot),  [Cory Birdsong (@cbirdsong)](https://github.com/cbirdsong), [Vikram Moparthy (@vikrampm1)](https://github.com/vikrampm1), [Garth Gutenberg (@ggutenberg)](https://github.com/ggutenberg), [Jayedul Kabir (@jayedul)](https://github.com/jayedul), [Marcel Freinbichler (@freinbichler)](https://github.com/freinbichler), [IanDelMar (@IanDelMar)](https://github.com/IanDelMar), [Ravinder Kumar (@ravinderk)](https://github.com/ravinderk), [GitHub Dependabot (@dependabot)](https://github.com/apps/dependabot), [Santiago Dimattia (@sdmtt)](https://github.com/sdmtt), [Ben Marshall (@bmarshall511)](https://github.com/bmarshall511), [Viktor Szépe (@szepeviktor)](https://github.com/szepeviktor), [Dhanendran Rajagopal (@dhanendran)](https://github.com/dhanendran), [Curtis Loisel (@csloisel)](https://github.com/csloisel), [Giorgos Sarigiannidis (@gsarig)](https://github.com/gsarig), [Fabian Kägy (@fabiankaegy)](https://github.com/fabiankaegy), [Quamruz Zaman (@zamanq)](https://github.com/zamanq).
+[Daryll Doyle (@darylldoyle)](https://github.com/darylldoyle), [Lewis Cowles (@LewisCowles1986)](https://github.com/LewisCowles1986), [Daniel M. Hendricks (@dmhendricks)](https://github.com/dmhendricks), [Dan Pock (@mallardduck)](https://github.com/mallardduck), [K. Adam White (@kadamwhite)](https://github.com/kadamwhite), [Joe Hoyle (@joehoyle)](https://github.com/joehoyle), [Jeffrey Paul (@jeffpaul)](https://github.com/jeffpaul), [Brandon Berg (@BBerg10up)](https://github.com/BBerg10up), [Max Lyuchin (@cadic)](https://github.com/cadic), [Mehidi Hassan (@mehidi258)](https://github.com/mehidi258), [Dharmesh Patel (@iamdharmesh)](https://github.com/iamdharmesh), [Timothy Decker (@amdd-tim)](https://github.com/amdd-tim), [Brooke Campbell](https://www.linkedin.com/in/brookecampbelldesign/), [Mehul Kaklotar (@mehulkaklotar)](https://github.com/mehulkaklotar), [@smerriman](https://github.com/smerriman), [Darin Kotter (@dkotter)](https://github.com/dkotter), [Manuel Friedli (@fritteli)](https://github.com/fritteli), [David Hamann (@davidhamann)](https://github.com/davidhamann), [@j-hoffmann](https://github.com/j-hoffmann), [Peter Wilson (@peterwilsoncc)](https://github.com/peterwilsoncc), [Torsten Landsiedel (@Zodiac1978)](https://github.com/Zodiac1978), [Axel DUCORON (@aksld)](https://github.com/aksld), [Mario Rader (@r8r)](https://github.com/r8r), [Jeremy Turowetz (@jerturowetz)](https://github.com/jerturowetz), [Robert O'Rourke (@roborourke)](https://github.com/roborourke), [Dominik Schilling (@ocean90)](https://github.com/ocean90), [Adam Wills (@AdamWills)](https://github.com/AdamWills), [Faisal Alvi (@faisal-alvi)](https://github.com/faisal-alvi), [Siddharth Thevaril (@Sidsector9)](https://github.com/Sidsector9), [Cory Hughart (@cr0ybot)](https://github.com/cr0ybot),  [Cory Birdsong (@cbirdsong)](https://github.com/cbirdsong), [Vikram Moparthy (@vikrampm1)](https://github.com/vikrampm1), [Garth Gutenberg (@ggutenberg)](https://github.com/ggutenberg), [Jayedul Kabir (@jayedul)](https://github.com/jayedul), [Marcel Freinbichler (@freinbichler)](https://github.com/freinbichler), [IanDelMar (@IanDelMar)](https://github.com/IanDelMar), [Ravinder Kumar (@ravinderk)](https://github.com/ravinderk), [GitHub Dependabot (@dependabot)](https://github.com/apps/dependabot), [Santiago Dimattia (@sdmtt)](https://github.com/sdmtt), [Ben Marshall (@bmarshall511)](https://github.com/bmarshall511), [Viktor Szépe (@szepeviktor)](https://github.com/szepeviktor), [Dhanendran Rajagopal (@dhanendran)](https://github.com/dhanendran), [Curtis Loisel (@csloisel)](https://github.com/csloisel), [Giorgos Sarigiannidis (@gsarig)](https://github.com/gsarig), [Fabian Kägy (@fabiankaegy)](https://github.com/fabiankaegy), [Quamruz Zaman (@zamanq)](https://github.com/zamanq), [Sumit Bagthariya (@qasumitbagthariya)](https://github.com/qasumitbagthariya), [Toby Schrapel (@tobeycodes)](https://github.com/tobeycodes).
 
 ## Libraries
 
diff --git a/includes/blocks/safe-svg/edit.js b/includes/blocks/safe-svg/edit.js
index 1d66d0bc..ac224c9c 100644
--- a/includes/blocks/safe-svg/edit.js
+++ b/includes/blocks/safe-svg/edit.js
@@ -48,7 +48,7 @@ const SafeSvgBlockEdit = ( props ) => {
 	} = attributes;
 	const blockProps = useBlockProps(
 		{
-			className:` safe-svg-cover`,
+			className:` wp-block-safe-svg-svg-icon safe-svg-cover`,
 			style: {
 				textAlign: alignment,
 			}
diff --git a/includes/blocks/safe-svg/register.php b/includes/blocks/safe-svg/register.php
index 4e625aa1..b54895c5 100644
--- a/includes/blocks/safe-svg/register.php
+++ b/includes/blocks/safe-svg/register.php
@@ -67,7 +67,7 @@ function render_block_callback( $attributes ) {
 	return apply_filters(
 		'safe_svg_inline_markup',
 		sprintf(
-			'<div class="safe-svg-cover" style="text-align: %s;">
+			'<div class="wp-block-safe-svg-svg-icon safe-svg-cover" style="text-align: %s;">
 				<div class="safe-svg-inside %s%s" style="width: %spx; height: %spx; background-color: var(--wp--preset--color--%s); color: var(--wp--preset--color--%s); padding-top: %s; padding-right: %s; padding-bottom: %s; padding-left: %s; margin-top: %s; margin-right: %s; margin-bottom: %s; margin-left: %s;">%s</div>
 			</div>',
 			isset( $attributes['alignment'] ) ? esc_attr( $attributes['alignment'] ) : 'left',
diff --git a/package-lock.json b/package-lock.json
index 0581a569..a5eec80f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@10up/safe-svg",
-  "version": "2.2.1",
+  "version": "2.2.2",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@10up/safe-svg",
-      "version": "2.2.1",
+      "version": "2.2.2",
       "license": "GPL-2.0-or-later",
       "dependencies": {
         "cypress-mochawesome-reporter": "^3.4.0",
diff --git a/package.json b/package.json
index 16debd90..9d5ac0f4 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@10up/safe-svg",
-  "version": "2.2.1",
+  "version": "2.2.2",
   "description": "Enable SVG uploads and sanitize them to stop XML/SVG vulnerabilities in your WordPress website",
   "homepage": "https://github.com/10up/safe-svg#readme",
   "license": "GPL-2.0-or-later",
diff --git a/readme.txt b/readme.txt
index df1265db..d58fc0b5 100644
--- a/readme.txt
+++ b/readme.txt
@@ -3,7 +3,7 @@ Contributors:      10up, enshrined, jeffpaul
 Tags:              svg, sanitize, upload, sanitise, security, svg upload, image, vector, file, graphic, media, mime
 Requires at least: 5.7
 Tested up to:      6.4
-Stable tag:        2.2.1
+Stable tag:        2.2.2
 Requires PHP:      7.4
 License:           GPLv2 or later
 License URI:       http://www.gnu.org/licenses/gpl-2.0.html
@@ -66,6 +66,10 @@ They take one argument that must be returned. See below for examples:
 
 == Changelog ==
 
+= 2.2.2 - 2023-11-21 =
+* **Changed:** Bump WordPress "tested up to" version 6.4 (props [@qasumitbagthariya](https://github.com/qasumitbagthariya), [@jeffpaul](https://github.com/jeffpaul) via [#162](https://github.com/10up/safe-svg/pull/162), [#163](https://github.com/10up/safe-svg/pull/163)).
+* **Fixed:** Ensure CSS applies properly to the SVG Icon block when added via `theme.json` (props [@tobeycodes](https://github.com/tobeycodes), [@dkotter](https://github.com/dkotter) via [#161](https://github.com/10up/safe-svg/pull/161)).
+
 = 2.2.1 - 2023-10-23 =
 * **Changed:** Update to `apiVersion` 3 for our SVG Icon block (props [@fabiankaegy](https://github.com/fabiankaegy), [@ravinderk](https://github.com/ravinderk), [@jeffpaul](https://github.com/jeffpaul), [@dkotter](https://github.com/dkotter) via [#133](https://github.com/10up/safe-svg/pull/133)).
 * **Fixed:** Address an error due to the SVG Icon block using the `fill-rule` attribute (props [@zamanq](https://github.com/zamanq), [@jeffpaul](https://github.com/jeffpaul), [@iamdharmesh](https://github.com/iamdharmesh) via [#152](https://github.com/10up/safe-svg/pull/152)).
diff --git a/safe-svg.php b/safe-svg.php
index 94b7dcb0..3493aab6 100644
--- a/safe-svg.php
+++ b/safe-svg.php
@@ -3,7 +3,7 @@
  * Plugin Name:       Safe SVG
  * Plugin URI:        https://wordpress.org/plugins/safe-svg/
  * Description:       Enable SVG uploads and sanitize them to stop XML/SVG vulnerabilities in your WordPress website
- * Version:           2.2.1
+ * Version:           2.2.2
  * Requires at least: 5.7
  * Requires PHP:      7.4
  * Author:            10up
@@ -24,7 +24,7 @@
 	exit; // Exit if accessed directly.
 }
 
-define( 'SAFE_SVG_VERSION', '2.2.1' );
+define( 'SAFE_SVG_VERSION', '2.2.2' );
 define( 'SAFE_SVG_PLUGIN_DIR', __DIR__ );
 define( 'SAFE_SVG_PLUGIN_URL', plugin_dir_url( __FILE__ ) );