diff --git a/wp-content/themes/twentynineteen/sass/media/_media.scss b/wp-content/themes/twentynineteen/sass/media/_media.scss
index 64e652716d..f395c15084 100644
--- a/wp-content/themes/twentynineteen/sass/media/_media.scss
+++ b/wp-content/themes/twentynineteen/sass/media/_media.scss
@@ -20,9 +20,7 @@ object {
 .avatar {
 	border-radius: 100%;
 	display: block;
-	height: auto;
 	min-height: inherit;
-	width: auto;
 }
 
 svg {
diff --git a/wp-content/themes/twentynineteen/sass/site/primary/_comments.scss b/wp-content/themes/twentynineteen/sass/site/primary/_comments.scss
index e8b22180f3..a527348d56 100644
--- a/wp-content/themes/twentynineteen/sass/site/primary/_comments.scss
+++ b/wp-content/themes/twentynineteen/sass/site/primary/_comments.scss
@@ -205,8 +205,10 @@
 
 		.avatar {
 			float: left;
+			height: calc(2.25 * #{$size__spacing-unit});
 			margin-right: $size__spacing-unit;
 			position: relative;
+			width: calc(2.25 * #{$size__spacing-unit});
 
 			@include media(tablet) {
 				float: inherit;
diff --git a/wp-content/themes/twentynineteen/style-rtl.css b/wp-content/themes/twentynineteen/style-rtl.css
index 7a3fffcbb0..c0ba37a3e3 100644
--- a/wp-content/themes/twentynineteen/style-rtl.css
+++ b/wp-content/themes/twentynineteen/style-rtl.css
@@ -4776,8 +4776,10 @@ body.page .main-navigation {
 
 .comment .comment-author .avatar {
   float: right;
+  height: calc(2.25 * 1rem);
   margin-left: 1rem;
   position: relative;
+  width: calc(2.25 * 1rem);
 }
 
 @media only screen and (min-width: 768px) {
@@ -6482,9 +6484,7 @@ object {
 .avatar {
   border-radius: 100%;
   display: block;
-  height: auto;
   min-height: inherit;
-  width: auto;
 }
 
 svg {
diff --git a/wp-content/themes/twentynineteen/style.css b/wp-content/themes/twentynineteen/style.css
index c57ba48b9c..db4a36376d 100644
--- a/wp-content/themes/twentynineteen/style.css
+++ b/wp-content/themes/twentynineteen/style.css
@@ -4782,8 +4782,10 @@ body.page .main-navigation {
 
 .comment .comment-author .avatar {
   float: left;
+  height: calc(2.25 * 1rem);
   margin-right: 1rem;
   position: relative;
+  width: calc(2.25 * 1rem);
 }
 
 @media only screen and (min-width: 768px) {
@@ -6494,9 +6496,7 @@ object {
 .avatar {
   border-radius: 100%;
   display: block;
-  height: auto;
   min-height: inherit;
-  width: auto;
 }
 
 svg {
diff --git a/wp-includes/version.php b/wp-includes/version.php
index d158ba26b6..10485fcccc 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.7-beta2-59220';
+$wp_version = '6.7-beta2-59222';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.