diff --git a/wp-content/themes/twentynineteen/sass/blocks/_blocks.scss b/wp-content/themes/twentynineteen/sass/blocks/_blocks.scss
index 395375a17b..72822b1263 100644
--- a/wp-content/themes/twentynineteen/sass/blocks/_blocks.scss
+++ b/wp-content/themes/twentynineteen/sass/blocks/_blocks.scss
@@ -215,6 +215,9 @@
 		&.is-style-outline .wp-block-button__link:hover {
 			color: white;
 			border-color: $color__background-button-hover;
+			&:not(.has-background) {
+				color: $color__background-button-hover;
+			}
 		}
 	}
 
diff --git a/wp-content/themes/twentynineteen/style-rtl.css b/wp-content/themes/twentynineteen/style-rtl.css
index 9cf3d84360..c5ca35cdd5 100644
--- a/wp-content/themes/twentynineteen/style-rtl.css
+++ b/wp-content/themes/twentynineteen/style-rtl.css
@@ -3664,6 +3664,10 @@ body.page .main-navigation {
   border-color: #111;
 }
 
+.entry .entry-content .wp-block-button.is-style-outline .wp-block-button__link:hover:not(.has-background) {
+  color: #111;
+}
+
 .entry .entry-content .wp-block-archives,
 .entry .entry-content .wp-block-categories,
 .entry .entry-content .wp-block-latest-posts {
diff --git a/wp-content/themes/twentynineteen/style.css b/wp-content/themes/twentynineteen/style.css
index ae1dc49e98..6d593e38f1 100644
--- a/wp-content/themes/twentynineteen/style.css
+++ b/wp-content/themes/twentynineteen/style.css
@@ -3676,6 +3676,10 @@ body.page .main-navigation {
   border-color: #111;
 }
 
+.entry .entry-content .wp-block-button.is-style-outline .wp-block-button__link:hover:not(.has-background) {
+  color: #111;
+}
+
 .entry .entry-content .wp-block-archives,
 .entry .entry-content .wp-block-categories,
 .entry .entry-content .wp-block-latest-posts {
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 553d011846..5d73be06ab 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.1-alpha-44369';
+$wp_version = '5.1-alpha-44370';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.