diff --git a/src/wp-content/themes/twentyeleven/readme.txt b/src/wp-content/themes/twentyeleven/readme.txt
index 8cd20b29d5..6ae8a5d9f5 100644
--- a/src/wp-content/themes/twentyeleven/readme.txt
+++ b/src/wp-content/themes/twentyeleven/readme.txt
@@ -1,7 +1,7 @@
 === Twenty Eleven ===
 Contributors: wordpressdotorg
 Requires at least: WordPress 3.2
-Tested up to: 5.0
+Tested up to: 5.5
 Stable tag: 3.4
 License: GPLv2 or later
 License URI: http://www.gnu.org/licenses/gpl-2.0.html
diff --git a/src/wp-content/themes/twentyfifteen/readme.txt b/src/wp-content/themes/twentyfifteen/readme.txt
index 7184a8bd72..8d6eb5e5df 100644
--- a/src/wp-content/themes/twentyfifteen/readme.txt
+++ b/src/wp-content/themes/twentyfifteen/readme.txt
@@ -1,7 +1,7 @@
 === Twenty Fifteen ===
 Contributors: wordpressdotorg
 Requires at least: WordPress 4.1
-Tested up to: 5.0
+Tested up to: 5.5
 Version: 2.6
 License: GPLv2 or later
 License URI: http://www.gnu.org/licenses/gpl-2.0.html
diff --git a/src/wp-content/themes/twentyfourteen/readme.txt b/src/wp-content/themes/twentyfourteen/readme.txt
index c53f3463df..4d546677ce 100644
--- a/src/wp-content/themes/twentyfourteen/readme.txt
+++ b/src/wp-content/themes/twentyfourteen/readme.txt
@@ -1,7 +1,7 @@
 === Twenty Fourteen ===
 Contributors: wordpressdotorg
 Requires at least: WordPress 3.6
-Tested up to: 5.0
+Tested up to: 5.5
 Stable tag: 2.8
 License: GPLv2 or later
 License URI: http://www.gnu.org/licenses/gpl-2.0.html
diff --git a/src/wp-content/themes/twentynineteen/readme.txt b/src/wp-content/themes/twentynineteen/readme.txt
index 6cd243cc71..8688af7e52 100644
--- a/src/wp-content/themes/twentynineteen/readme.txt
+++ b/src/wp-content/themes/twentynineteen/readme.txt
@@ -2,7 +2,7 @@
 Contributors: wordpressdotorg
 Tags: one-column, flexible-header, accessibility-ready, custom-colors, custom-menu, custom-logo, editor-style, featured-images, footer-widgets, rtl-language-support, sticky-post, threaded-comments, translation-ready
 Requires at least: 4.9.6
-Tested up to: 5.0
+Tested up to: 5.5
 Stable tag: 1.5
 License: GPLv2 or later
 License URI: http://www.gnu.org/licenses/gpl-2.0.html
diff --git a/src/wp-content/themes/twentyseventeen/readme.txt b/src/wp-content/themes/twentyseventeen/readme.txt
index 79ba8051f2..1c0ae62e3d 100644
--- a/src/wp-content/themes/twentyseventeen/readme.txt
+++ b/src/wp-content/themes/twentyseventeen/readme.txt
@@ -1,6 +1,6 @@
 === Twenty Seventeen ===
 Contributors: wordpressdotorg
-Tested up to: 5.0
+Tested up to: 5.5
 Version: 2.3
 License: GPLv2 or later
 License URI: http://www.gnu.org/licenses/gpl-2.0.html
diff --git a/src/wp-content/themes/twentysixteen/readme.txt b/src/wp-content/themes/twentysixteen/readme.txt
index 0de9136bc8..8db02d2cde 100644
--- a/src/wp-content/themes/twentysixteen/readme.txt
+++ b/src/wp-content/themes/twentysixteen/readme.txt
@@ -1,6 +1,6 @@
 === Twenty Sixteen ===
 Contributors: wordpressdotorg
-Tested up to: 5.0
+Tested up to: 5.5
 Version: 2.1
 License: GPLv2 or later
 License URI: http://www.gnu.org/licenses/gpl-2.0.html
diff --git a/src/wp-content/themes/twentyten/readme.txt b/src/wp-content/themes/twentyten/readme.txt
index 9ff478d252..80cba294ab 100644
--- a/src/wp-content/themes/twentyten/readme.txt
+++ b/src/wp-content/themes/twentyten/readme.txt
@@ -1,6 +1,6 @@
 === Twenty Ten ===
 Contributors: wordpressdotorg
-Tested up to: 5.0
+Tested up to: 5.5
 Stable tag: 3.0
 License: GPLv2 or later
 License URI: http://www.gnu.org/licenses/gpl-2.0.html
diff --git a/src/wp-content/themes/twentythirteen/readme.txt b/src/wp-content/themes/twentythirteen/readme.txt
index ee83cfd8eb..725365bd4c 100644
--- a/src/wp-content/themes/twentythirteen/readme.txt
+++ b/src/wp-content/themes/twentythirteen/readme.txt
@@ -1,6 +1,6 @@
 === Twenty Thirteen ===
 Contributors: wordpressdotorg
-Tested up to: 5.0
+Tested up to: 5.5
 Stable tag: 3.0
 License: GPLv2 or later
 License URI: http://www.gnu.org/licenses/gpl-2.0.html
diff --git a/src/wp-content/themes/twentytwelve/readme.txt b/src/wp-content/themes/twentytwelve/readme.txt
index 4f210a617c..96e51fd66d 100644
--- a/src/wp-content/themes/twentytwelve/readme.txt
+++ b/src/wp-content/themes/twentytwelve/readme.txt
@@ -1,6 +1,6 @@
 === Twenty Twelve ===
 Contributors: wordpressdotorg
-Tested up to: 5.0
+Tested up to: 5.5
 Stable tag: 3.1
 License: GPLv2 or later
 License URI: http://www.gnu.org/licenses/gpl-2.0.html
diff --git a/src/wp-content/themes/twentytwenty/readme.txt b/src/wp-content/themes/twentytwenty/readme.txt
index b85ade1471..ad59a4e9c6 100644
--- a/src/wp-content/themes/twentytwenty/readme.txt
+++ b/src/wp-content/themes/twentytwenty/readme.txt
@@ -1,6 +1,6 @@
 === Twenty Twenty ===
 Contributors: the WordPress team
-Tested up to: 5.3
+Tested up to: 5.5
 Stable tag: 1.2
 License: GPLv2 or later
 License URI: http://www.gnu.org/licenses/gpl-2.0.html