diff --git .github/workflows/unit-tests.yml .github/workflows/unit-tests.yml
index cb42ba82f..536ca2611 100644
--- .github/workflows/unit-tests.yml
+++ .github/workflows/unit-tests.yml
@@ -19,7 +19,7 @@ jobs:
           - php: '7.4'
             wp_version: '6.0'
           - php: '7.4'
-            wp_version: '5.4'
+            wp_version: '5.7'
     env:
       WP_ENV_PHP_VERSION: ${{ matrix.php }}
       WP_VERSION: ${{ matrix.wp_version }}
@@ -59,7 +59,7 @@ jobs:
           composer-options: "--ignore-platform-reqs"
 
       - name: Adjust wp-phpunit version
-        run: if [ ${{ env.WP_VERSION }} == '5.4' ]; then composer require --dev "wp-phpunit/wp-phpunit:5.4"; fi
+        run: if [ ${{ env.WP_VERSION }} == '5.7' ]; then composer require --dev "wp-phpunit/wp-phpunit:5.7"; fi
 
       - name: Cache node modules
         uses: actions/cache@v2
diff --git bp-loader.php bp-loader.php
index 03286e7eb..bbd66ad90 100644
--- bp-loader.php
+++ bp-loader.php
@@ -20,7 +20,7 @@
  * Text Domain:       buddypress
  * Domain Path:       /bp-languages/
  * Requires PHP:      5.6
- * Requires at least: 5.4
+ * Requires at least: 5.7
  * Version:           11.0.0-alpha
  */
 
diff --git src/bp-loader.php src/bp-loader.php
index e35c02d70..59a2f1a65 100644
--- src/bp-loader.php
+++ src/bp-loader.php
@@ -20,7 +20,7 @@
  * Text Domain:       buddypress
  * Domain Path:       /bp-languages/
  * Requires PHP:      5.6
- * Requires at least: 5.4
+ * Requires at least: 5.7
  * Version:           11.0.0-alpha
  */
 
diff --git src/readme.txt src/readme.txt
index bad47db5a..8cf88654d 100644
--- src/readme.txt
+++ src/readme.txt
@@ -4,7 +4,7 @@ Tags:              profiles, groups, activity, direct messaging, notifications,
 License:           GNU General Public License v2 or later
 License URI:       https://www.gnu.org/licenses/gpl-2.0.html
 Requires PHP:      5.6
-Requires at least: 5.4
+Requires at least: 5.7
 Tested up to:      6.0
 Stable tag:        10.3.0