diff --git a/.github/workflows/install-current-plugin.yml b/.github/workflows/install-current-plugin.yml
index 4992b54..f19df95 100644
--- a/.github/workflows/install-current-plugin.yml
+++ b/.github/workflows/install-current-plugin.yml
@@ -18,7 +18,7 @@ jobs:
       fail-fast: false
       matrix:
         php-versions: ['7.4', '8.0', '8.1', '8.2']
-        wordpress-versions: ['5.8', '5.9', '6.0', '6.1', '6.2', '6.3', 'latest', 'nightly']
+        wordpress-versions: ['5.8', '5.9', '6.0', '6.1', '6.2', '6.3', '6.4', 'latest', 'nightly']
         experimental: [false]
         # Uncomment for testing other experimental version combinations
         # include:
diff --git a/.github/workflows/install-plugin.yml b/.github/workflows/install-plugin.yml
index ef0ed36..d5bf37a 100644
--- a/.github/workflows/install-plugin.yml
+++ b/.github/workflows/install-plugin.yml
@@ -19,7 +19,7 @@ jobs:
       fail-fast: false
       matrix:
         php-versions: ['7.4', '8.0', '8.1', '8.2']
-        wordpress-versions: ['5.8', '5.9', '6.0', '6.1', '6.2', '6.3', 'latest', 'nightly']
+        wordpress-versions: ['5.8', '5.9', '6.0', '6.1', '6.2', '6.3', '6.4', 'latest', 'nightly']
         experimental: [false]
         # Uncomment for testing other experimental version combinations
         # include:
diff --git a/.github/workflows/wordpress-plugin-deploy.yml b/.github/workflows/wordpress-plugin-deploy.yml
index 4cd5938..dce4960 100755
--- a/.github/workflows/wordpress-plugin-deploy.yml
+++ b/.github/workflows/wordpress-plugin-deploy.yml
@@ -13,7 +13,7 @@ jobs:
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
         with:
-          php-version: '8.0'
+          php-version: '8.2'
           tools: composer
       - name: Build
         run: composer update
diff --git a/readme.txt b/readme.txt
index 4573533..5b4fd15 100644
--- a/readme.txt
+++ b/readme.txt
@@ -1,7 +1,7 @@
 # PlatformInfo #
 Contributors: newtovaux
 Tags: platforminfo, platform, info, shared-hosting, phpinfo
-Tested up to: 6.3
+Tested up to: 6.4
 Stable tag: 1.2.5
 License: GPLv2
 License URI: https://www.gnu.org/licenses/gpl-2.0.html