diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 93bbe7e4..1901bfab 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        php-version: ['8.0', '8.1', '8.2', '8.3']
+        php-version: ['8.1', '8.2', '8.3']
 
     steps:
     - uses: actions/checkout@v4
diff --git a/pantheon.upstream.yml b/pantheon.upstream.yml
index 7c2d1219..337f906e 100644
--- a/pantheon.upstream.yml
+++ b/pantheon.upstream.yml
@@ -2,9 +2,9 @@ api_version: 1
 web_docroot: true
 # See https://pantheon.io/docs/pantheon-yml/#enforce-https--hsts for valid values.
 enforce_https: transitional
-php_version: 8.1
+php_version: 8.2
 database:
-  version: 10.4
+  version: 10.6
 build_step: true
 filemount: /app/uploads
 protected_web_paths:
diff --git a/upstream-configuration/scripts/ComposerScripts.php b/upstream-configuration/scripts/ComposerScripts.php
index bd093bc4..07cb923e 100644
--- a/upstream-configuration/scripts/ComposerScripts.php
+++ b/upstream-configuration/scripts/ComposerScripts.php
@@ -63,6 +63,17 @@ public static function applyComposerJsonUpdates(Event $event)
             $composerJson['config']['platform']['php'] = $updatedPlatformPhpVersion;
         }
 
+        // Check to see if the PHP version in the require section of composer.json matches the pantheon.yml PHP version.
+        // If it does not, update it to match the PHP version defined in pantheon.yml.
+        $requirePhpVersion = static::getCurrentRequirePhp($composerJson);
+        if ($requirePhpVersion && false === stripos($requirePhpVersion, $pantheonPhpVersion)) {
+            $strippedRequirePhpVersion = str_replace( '>=', '', $requirePhpVersion);
+            if (version_compare($strippedRequirePhpVersion, '8.1', '<')) {
+                $io->write("<info>Setting require.php from '$requirePhpVersion' to '>=$pantheonPhpVersion' to conform to pantheon php version.</info>");
+                $composerJson['require']['php'] = ">=$pantheonPhpVersion";
+            }
+        }
+
         // add our post-update-cmd hook if it's not already present
         $our_hook = 'WordPressComposerManaged\\ComposerScripts::postUpdate';
         // if does not exist, add as an empty arry
@@ -123,6 +134,18 @@ public static function jsonEncodePretty(array $data)
         return $prettyContents;
     }
 
+    /**
+     * Get the current require.php value.
+     */
+    private static function getCurrentRequirePhp($composerJson)
+    {
+        $require = $composerJson['require'];
+        if (isset($require['php'])) {
+            return $require['php'];
+        }
+        return null;
+    }
+
     /**
      * Get current platform.php value.
      */