diff --git a/.github/workflows/migration-test.yml b/.github/workflows/migration-test.yml
index 553dc03..62dbcb3 100644
--- a/.github/workflows/migration-test.yml
+++ b/.github/workflows/migration-test.yml
@@ -133,10 +133,10 @@ jobs:
           ref: ${{ github.base_ref == 'main' && 'master' || github.base_ref }}
           persist-credentials: false
 
-      - name: Set up php 8.2
+      - name: Set up php 8.3
         uses: shivammathur/setup-php@7c071dfe9dc99bdf297fa79cb49ea005b9fcadbc # 2.37.1
         with:
-          php-version: '8.2'
+          php-version: '8.3'
           extensions: ${{ env.PHP_EXTENSIONS }}
           coverage: none
           ini-file: development
diff --git a/lib/Migration/Version005003002Date20260320093628.php b/lib/Migration/Version005003002Date20260320093628.php
index 11bd1a7..5853164 100644
--- a/lib/Migration/Version005003002Date20260320093628.php
+++ b/lib/Migration/Version005003002Date20260320093628.php
@@ -88,8 +88,10 @@ public function changeSchema(IOutput $output, Closure $schemaClosure, array $opt
 
 		if ($schema->hasTable('context_chat_content_queue')) {
 			$table = $schema->getTable('context_chat_content_queue');
-			$table->addUniqueIndex(['app_id', 'provider_id', 'item_id'], 'ccc_q_provider');
-			$schemaChanged = true;
+			if (!$table->hasIndex('ccc_q_provider')) {
+				$table->addUniqueIndex(['app_id', 'provider_id', 'item_id'], 'ccc_q_provider');
+				$schemaChanged = true;
+			}
 		}
 
 		return $schemaChanged ? $schema : null;