diff --git a/packages/graphql-playground-react/src/types.ts b/packages/graphql-playground-react/src/types.ts
index 872048522..c7de9b112 100644
--- a/packages/graphql-playground-react/src/types.ts
+++ b/packages/graphql-playground-react/src/types.ts
@@ -19,4 +19,5 @@ export interface ISettings {
   ['editor.theme']: Theme
   ['editor.reuseHeaders']: boolean
   ['tracing.hideTracingResponse']: boolean
+  ['request.credentials']: "omit" | "include" | "same-origin"
 }