diff --git a/typings/index.d.ts b/typings/index.d.ts
index da83dbfa9..3bafed234 100644
--- a/typings/index.d.ts
+++ b/typings/index.d.ts
@@ -12,7 +12,7 @@ declare namespace CodeceptJS {
 
   type Cookie = {
     name: string;
-    value: string;
+    value: string | boolean;
     domain?: string,
     path?: string,
   };