diff --git a/flow-typed/npm/lolex_v2.x.x.js b/flow-typed/npm/lolex_v2.x.x.js
index ed0789f79dac..62f677d8e4d8 100644
--- a/flow-typed/npm/lolex_v2.x.x.js
+++ b/flow-typed/npm/lolex_v2.x.x.js
@@ -44,6 +44,7 @@ declare module 'lolex' {
     uninstall(): Object[];
     Date: typeof Date;
     Performance: typeof Performance;
+    countTimers(): number;
   }
   declare module.exports: lolex;
 }