diff --git a/types/index.d.ts b/types/index.d.ts
index f79b72f7d..0b8e99a9c 100644
--- a/types/index.d.ts
+++ b/types/index.d.ts
@@ -211,6 +211,7 @@ declare namespace nock {
     badheaders?: string[]
     filteringScope?: { (scope: string): boolean }
     encodedQueryParams?: boolean
+    conditionally?: () => boolean
   }
 
   interface Recorder {