diff --git a/src/sources/file.rs b/src/sources/file.rs
index b51a123583a7b..d9dac055b39b7 100644
--- a/src/sources/file.rs
+++ b/src/sources/file.rs
@@ -380,7 +380,7 @@ mod tests {
     }
 
     fn sleep() {
-        std::thread::sleep(std::time::Duration::from_millis(50));
+        std::thread::sleep(std::time::Duration::from_millis(500));
     }
 
     #[test]