diff --git a/Sources/LassoTestUtilities/ControllerLifecycle.swift b/Sources/LassoTestUtilities/ControllerLifecycle.swift
index fb1f72a..7b3113a 100644
--- a/Sources/LassoTestUtilities/ControllerLifecycle.swift
+++ b/Sources/LassoTestUtilities/ControllerLifecycle.swift
@@ -207,7 +207,7 @@ extension XCTestCase {
     
     internal func expectMainQueueExhaustion() -> XCTestExpectation {
         let exhaustion = expectation(description: "main queue exhaustion")
-        DispatchQueue.main.asyncAfter(deadline: .now() + 0.1, execute: {
+        DispatchQueue.main.asyncAfter(deadline: .now() + .leastNormalMagnitude, execute: {
             exhaustion.fulfill()
         })
         return exhaustion