diff --git a/test/async/context.cpp b/test/async/context.cpp
index afae280..6e688c7 100644
--- a/test/async/context.cpp
+++ b/test/async/context.cpp
@@ -92,7 +92,7 @@
 
     EXPECT_TRUE(ran);
     EXPECT_GT(stop - start, timeout);
-    EXPECT_LT(stop - start, timeout * 2);
+    EXPECT_LT(stop - start, timeout * 3);
 }
 
 TEST_F(Context, SpawnRecursiveTask)
diff --git a/test/async/timer.cpp b/test/async/timer.cpp
index dfa95a6..07e7de7 100644
--- a/test/async/timer.cpp
+++ b/test/async/timer.cpp
@@ -21,5 +21,5 @@
     auto stop = std::chrono::steady_clock::now();
 
     EXPECT_GT(stop - start, timeout);
-    EXPECT_LT(stop - start, timeout * 2);
+    EXPECT_LT(stop - start, timeout * 3);
 }
diff --git a/test/event/event.cpp b/test/event/event.cpp
index 382b92b..123cb4f 100644
--- a/test/event/event.cpp
+++ b/test/event/event.cpp
@@ -21,7 +21,7 @@
     auto stop = std::chrono::steady_clock::now();
 
     EXPECT_TRUE(stop - start > timeout);
-    EXPECT_TRUE(stop - start < timeout * 2);
+    EXPECT_TRUE(stop - start < timeout * 3);
 }
 
 TEST_F(Event, Runnable)
@@ -78,5 +78,5 @@
 
     EXPECT_TRUE(ran);
     EXPECT_TRUE(stop - start > timeout);
-    EXPECT_TRUE(stop - start < timeout * 2);
+    EXPECT_TRUE(stop - start < timeout * 3);
 }