diff --git a/runtime/tests/preemption/test_fibonacci_multiple.json b/runtime/tests/preemption/test_fibonacci_multiple.json
index c64899d..4a11ba3 100644
--- a/runtime/tests/preemption/test_fibonacci_multiple.json
+++ b/runtime/tests/preemption/test_fibonacci_multiple.json
@@ -17,7 +17,7 @@
   "name": "fibonacci2",
   "path": "fibonacci_wasm.so",
   "port": 10001,
-  "relative-deadline-us": 8000,
+  "relative-deadline-us": 20000,
   "argsize": 1,
   "http-req-headers": [],
   "http-req-content-type": "text/plain",