diff --git a/tests/metrics/cmd/checkmetrics/ci_worker/checkmetrics-json-qemu-kata-metric8.toml b/tests/metrics/cmd/checkmetrics/ci_worker/checkmetrics-json-qemu-kata-metric8.toml
index 3bce0c8fb0..666a898bea 100644
--- a/tests/metrics/cmd/checkmetrics/ci_worker/checkmetrics-json-qemu-kata-metric8.toml
+++ b/tests/metrics/cmd/checkmetrics/ci_worker/checkmetrics-json-qemu-kata-metric8.toml
@@ -160,5 +160,5 @@ description = "iperf"
 checkvar = ".\"network-iperf3\".Results | .[] | .jitter.Result"
 checktype = "mean"
 midval = 0.041
-minpercent = 40.0
-maxpercent = 40.0
+minpercent = 50.0
+maxpercent = 50.0