diff --git a/conformance/tests/httproute-request-percentage-mirror.go b/conformance/tests/httproute-request-percentage-mirror.go
index df826f5ca8..843fac8043 100644
--- a/conformance/tests/httproute-request-percentage-mirror.go
+++ b/conformance/tests/httproute-request-percentage-mirror.go
@@ -39,7 +39,7 @@ import (
 
 const (
 	concurrentRequests    = 10
-	tolerancePercentage   = 5.0
+	tolerancePercentage   = 15.0
 	totalRequests         = 500.0
 	numDistributionChecks = 5
 )