diff --git a/tests/antithesis/test-template/robustness/traffic/main.go b/tests/antithesis/test-template/robustness/traffic/main.go
index b463983c8df5..9e51afe9b0be 100644
--- a/tests/antithesis/test-template/robustness/traffic/main.go
+++ b/tests/antithesis/test-template/robustness/traffic/main.go
@@ -128,7 +128,7 @@ func simulateTraffic(ctx context.Context, hosts []string, ids identity.Provider,
 	concurrencyLimiter := traffic.NewConcurrencyLimiter(profile.MaxNonUniqueRequestConcurrency)
 	finish := closeAfter(ctx, duration)
 	reports := []report.ClientReport{}
-	keyStore := traffic.NewKeyStore(profile.ClientCount, "key")
+	keyStore := traffic.NewKeyStore(10, "key")
 	for i := 0; i < profile.ClientCount; i++ {
 		c := connect([]string{hosts[i%len(hosts)]}, ids, baseTime)
 		defer c.Close()