diff --git a/bor/client/grpc/grpc_util_test.go b/bor/client/grpc/grpc_util_test.go
index 803c6efb9..b00f31f1b 100644
--- a/bor/client/grpc/grpc_util_test.go
+++ b/bor/client/grpc/grpc_util_test.go
@@ -8,6 +8,8 @@ import (
 )
 
 func TestToBlockNumArg(t *testing.T) {
+	t.Parallel()
+
 	tests := []struct {
 		name     string
 		input    *big.Int