diff --git a/go.mod b/go.mod
index 4217947..574af15 100644
--- a/go.mod
+++ b/go.mod
@@ -5,7 +5,7 @@ go 1.14
 require (
 	git.exaring.net/network/barista v0.3.4
 	github.com/ClickHouse/clickhouse-go v1.4.1
-	github.com/bio-routing/bio-rd v0.0.3-pre2
+	github.com/bio-routing/bio-rd v0.0.3-pre4
 	github.com/bio-routing/tflow2 v0.0.0-20200122091514-89924193643e
 	github.com/gogo/protobuf v1.3.1
 	github.com/pkg/errors v0.9.1