diff --git a/go.mod b/go.mod
index 44a1d6e..435d978 100644
--- a/go.mod
+++ b/go.mod
@@ -3,6 +3,6 @@ module github.com/rluisr/mysqlrouter_exporter
 go 1.15
 
 require (
-	github.com/prometheus/client_golang v1.8.0
+	github.com/prometheus/client_golang v1.9.0
 	github.com/rluisr/mysqlrouter-go v1.0.2
 )