diff --git a/go.mod b/go.mod
index 3ea6c89..bc918e9 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module github.com/ccremer/fronius-exporter
 go 1.19
 
 require (
-	github.com/knadh/koanf v1.5.0
+	github.com/knadh/koanf/v2 v2.1.1
 	github.com/prometheus/client_golang v1.13.0
 	github.com/sirupsen/logrus v1.9.2
 	github.com/spf13/pflag v1.0.5