diff --git a/go.mod b/go.mod
index d6b4d39..96d3ef8 100644
--- a/go.mod
+++ b/go.mod
@@ -2,7 +2,7 @@ module git.cryptic.systems/volker.raschek/prometheus-fail2ban-exporter
 
 go 1.25.0
 
-toolchain go1.26.7
+toolchain go1.27.0
 
 require (
 	github.com/alecthomas/kong v1.16.1