diff --git a/go.mod b/go.mod
index 017f693..beb46e3 100644
--- a/go.mod
+++ b/go.mod
@@ -2,7 +2,7 @@ module github.com/h3poteto/fluentd-sidecar-injector
 
 go 1.24.0
 
-toolchain go1.24.5
+toolchain go1.25.3
 
 require (
 	github.com/kelseyhightower/envconfig v1.4.0