diff --git a/go.mod b/go.mod
index f5d378ef..8c2f42f2 100644
--- a/go.mod
+++ b/go.mod
@@ -2,7 +2,7 @@ module github.com/stackitcloud/gardener-extension-acl
 
 go 1.26.0
 
-toolchain go1.26.3
+toolchain go1.26.4
 
 require (
 	github.com/gardener/gardener v1.143.1