diff --git a/go.mod b/go.mod
index c66cdfdf..ea2740ab 100644
--- a/go.mod
+++ b/go.mod
@@ -2,7 +2,7 @@ module github.com/stackitcloud/gardener-extension-acl
 
 go 1.23.0
 
-toolchain go1.23.1
+toolchain go1.23.4
 
 require (
 	github.com/ahmetb/gen-crd-api-reference-docs v0.3.0