diff --git a/Dockerfile b/Dockerfile
index a662daf7..fc08addb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 ############# builder
-FROM golang:1.23.4 AS builder
+FROM golang:1.23.5 AS builder
 
 WORKDIR /go/src/github.com/gardener/gardener-extension-networking-calico