diff --git a/Dockerfile b/Dockerfile
index 3193f6da8..b56a6051c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 ############# builder
-FROM golang:1.23.3 AS builder
+FROM golang:1.23.4 AS builder
 
 WORKDIR /go/src/github.com/gardener/gardener-extension-provider-openstack