diff --git a/Dockerfile b/Dockerfile
index 3288633e8..85e9c4ba2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 #############      builder       #############
-FROM golang:1.11.4 AS builder
+FROM golang:1.11.5 AS builder
 
 WORKDIR /go/src/github.com/gardener/gardener-extensions
 COPY . .