diff --git a/Dockerfile b/Dockerfile
index 4a294d10..e9be8ce2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,12 +1,12 @@
 ############# builder
-FROM golang:1.15.3 AS builder
+FROM eu.gcr.io/gardener-project/3rd/golang:1.15.5 AS builder
 
 WORKDIR /go/src/github.com/gardener/gardener-resource-manager
 COPY . .
 RUN make install
 
 #############      gardener-resource-manager
-FROM alpine:3.12.1 AS gardener-resource-manager
+FROM eu.gcr.io/gardener-project/3rd/alpine:3.12.1 AS gardener-resource-manager
 
 COPY --from=builder /go/bin/gardener-resource-manager /gardener-resource-manager
 ENTRYPOINT ["/gardener-resource-manager"]