diff --git a/Dockerfile b/Dockerfile
index 69b746b61..eabbf5b02 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -13,10 +13,10 @@
 # limitations under the License.
 
 # builder image
-FROM golang:1.12.8 as builder
+FROM golang:1.12.9 as builder
 
 WORKDIR /github.com/kubernetes-incubator/external-dns
-RUN apt-get update && apt-get install -y bzr
+
 COPY . .
 RUN go mod vendor && \
     make test && \
diff --git a/Dockerfile.mini b/Dockerfile.mini
index facae12f5..748b0b365 100644
--- a/Dockerfile.mini
+++ b/Dockerfile.mini
@@ -12,10 +12,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM golang:1.12.7 as builder
+FROM golang:1.12.9 as builder
 
 WORKDIR /github.com/kubernetes-incubator/external-dns
-RUN apt-get update && apt-get install -y bzr
+
 COPY . .
 RUN apt-get update && \
     apt-get install ca-certificates && \