diff --git a/Dockerfile b/Dockerfile
index db7d8dcca..341df5702 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -14,7 +14,7 @@
 
 # builder image
 ARG ARCH
-FROM golang:1.19 as builder
+FROM golang:1.20 as builder
 ARG ARCH
 
 WORKDIR /sigs.k8s.io/external-dns
diff --git a/Dockerfile.mini b/Dockerfile.mini
index 90cba37d9..2428351ae 100644
--- a/Dockerfile.mini
+++ b/Dockerfile.mini
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM golang:1.19 as builder
+FROM golang:1.20 as builder
 
 WORKDIR /sigs.k8s.io/external-dns