diff --git a/Dockerfile b/Dockerfile
index 341df570..47764b0c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -14,7 +14,7 @@
 
 # builder image
 ARG ARCH
-FROM golang:1.20 as builder
+FROM golang:1.22 as builder
 ARG ARCH
 
 WORKDIR /sigs.k8s.io/external-dns
@@ -25,7 +25,7 @@ RUN go mod download
 
 COPY . .
 
-FROM alpine:3.18
+FROM alpine:3.20
 
 RUN apk update && apk add "libcrypto3>=3.0.8-r4" "libssl3>=3.0.8-r4" && rm -rf /var/cache/apt/*
 
diff --git a/Dockerfile.mini b/Dockerfile.mini
index 2428351a..048adb3a 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:1.20 as builder
+FROM golang:1.22 as builder
 
 WORKDIR /sigs.k8s.io/external-dns