diff --git a/Dockerfile b/Dockerfile
index 95f1806..0b61d29 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,10 +1,10 @@
-FROM golang:1.22.3-alpine3.19 as builder
+FROM golang:1.23.0-alpine3.20 as builder
 WORKDIR /app
 COPY . /app
 
 RUN apk --no-cache add make git && make build
 
-FROM alpine:3.19
+FROM alpine:3.20
 
 COPY --from=builder /app/external-dns-netcup-webhook /
 ENTRYPOINT ["/external-dns-netcup-webhook"]
diff --git a/go.mod b/go.mod
index fd26c6e..b9ce6f1 100644
--- a/go.mod
+++ b/go.mod
@@ -2,7 +2,7 @@ module github.com/mrueg/external-dns-netcup-webhook
 
 go 1.22.2
 
-toolchain go1.22.3
+toolchain go1.23.0
 
 require (
 	github.com/aellwein/netcup-dns-api v1.0.5