diff --git a/Dockerfile b/Dockerfile
index 9b33f275..e977048c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,16 +1,15 @@
-FROM golang:1.17-bullseye AS builder
+FROM golang:1.19-bullseye AS builder
 
 WORKDIR /workdir
 
 COPY go.mod go.sum /workdir
-RUN GOPROXY=https://proxy.golang.org,direct go mod download
+ENV GOPROXY=https://proxy.golang.org,direct
+RUN go mod download
 
 COPY . /workdir
-WORKDIR /workdir
 
-RUN cd casket && go mod init casket \
-    && GOPROXY=https://proxy.golang.org,direct GOPRIVATE=github.com/tmpim/casket go get "github.com/tmpim/casket@master" \
-    && go mod tidy && CGO_ENABLED=0 go build -o casket .
+WORKDIR /workdir/casket
+RUN CGO_ENABLED=0 go build -o casket .
 
 FROM alpine:3
 
@@ -33,4 +32,4 @@ WORKDIR /config
 
 COPY --from=builder /workdir/casket/casket /usr/bin/casket
 
-ENTRYPOINT ["/usr/bin/casket", "-agree", "-root", "/www"]
+ENTRYPOINT ["/usr/bin/casket", "-agree", "-root", "/www"]
\ No newline at end of file
diff --git a/go.mod b/go.mod
index 236ece68..7881fdf2 100644
--- a/go.mod
+++ b/go.mod
@@ -20,7 +20,7 @@ require (
 	github.com/rakyll/statik v0.1.7
 	github.com/russross/blackfriday v1.6.0
 	github.com/tmpim/casket-plugins v0.0.4-0.20210411234607-8b023eeb664d
-	github.com/tmpim/dnsproviders v0.4.2
+	github.com/tmpim/dnsproviders v0.5.0
 	go.uber.org/zap v1.26.0
 	golang.org/x/net v0.20.0
 	gopkg.in/mcuadros/go-syslog.v2 v2.3.0
diff --git a/go.sum b/go.sum
index 1b9c62e6..97a90315 100644
--- a/go.sum
+++ b/go.sum
@@ -1081,6 +1081,9 @@ github.com/tmpim/casket-plugins v0.0.1/go.mod h1:f45dVU7faCB1NJNuMJBBVHCWxNHXZld
 github.com/tmpim/casket-plugins v0.0.4-0.20210411234607-8b023eeb664d h1:vn0yn5M2UVIz2VVPkFio8EEi9EJSj6dvx28+GuWAqYA=
 github.com/tmpim/casket-plugins v0.0.4-0.20210411234607-8b023eeb664d/go.mod h1:RYBOo9WtK3LmyjGZVzEm1ptZV9uvPprzvz0V6i9qyuI=
 github.com/tmpim/certmagic v0.12.4/go.mod h1:GrjIQ+gs5GW+jmqRkOnfoBjIiuk12VV4zbxoWBs8lQc=
+github.com/tmpim/dnsproviders v0.4.2/go.mod h1:QNqmtAefbbf/2BYM2hhVHaFglA584r3ayGps32Gu/c8=
+github.com/tmpim/dnsproviders v0.5.0 h1:z5ydcQ0VsCmU17z5mXHCpRO2t5QQ+yO5JK+w2Dxkze4=
+github.com/tmpim/dnsproviders v0.5.0/go.mod h1:zkCzZdk+AyPRrEvTim3Ob7ED/3WZAIdnSvpSAv8voes=
 github.com/transip/gotransip v0.0.0-20190812104329-6d8d9179b66f/go.mod h1:i0f4R4o2HM0m3DZYQWsj6/MEowD57VzoH0v3d7igeFY=
 github.com/transip/gotransip/v6 v6.2.0/go.mod h1:pQZ36hWWRahCUXkFWlx9Hs711gLd8J4qdgLdRzmtY+g=
 github.com/transip/gotransip/v6 v6.6.1/go.mod h1:pQZ36hWWRahCUXkFWlx9Hs711gLd8J4qdgLdRzmtY+g=