diff --git a/Dockerfile b/Dockerfile
index e63009b..efc7de9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -6,7 +6,7 @@ WORKDIR /src
 COPY go.mod go.sum ./
 RUN go mod download
 COPY . .
-RUN CGO_ENABLED=0 go build -ldflags "-X main.Version=${CHECKER_VERSION}" -o /checker-xmpp .
+RUN CGO_ENABLED=0 go build -tags standalone -ldflags "-X main.Version=${CHECKER_VERSION}" -o /checker-xmpp .
 
 FROM scratch
 COPY --from=builder /checker-xmpp /checker-xmpp
diff --git a/Makefile b/Makefile
index 2b4120f..70dc422 100644
--- a/Makefile
+++ b/Makefile
@@ -11,7 +11,7 @@ GO_LDFLAGS := -X main.Version=$(CHECKER_VERSION)
 all: $(CHECKER_NAME)
 
 $(CHECKER_NAME): $(CHECKER_SOURCES)
-	go build -ldflags "$(GO_LDFLAGS)" -o $@ .
+	go build -tags standalone -ldflags "$(GO_LDFLAGS)" -o $@ .
 
 plugin: $(CHECKER_NAME).so
 
@@ -22,7 +22,7 @@ docker:
 	docker build --build-arg CHECKER_VERSION=$(CHECKER_VERSION) -t $(CHECKER_IMAGE) .
 
 test:
-	go test ./...
+	go test -tags standalone ./...
 
 clean:
 	rm -f $(CHECKER_NAME) $(CHECKER_NAME).so
diff --git a/checker/interactive.go b/checker/interactive.go
index 561ee91..f9ccaef 100644
--- a/checker/interactive.go
+++ b/checker/interactive.go
@@ -1,3 +1,5 @@
+//go:build standalone
+
 package checker
 
 import (
@@ -10,7 +12,7 @@ import (
 	sdk "git.happydns.org/checker-sdk-go/checker"
 )
 
-// RenderForm implements sdk.CheckerInteractive.
+// RenderForm implements server.Interactive.
 func (p *xmppProvider) RenderForm() []sdk.CheckerOptionField {
 	return []sdk.CheckerOptionField{
 		{
@@ -36,7 +38,7 @@ func (p *xmppProvider) RenderForm() []sdk.CheckerOptionField {
 	}
 }
 
-// ParseForm implements sdk.CheckerInteractive.
+// ParseForm implements server.Interactive.
 func (p *xmppProvider) ParseForm(r *http.Request) (sdk.CheckerOptions, error) {
 	domain := strings.TrimSpace(r.FormValue("domain"))
 	domain = strings.TrimSuffix(domain, ".")
diff --git a/go.mod b/go.mod
index 436824e..4eeda9a 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module git.happydns.org/checker-xmpp
 go 1.25.0
 
 require (
-	git.happydns.org/checker-sdk-go v1.2.0
+	git.happydns.org/checker-sdk-go v1.3.0
 	git.happydns.org/checker-tls v0.2.0
 	github.com/miekg/dns v1.1.72
 )
diff --git a/go.sum b/go.sum
index 60c7216..ac340f7 100644
--- a/go.sum
+++ b/go.sum
@@ -1,5 +1,5 @@
-git.happydns.org/checker-sdk-go v1.2.0 h1:v4MpKAz0W3PwP+bxx3pya8w893sVH5xTD1of1cc0TV8=
-git.happydns.org/checker-sdk-go v1.2.0/go.mod h1:aNAcfYFfbhvH9kJhE0Njp5GX0dQbxdRB0rJ0KvSC5nI=
+git.happydns.org/checker-sdk-go v1.3.0 h1:FG2kIhlJCzI0m35EhxSgn4UWc9M4ha6aZTeoChu4l7A=
+git.happydns.org/checker-sdk-go v1.3.0/go.mod h1:aNAcfYFfbhvH9kJhE0Njp5GX0dQbxdRB0rJ0KvSC5nI=
 git.happydns.org/checker-tls v0.2.0 h1:2dYpcePBylUc3le76fFlLbxraiLpGESmOhx4NfD7REM=
 git.happydns.org/checker-tls v0.2.0/go.mod h1:0ZSG0CTP007SHBPE7qInESVIOcW+xgucHUhHgj6MeZ8=
 github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
diff --git a/main.go b/main.go
index ba43cc8..8490d22 100644
--- a/main.go
+++ b/main.go
@@ -4,7 +4,7 @@ import (
 	"flag"
 	"log"
 
-	sdk "git.happydns.org/checker-sdk-go/checker"
+	"git.happydns.org/checker-sdk-go/checker/server"
 	xmpp "git.happydns.org/checker-xmpp/checker"
 )
 
@@ -21,8 +21,8 @@ func main() {
 
 	xmpp.Version = Version
 
-	server := sdk.NewServer(xmpp.Provider())
-	if err := server.ListenAndServe(*listenAddr); err != nil {
+	srv := server.New(xmpp.Provider())
+	if err := srv.ListenAndServe(*listenAddr); err != nil {
 		log.Fatalf("server error: %v", err)
 	}
 }