diff --git a/Dockerfile b/Dockerfile
index 2187042..3d166a3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,15 +1,42 @@
-ARG ARCH=armv7hf
-ARG ACAP_SDK_VERSION=3.5
-ARG SDK_IMAGE=axisecp/acap-sdk
-ARG BUILD_DIR=/usr/local/src/server-acap
+ARG ARCH=aarch64
+ARG ACAP_SDK_VERSION=1.15
+ARG SDK_IMAGE=axisecp/acap-native-sdk
+ARG BUILD_DIR=/usr/local/src
+ARG ACAP_BUILD_DIR="$BUILD_DIR"/server-acap
+ARG OPEN62541_VERSION=1.4.4
 
 FROM $SDK_IMAGE:$ACAP_SDK_VERSION-$ARCH AS builder
 ARG BUILD_DIR
-RUN DEBIAN_FRONTEND=noninteractive \
-    apt-get update && \
+ARG ACAP_BUILD_DIR
+ARG OPEN62541_VERSION
+ENV DEBIAN_FRONTEND=noninteractive
+
+# Install additional build dependencies
+RUN apt-get update && \
     apt-get install -y --no-install-recommends \
     cmake
-WORKDIR "$BUILD_DIR"
+
+# open62541
+ARG OPEN62541_DIR="$BUILD_DIR"/open62541
+ARG OPEN62541_SRC_DIR="$OPEN62541_DIR"/open62541-$OPEN62541_VERSION
+ARG OPEN62541_BUILD_DIR="$OPEN62541_DIR"/build
+
+WORKDIR "$OPEN62541_DIR"
+SHELL ["/bin/bash", "-o", "pipefail", "-c"]
+RUN curl -L https://github.com/open62541/open62541/archive/refs/tags/v$OPEN62541_VERSION.tar.gz | tar xz
+WORKDIR "$OPEN62541_BUILD_DIR"
+RUN . /opt/axis/acapsdk/environment-setup* && \
+    cmake \
+    -DCMAKE_INSTALL_PREFIX="$SDKTARGETSYSROOT"/usr \
+    -DCMAKE_BUILD_TYPE=Release \
+    -DBUILD_BUILD_EXAMPLES=OFF \
+    -DBUILD_SHARED_LIBS=OFF \
+    -DUA_ENABLE_NODEMANAGEMENT=ON \
+    "$OPEN62541_SRC_DIR"
+RUN make -j "$(nproc)" install
+
+# ACAP application
+WORKDIR "$ACAP_BUILD_DIR"
 COPY LICENSE \
      Makefile \
      *.c \
@@ -20,5 +47,5 @@ RUN . /opt/axis/acapsdk/environment-setup* && \
     acap-build .
 
 FROM scratch
-ARG BUILD_DIR
-COPY --from=builder "$BUILD_DIR"/*eap "$BUILD_DIR"/*LICENSE.txt /
+ARG ACAP_BUILD_DIR
+COPY --from=builder "$ACAP_BUILD_DIR"/*eap "$ACAP_BUILD_DIR"/*LICENSE.txt /
diff --git a/Makefile b/Makefile
index 1090360..b42e894 100644
--- a/Makefile
+++ b/Makefile
@@ -5,44 +5,20 @@ SRCS = $(wildcard *.c)
 OBJS = $(SRCS:.c=.o)
 STRIP ?= strip
 
-PKGS =  gio-2.0 glib-2.0 axparameter
+PKGS =  gio-2.0 glib-2.0 axparameter open62541
 CFLAGS += $(shell PKG_CONFIG_PATH=$(PKG_CONFIG_PATH) pkg-config --cflags $(PKGS))
 LDLIBS += $(shell PKG_CONFIG_PATH=$(PKG_CONFIG_PATH) pkg-config --libs $(PKGS))
 
-# open62541
-OPEN62541_VERSION = 1.2.9
-OPEN62541 = open62541-$(OPEN62541_VERSION)
-OPEN62541_BUILD = $(OPEN62541)/$(CROSS_COMPILE)build
-
-LIBOPEN62541 = $(OPEN62541_BUILD)/bin/libopen62541.a
-CFLAGS += -I $(OPEN62541)/include -I $(OPEN62541_BUILD)/src_generated -I $(OPEN62541)/arch -I $(OPEN62541)/deps -I $(OPEN62541)/plugins/include
-LDLIBS += $(OPEN62541_BUILD)/bin/libopen62541.a
-
 CFLAGS += -Wformat=2 -Wpointer-arith -Wbad-function-cast -Wstrict-prototypes -Wdisabled-optimization -Wall -Werror
+LDFLAGS += -flto=auto
 
 # main targets
 all: $(PROG)
 	$(STRIP) $(PROG)
 
-$(OBJS): $(LIBOPEN62541)
-
 $(PROG): $(OBJS)
 	$(CC) $(CFLAGS) $(LDFLAGS) $^ $(LIBS) $(LDLIBS) -o $@
 
-# open62541 targets
-$(OPEN62541):
-	curl -L https://github.com/open62541/open62541/archive/refs/tags/v$(OPEN62541_VERSION).tar.gz | tar xz
-
-$(OPEN62541_BUILD): $(OPEN62541)
-	mkdir -p $(OPEN62541_BUILD)
-
-$(OPEN62541_BUILD)/Makefile: | $(OPEN62541_BUILD)
-	cd $(OPEN62541_BUILD) && \
-	cmake -j -DBUILD_SHARED_LIBS=OFF -DUA_BUILD_EXAMPLES=OFF ..
-
-$(LIBOPEN62541): $(OPEN62541_BUILD)/Makefile
-	make -j -C $(OPEN62541_BUILD)
-
 # docker build container targets
 %.eap:
 	DOCKER_BUILDKIT=1 docker build --build-arg ARCH=$(basename $@) -o type=local,dest=. "$(CURDIR)"
@@ -50,11 +26,8 @@ $(LIBOPEN62541): $(OPEN62541_BUILD)/Makefile
 dockerbuild: armv7hf.eap aarch64.eap
 
 # clean targets
-3rd-party-clean:
-	rm -rf $(OPEN62541_BUILD)
-
 clean:
 	rm -f $(PROG) *.o *.eap *LICENSE.txt pa*conf*
 
-very-clean: clean 3rd-party-clean
-	rm -rf *.eap *.eap.old $(OPEN62541) eap
+very-clean: clean
+	rm -rf *.eap *.eap.old eap
diff --git a/README.md b/README.md
index ef526ec..5a1830c 100644
--- a/README.md
+++ b/README.md
@@ -1,13 +1,13 @@
-*Copyright (C) 2022, Axis Communications AB, Lund, Sweden. All Rights Reserved.*
+*Copyright (C) 2024, Axis Communications AB, Lund, Sweden. All Rights Reserved.*
 
 # OPC UA Server ACAP
 
-[![Build ACAPs](https://github.com/AxisCommunications/opc-ua-server-acap/actions/workflows/build.yml/badge.svg)](https://github.com/AxisCommunications/opc-ua-server-acap/actions/workflows/build.yml)
+[![Build ACAP packages](https://github.com/AxisCommunications/opc-ua-server-acap/actions/workflows/build.yml/badge.svg)](https://github.com/AxisCommunications/opc-ua-server-acap/actions/workflows/build.yml)
 [![GitHub Super-Linter](https://github.com/AxisCommunications/opc-ua-server-acap/actions/workflows/super-linter.yml/badge.svg)](https://github.com/AxisCommunications/opc-ua-server-acap/actions/workflows/super-linter.yml)
 
 This repository contains the source code to build a small example
-[ACAP version 3](https://help.axis.com/acap-3-developer-guide)
-application that uses D-Bus to get
+[ACAP version 4](https://axiscommunications.github.io/acap-documentation/)
+(native) application that uses D-Bus to get
 
 - temperature sensor data from `com.axis.TemperatureController`
 - IO port states from `com.axis.IOControl.State`
@@ -25,17 +25,16 @@ it actually is to integrate any Axis device in an OPC UA system.
 
 ## Build
 
-### On developer computer with ACAP SDK installed
+The build step creates `eap` (embedded application package) packages that can
+then be deployed on the target Axis device e.g. via the device's web UI.
 
-```sh
-# With the environment initialized, use:
-acap-build .
-```
-
-### Using ACAP SDK build container and Docker
+*For more information about the `eap` files, their content, and other ways to
+deploy, please see the documentation on how to
+[Develop ACAP applications](https://axiscommunications.github.io/acap-documentation/docs/develop/).*
 
-The handling of this is integrated in the [Makefile](Makefile), so if you have
-Docker and `make` on your computer all you need to do is:
+The build uses [Docker](https://www.docker.com/) and the containerized ACAP SDK.
+If you have `make` on your computer the Docker commands are nicely wrapped in
+the [Makefile](Makefile). All you need to do then is:
 
 ```sh
 make dockerbuild
@@ -118,8 +117,9 @@ curl -k --anyauth -u root:<password> \
 
 ## Usage
 
-Attach an OPC UA client to the port set in the ACAP. The client will then be
-able to read the values (and their timestamps) from the ACAP's OPC UA server.
+Attach an OPC UA client to the port set in the ACAP application. The client
+will then be able to read the values (and their timestamps) from the ACAP
+application's OPC UA server.
 
 > [!NOTE]
 > The application will also log the values in the camera's syslog.
diff --git a/manifest.json b/manifest.json
index 201b480..6fc8aa5 100644
--- a/manifest.json
+++ b/manifest.json
@@ -1,22 +1,29 @@
 {
-    "schemaVersion": "1.3",
+    "schemaVersion": "1.7.0",
     "acapPackageConf": {
         "setup": {
             "appName": "opcuaserver",
             "friendlyName": "OPC UA Server",
             "vendor": "Axis Communications AB",
             "embeddedSdkVersion": "3.0",
-            "user": {
-                "username": "sdk",
-                "group": "sdk"
-            },
+            "vendorUrl": "https://www.axis.com/",
             "runMode": "respawn",
-            "version": "1.2.6"
+            "version": "2.0.0"
         },
         "configuration": {
             "paramConfig": [
                 {"name": "port", "type": "int:min=1024,max=65535", "default": "4840"}
             ]
         }
+    },
+    "resources": {
+        "dbus": {
+            "requiredMethods": [
+                "com.axis.IOControl.State.GetNbrPorts",
+                "com.axis.IOControl.State.GetState",
+                "com.axis.TemperatureController.GetNbrOfTemperatureSensors",
+                "com.axis.TemperatureController.RegisterForTemperatureChangeSignal"
+            ]
+        }
     }
 }
diff --git a/opcua_open62541.c b/opcua_open62541.c
index 4b7eb91..a5b335c 100644
--- a/opcua_open62541.c
+++ b/opcua_open62541.c
@@ -14,6 +14,7 @@
  * limitations under the License.
  */
 
+#include <assert.h>
 #include <open62541/server_config_default.h>
 #include <pthread.h>