diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f2a7267067..eaff288fec 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,4 +1,4 @@
-# Copyright (c) 2020, 2022 Contributors to the Eclipse Foundation
+# Copyright (c) 2020, 2023 Contributors to the Eclipse Foundation
 #
 # See the NOTICE file(s) distributed with this work for additional
 # information regarding copyright ownership.
@@ -24,20 +24,20 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        device-registry-name: [file,jdbc,mongodb-4.4,mongodb-5.0,mongodb-6.0]
+        device-registry-name: [file,jdbc,mongodb-4.4,mongodb-5.0,mongodb-6.0,mongodb-7.0]
         include:
         # Use Quarkus JVM images: file registry, AMQP messaging, Command Router with embedded cache
         - device-registry-name: file
           device-registry: file
           commandrouting-cache: embedded
           messaging-type: amqp
-          mongodb-image-name: mongo:4.4
+          mongodb-image-name: mongo:6.0
         # Use Quarkus JVM images: jdbc registry, Kafka messaging, Command Router with embedded cache
         - device-registry-name: jdbc
           device-registry: jdbc
           commandrouting-cache: embedded
           messaging-type: kafka
-          mongodb-image-name: mongo:4.4
+          mongodb-image-name: mongo:6.0
         # Use Quarkus JVM images: mongodb registry Kafka messaging, Command Router with data grid
         - device-registry-name: mongodb-4.4
           device-registry: mongodb
@@ -54,6 +54,11 @@ jobs:
           commandrouting-cache: server
           messaging-type: kafka
           mongodb-image-name: mongo:6.0
+        - device-registry-name: mongodb-7.0
+          device-registry: mongodb
+          commandrouting-cache: server
+          messaging-type: kafka
+          mongodb-image-name: mongo:7.0
 
     name: "Use ${{ matrix.device-registry-name }} registry, ${{ matrix.messaging-type }} messaging with ${{ matrix.commandrouting-cache }} cache"
     steps:
diff --git a/bom/pom.xml b/bom/pom.xml
index 0e2ec24fb8..c4ad24f76f 100644
--- a/bom/pom.xml
+++ b/bom/pom.xml
@@ -43,7 +43,7 @@
     <kafka-client.version>3.3.2</kafka-client.version>
     <kafka.image.name>docker.io/confluentinc/cp-kafka:7.3.5</kafka.image.name>
     <logback.version>1.2.11</logback.version>
-    <mongodb-image.name>docker.io/library/mongo:4.4</mongodb-image.name>
+    <mongodb-image.name>docker.io/library/mongo:6.0</mongodb-image.name>
     <native.image.name>quay.io/quarkus/quarkus-micro-image:2.0</native.image.name>
     <native.builder-image.name>mandrel</native.builder-image.name>
     <netty.version>4.1.94.Final</netty.version>
diff --git a/services/device-registry-mongodb/src/test/java/org/eclipse/hono/deviceregistry/mongodb/service/MongoDbTestUtils.java b/services/device-registry-mongodb/src/test/java/org/eclipse/hono/deviceregistry/mongodb/service/MongoDbTestUtils.java
index b20cc0e238..fea8b3455b 100644
--- a/services/device-registry-mongodb/src/test/java/org/eclipse/hono/deviceregistry/mongodb/service/MongoDbTestUtils.java
+++ b/services/device-registry-mongodb/src/test/java/org/eclipse/hono/deviceregistry/mongodb/service/MongoDbTestUtils.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2020, 2022 Contributors to the Eclipse Foundation
+ * Copyright (c) 2020, 2023 Contributors to the Eclipse Foundation
  *
  * See the NOTICE file(s) distributed with this work for additional
  * information regarding copyright ownership.
@@ -33,7 +33,7 @@
 public final class MongoDbTestUtils {
 
     private static final MongoDBContainer MONGO_DB_CONTAINER;
-    private static final String MONGO_DB_IMAGE_NAME = System.getProperty("mongoDbImageName", "mongo:4.4");
+    private static final String MONGO_DB_IMAGE_NAME = System.getProperty("mongoDbImageName", "mongo:6.0");
     private static final Logger LOG = LoggerFactory.getLogger(MongoDbTestUtils.class);
 
     static {
diff --git a/site/documentation/content/admin-guide/mongodb-device-registry-config.md b/site/documentation/content/admin-guide/mongodb-device-registry-config.md
index 3dd70db913..32136274cc 100644
--- a/site/documentation/content/admin-guide/mongodb-device-registry-config.md
+++ b/site/documentation/content/admin-guide/mongodb-device-registry-config.md
@@ -21,9 +21,12 @@ The registry is compatible and known to work with following MongoDB versions:
 * [MongoDB 4.4](https://www.mongodb.com/docs/v4.4/release-notes/4.4/)
 * [MongoDB 5.0](https://www.mongodb.com/docs/v5.0/release-notes/5.0/)
 * [MongoDB 6.0](https://www.mongodb.com/docs/v6.0/release-notes/6.0/)
+* [MongoDB 7.0](https://www.mongodb.com/docs/v7.0/release-notes/7.0/)
 
-{{% notice info %}}
-The registry had originally been implemented as a Spring Boot application. That variant has been removed in Hono 2.0.0.
+{{% notice warning %}}
+According to the [Mongo DB Software Lifecycle Schedule](https://www.mongodb.com/support-policy/lifecycles) support
+for Mongo DB 4.4 will end Feb 2024. Consequently, support for Mongo 4.4 in Hono has been deprecated and will be removed
+in a future version altogether. Users are encouraged to migrate to Mongo DB 6.0 or later.
 {{% /notice %}}
 
 ## Service Configuration
diff --git a/site/homepage/content/release-notes.md b/site/homepage/content/release-notes.md
index 4f921b2509..78ecebe2cf 100644
--- a/site/homepage/content/release-notes.md
+++ b/site/homepage/content/release-notes.md
@@ -4,6 +4,16 @@ title = "What is new & noteworthy in Hono?"
 description = "Information about changes in recent Hono releases. Includes new features, fixes, enhancements and API changes."
 +++
 
+## 2.5.0 (not released yet)
+
+### Deprecations
+
+* According to the [Mongo DB Software Lifecycle Schedule](https://www.mongodb.com/support-policy/lifecycles) support
+  for Mongo DB 4.4 will end Feb 2024.
+  Until that date the Mongo based Device Registry will be tested with MongoDB 4.4, 5.0, 6.0 and 7.0 in the CI workflows.
+  However, support for Mongo 4.4 in Hono has been deprecated and will be removed in a future version altogether.
+  Users are encouraged to migrate to Mongo DB 6.0 or later.
+
 ## 2.4.0
 
 ### New features