diff --git a/intelliJRunConfigurations/Connectivity for test.run.xml b/intelliJRunConfigurations/Connectivity for test.run.xml
index 9f30683..519a0ea 100644
--- a/intelliJRunConfigurations/Connectivity for test.run.xml	
+++ b/intelliJRunConfigurations/Connectivity for test.run.xml	
@@ -1,6 +1,6 @@
 <component name="ProjectRunConfigurationManager">
   <configuration default="false" name="Connectivity for test" type="Application" factoryName="Application" folderName="Ditto testing :: Run configs">
-    <option name="ALTERNATIVE_JRE_PATH" value="17" />
+    <option name="ALTERNATIVE_JRE_PATH" value="openjdk-25" />
     <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="true" />
     <envs>
       <env name="AMQP10_CONSUMER_THROTTLING_ENABLED" value="true" />
diff --git a/intelliJRunConfigurations/Gateway for test.run.xml b/intelliJRunConfigurations/Gateway for test.run.xml
index 0670540..e4ff719 100644
--- a/intelliJRunConfigurations/Gateway for test.run.xml	
+++ b/intelliJRunConfigurations/Gateway for test.run.xml	
@@ -1,6 +1,6 @@
 <component name="ProjectRunConfigurationManager">
   <configuration default="false" name="Gateway for test" type="Application" factoryName="Application" folderName="Ditto testing :: Run configs">
-    <option name="ALTERNATIVE_JRE_PATH" value="17" />
+    <option name="ALTERNATIVE_JRE_PATH" value="openjdk-25" />
     <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="true" />
     <envs>
       <env name="CHECK_API_TOKEN" value="true" />
diff --git a/intelliJRunConfigurations/Policies for test.run.xml b/intelliJRunConfigurations/Policies for test.run.xml
index 8ede8cd..8442867 100644
--- a/intelliJRunConfigurations/Policies for test.run.xml	
+++ b/intelliJRunConfigurations/Policies for test.run.xml	
@@ -1,6 +1,6 @@
 <component name="ProjectRunConfigurationManager">
   <configuration default="false" name="Policies for test" type="Application" factoryName="Application" folderName="Ditto testing :: Run configs">
-    <option name="ALTERNATIVE_JRE_PATH" value="17" />
+    <option name="ALTERNATIVE_JRE_PATH" value="openjdk-25" />
     <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="true" />
     <envs>
       <env name="INSTANCE_INDEX" value="1" />
diff --git a/intelliJRunConfigurations/Things for test.run.xml b/intelliJRunConfigurations/Things for test.run.xml
index 93f38c8..0848aaf 100644
--- a/intelliJRunConfigurations/Things for test.run.xml	
+++ b/intelliJRunConfigurations/Things for test.run.xml	
@@ -1,6 +1,6 @@
 <component name="ProjectRunConfigurationManager">
   <configuration default="false" name="Things for test" type="Application" factoryName="Application" folderName="Ditto testing :: Run configs">
-    <option name="ALTERNATIVE_JRE_PATH" value="17" />
+    <option name="ALTERNATIVE_JRE_PATH" value="openjdk-25" />
     <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="true" />
     <envs>
       <env name="INSTANCE_INDEX" value="1" />
diff --git a/intelliJRunConfigurations/ThingsSearch for test.run.xml b/intelliJRunConfigurations/ThingsSearch for test.run.xml
index b4cb499..6cc05bd 100644
--- a/intelliJRunConfigurations/ThingsSearch for test.run.xml	
+++ b/intelliJRunConfigurations/ThingsSearch for test.run.xml	
@@ -1,6 +1,6 @@
 <component name="ProjectRunConfigurationManager">
   <configuration default="false" name="ThingsSearch for test" type="Application" factoryName="Application" folderName="Ditto testing :: Run configs">
-    <option name="ALTERNATIVE_JRE_PATH" value="17" />
+    <option name="ALTERNATIVE_JRE_PATH" value="openjdk-25" />
     <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="true" />
     <envs>
       <env name="INSTANCE_INDEX" value="1" />
diff --git a/system/src/test/java/org/eclipse/ditto/testing/system/gateway/GatewayDevopsBasicAuthorizationIT.java b/system/src/test/java/org/eclipse/ditto/testing/system/gateway/GatewayDevopsBasicAuthorizationIT.java
new file mode 100644
index 0000000..15aaff8
--- /dev/null
+++ b/system/src/test/java/org/eclipse/ditto/testing/system/gateway/GatewayDevopsBasicAuthorizationIT.java
@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) 2026 Contributors to the Eclipse Foundation
+ *
+ * See the NOTICE file(s) distributed with this work for additional
+ * information regarding copyright ownership.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License 2.0 which is available at
+ * http://www.eclipse.org/legal/epl-2.0
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ */
+package org.eclipse.ditto.testing.system.gateway;
+
+import org.eclipse.ditto.base.model.common.HttpStatus;
+import org.eclipse.ditto.testing.common.*;
+import org.eclipse.ditto.testing.common.categories.Acceptance;
+import org.junit.Test;
+import org.junit.experimental.categories.Category;
+
+import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
+import static org.junit.Assume.assumeFalse;
+
+/**
+ * Integration test for the authorization with Devops basic auth at the API Gateway.
+ */
+public final class GatewayDevopsBasicAuthorizationIT extends IntegrationTest {
+
+    private static final String RANDOM_NAMESPACE = ServiceEnvironment.createRandomDefaultNamespace();
+    private final CommonTestConfig testConfig;
+
+    public GatewayDevopsBasicAuthorizationIT() {
+        this.testConfig = CommonTestConfig.getInstance();
+    }
+
+    @Test
+    @Category(Acceptance.class)
+    public void retrieveAllConnectionIds() {
+        // WHEN
+        if (testConfig.isDevopsAuthEnabled()) {
+            connectionsClient()
+                    .getConnectionIds()
+                    .withBasicAuth(testConfig.getDevopsAuthUser(), testConfig.getDevopsAuthPassword())
+                    .expectingHttpStatus(HttpStatus.OK)
+                    .fire();
+        } else {
+            LOGGER.info("Devops auth is disabled. Test skipped.");
+        }
+    }
+
+}
\ No newline at end of file