diff --git a/spring-boot-modules/spring-boot-properties-3/src/main/resources/application.properties b/spring-boot-modules/spring-boot-properties-3/src/main/resources/application.properties
index c2bb5deb45..a079837942 100644
--- a/spring-boot-modules/spring-boot-properties-3/src/main/resources/application.properties
+++ b/spring-boot-modules/spring-boot-properties-3/src/main/resources/application.properties
@@ -11,6 +11,7 @@ app.name=MyApp
 app.description=${app.name} is a Spring Boot application
 logging.file.name=myapplication.log
 bael.property=defaultValue
+bael.otherProperty=defaultOtherValue
 #---
 spring.config.activate.on-profile=multidocument-dev
 spring.datasource.password=password
@@ -18,6 +19,9 @@ spring.datasource.url=jdbc:h2:dev
 spring.datasource.username=SA
 bael.property=devValue
 #---
+spring.config.activate.on-profile=multidocument-integration-extension
+bael.otherProperty=integrationExtensionOtherValue
+#---
 spring.config.activate.on-profile=multidocument-prod
 spring.datasource.password=password
 spring.datasource.url=jdbc:h2:prod
diff --git a/spring-boot-modules/spring-boot-properties-3/src/main/resources/application.yml b/spring-boot-modules/spring-boot-properties-3/src/main/resources/application.yml
index 33aabb2459..10570bb738 100644
--- a/spring-boot-modules/spring-boot-properties-3/src/main/resources/application.yml
+++ b/spring-boot-modules/spring-boot-properties-3/src/main/resources/application.yml
@@ -1,5 +1,9 @@
 bael:
   root-level-property: defaultRootLevelValue
+spring:
+  profiles:
+    group:
+      multidocument-integration: multidocument-integration-extension
 ---
 spring:
   config:
diff --git a/spring-boot-modules/spring-boot-properties-3/src/test/java/com/baeldung/boot/properties/multidocument/IntegrationMultidocumentFilesIntegrationTest.java b/spring-boot-modules/spring-boot-properties-3/src/test/java/com/baeldung/boot/properties/multidocument/IntegrationMultidocumentFilesIntegrationTest.java
index f7968f51ad..e0727154d0 100644
--- a/spring-boot-modules/spring-boot-properties-3/src/test/java/com/baeldung/boot/properties/multidocument/IntegrationMultidocumentFilesIntegrationTest.java
+++ b/spring-boot-modules/spring-boot-properties-3/src/test/java/com/baeldung/boot/properties/multidocument/IntegrationMultidocumentFilesIntegrationTest.java
@@ -17,12 +17,16 @@ public class IntegrationMultidocumentFilesIntegrationTest {
     @Value("${bael.property}")
     private String baelCustomProperty;
     
+    @Value("${bael.otherProperty}")
+    private String baelCustomOtherProperty;
+    
     @Value("${bael.root-level-property}")
     private String baelRootProperty;
 
     @Test
     public void givenProductionProfileActive_whenApplicationStarts_thenDefaultPropertiesUser() {
         assertThat(baelCustomProperty).isEqualTo("integrationValue");
+        assertThat(baelCustomOtherProperty).isEqualTo("integrationExtensionOtherValue");
         assertThat(baelRootProperty).isEqualTo("defaultRootLevelValue");
     }
 }
diff --git a/spring-cloud/spring-cloud-config/client/pom.xml b/spring-cloud/spring-cloud-config/client/pom.xml
index 805a50bfdb..2400520d2b 100644
--- a/spring-cloud/spring-cloud-config/client/pom.xml
+++ b/spring-cloud/spring-cloud-config/client/pom.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xmlns="http://maven.apache.org/POM/4.0.0"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>client</artifactId>
     <name>client</name>
@@ -26,6 +26,17 @@
             <artifactId>spring-boot-starter-test</artifactId>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>org.junit.vintage</groupId>
+            <artifactId>junit-vintage-engine</artifactId>
+            <scope>test</scope>
+            <exclusions>
+                <exclusion>
+                    <groupId>org.hamcrest</groupId>
+                    <artifactId>hamcrest-core</artifactId>
+                </exclusion>
+            </exclusions>
+        </dependency>
     </dependencies>
 
     <build>
diff --git a/spring-cloud/spring-cloud-config/pom.xml b/spring-cloud/spring-cloud-config/pom.xml
index 5db18a7245..bfe17044e0 100644
--- a/spring-cloud/spring-cloud-config/pom.xml
+++ b/spring-cloud/spring-cloud-config/pom.xml
@@ -33,8 +33,7 @@
     </dependencyManagement>
 
     <properties>
-        <spring-cloud-dependencies.version>Hoxton.SR4</spring-cloud-dependencies.version>
-        <spring-boot.version>2.3.3.RELEASE</spring-boot.version>
+        <spring-cloud-dependencies.version>2020.0.0</spring-cloud-dependencies.version>
     </properties>
 
 </project>
diff --git a/spring-cloud/spring-cloud-config/server/pom.xml b/spring-cloud/spring-cloud-config/server/pom.xml
index e32a473cd6..f0f1e43612 100644
--- a/spring-cloud/spring-cloud-config/server/pom.xml
+++ b/spring-cloud/spring-cloud-config/server/pom.xml
@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xmlns="http://maven.apache.org/POM/4.0.0"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    xmlns="http://maven.apache.org/POM/4.0.0"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>server</artifactId>
     <name>server</name>
-	
+
     <parent>
         <groupId>com.baeldung.spring.cloud</groupId>
         <artifactId>spring-cloud-config</artifactId>
@@ -30,6 +30,17 @@
             <artifactId>spring-boot-starter-test</artifactId>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>org.junit.vintage</groupId>
+            <artifactId>junit-vintage-engine</artifactId>
+            <scope>test</scope>
+            <exclusions>
+                <exclusion>
+                    <groupId>org.hamcrest</groupId>
+                    <artifactId>hamcrest-core</artifactId>
+                </exclusion>
+            </exclusions>
+        </dependency>
     </dependencies>
 
     <build>