diff --git a/immutables/README.md b/immutables/README.md
deleted file mode 100644
index a93a342f9c..0000000000
--- a/immutables/README.md
+++ /dev/null
@@ -1,6 +0,0 @@
-## Immutables
-
-This module contains articles about the Immutables library.
-
-### Relevant Articles:
-- [Introduction to Immutables](https://www.baeldung.com/immutables)
diff --git a/immutables/pom.xml b/immutables/pom.xml
deleted file mode 100644
index 7704cddbb6..0000000000
--- a/immutables/pom.xml
+++ /dev/null
@@ -1,34 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    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>immutables</artifactId>
-    <name>immutables</name>
-
-    <parent>
-        <groupId>com.baeldung</groupId>
-        <artifactId>parent-modules</artifactId>
-        <version>1.0.0-SNAPSHOT</version>
-    </parent>
-
-    <dependencies>
-        <dependency>
-            <groupId>org.immutables</groupId>
-            <artifactId>value</artifactId>
-            <version>${immutables.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.mutabilitydetector</groupId>
-            <artifactId>MutabilityDetector</artifactId>
-            <version>${mutabilitydetector.version}</version>
-            <scope>test</scope>
-        </dependency>
-    </dependencies>
-
-    <properties>
-        <immutables.version>2.5.6</immutables.version>
-        <mutabilitydetector.version>0.9.6</mutabilitydetector.version>
-    </properties>
-
-</project>
\ No newline at end of file
diff --git a/immutables/src/main/resources/logback.xml b/immutables/src/main/resources/logback.xml
deleted file mode 100644
index 7d900d8ea8..0000000000
--- a/immutables/src/main/resources/logback.xml
+++ /dev/null
@@ -1,13 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<configuration>
-    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
-        <encoder>
-            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
-            </pattern>
-        </encoder>
-    </appender>
-
-    <root level="INFO">
-        <appender-ref ref="STDOUT" />
-    </root>
-</configuration>
\ No newline at end of file
diff --git a/libraries-3/README.md b/libraries-3/README.md
index 047d6738a1..b267e82ed9 100644
--- a/libraries-3/README.md
+++ b/libraries-3/README.md
@@ -17,4 +17,5 @@ Remember, for advanced libraries like [Jackson](/jackson) and [JUnit](/testing-m
 - [Using NullAway to Avoid NullPointerExceptions](https://www.baeldung.com/java-nullaway)
 - [Introduction to Alibaba Arthas](https://www.baeldung.com/java-alibaba-arthas-intro)
 - [Introduction to Structurizr](https://www.baeldung.com/structurizr)
+- [Introduction to Immutables](https://www.baeldung.com/immutables)
 - More articles [[<-- prev]](../libraries-2) [[next -->]](../libraries-4)
diff --git a/libraries-3/pom.xml b/libraries-3/pom.xml
index e38aecd879..c51b264e83 100644
--- a/libraries-3/pom.xml
+++ b/libraries-3/pom.xml
@@ -112,6 +112,17 @@
             <artifactId>structurizr-plantuml</artifactId>
             <version>${structurizr.version}</version>
         </dependency>
+         <dependency>
+            <groupId>org.immutables</groupId>
+            <artifactId>value</artifactId>
+            <version>${immutables.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.mutabilitydetector</groupId>
+            <artifactId>MutabilityDetector</artifactId>
+            <version>${mutabilitydetector.version}</version>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
 
     <repositories>
@@ -256,6 +267,8 @@
         <plexus-compiler.version>2.8</plexus-compiler.version>
         <errorprone.version>2.1.3</errorprone.version>
         <structurizr.version>1.0.0</structurizr.version>
+        <immutables.version>2.5.6</immutables.version>
+        <mutabilitydetector.version>0.9.6</mutabilitydetector.version>
     </properties>
 
 </project>
\ No newline at end of file
diff --git a/immutables/src/main/java/com/baeldung/immutable/Address.java b/libraries-3/src/main/java/com/baeldung/immutable/Address.java
similarity index 100%
rename from immutables/src/main/java/com/baeldung/immutable/Address.java
rename to libraries-3/src/main/java/com/baeldung/immutable/Address.java
diff --git a/immutables/src/main/java/com/baeldung/immutable/Person.java b/libraries-3/src/main/java/com/baeldung/immutable/Person.java
similarity index 100%
rename from immutables/src/main/java/com/baeldung/immutable/Person.java
rename to libraries-3/src/main/java/com/baeldung/immutable/Person.java
diff --git a/immutables/src/main/java/com/baeldung/immutable/auxiliary/Person.java b/libraries-3/src/main/java/com/baeldung/immutable/auxiliary/Person.java
similarity index 100%
rename from immutables/src/main/java/com/baeldung/immutable/auxiliary/Person.java
rename to libraries-3/src/main/java/com/baeldung/immutable/auxiliary/Person.java
diff --git a/immutables/src/main/java/com/baeldung/immutable/default_/Person.java b/libraries-3/src/main/java/com/baeldung/immutable/default_/Person.java
similarity index 100%
rename from immutables/src/main/java/com/baeldung/immutable/default_/Person.java
rename to libraries-3/src/main/java/com/baeldung/immutable/default_/Person.java
diff --git a/immutables/src/main/java/com/baeldung/immutable/parameter/Person.java b/libraries-3/src/main/java/com/baeldung/immutable/parameter/Person.java
similarity index 100%
rename from immutables/src/main/java/com/baeldung/immutable/parameter/Person.java
rename to libraries-3/src/main/java/com/baeldung/immutable/parameter/Person.java
diff --git a/immutables/src/main/java/com/baeldung/immutable/prehash/Person.java b/libraries-3/src/main/java/com/baeldung/immutable/prehash/Person.java
similarity index 100%
rename from immutables/src/main/java/com/baeldung/immutable/prehash/Person.java
rename to libraries-3/src/main/java/com/baeldung/immutable/prehash/Person.java
diff --git a/immutables/src/test/java/com/baeldung/immutable/ImmutablePersonUnitTest.java b/libraries-3/src/test/java/com/baeldung/immutable/ImmutablePersonUnitTest.java
similarity index 100%
rename from immutables/src/test/java/com/baeldung/immutable/ImmutablePersonUnitTest.java
rename to libraries-3/src/test/java/com/baeldung/immutable/ImmutablePersonUnitTest.java
diff --git a/immutables/src/test/java/com/baeldung/immutable/auxiliary/ImmutablePersonAuxiliaryUnitTest.java b/libraries-3/src/test/java/com/baeldung/immutable/auxiliary/ImmutablePersonAuxiliaryUnitTest.java
similarity index 100%
rename from immutables/src/test/java/com/baeldung/immutable/auxiliary/ImmutablePersonAuxiliaryUnitTest.java
rename to libraries-3/src/test/java/com/baeldung/immutable/auxiliary/ImmutablePersonAuxiliaryUnitTest.java
diff --git a/immutables/src/test/java/com/baeldung/immutable/default_/ImmutablePersonDefaultUnitTest.java b/libraries-3/src/test/java/com/baeldung/immutable/default_/ImmutablePersonDefaultUnitTest.java
similarity index 100%
rename from immutables/src/test/java/com/baeldung/immutable/default_/ImmutablePersonDefaultUnitTest.java
rename to libraries-3/src/test/java/com/baeldung/immutable/default_/ImmutablePersonDefaultUnitTest.java