diff --git a/pmd-ruby/pom.xml b/pmd-ruby/pom.xml
new file mode 100644
index 0000000000..9c990f5e44
--- /dev/null
+++ b/pmd-ruby/pom.xml
@@ -0,0 +1,137 @@
+<?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>pmd-ruby</artifactId>
+    <name>PMD Ruby</name>
+
+    <parent>
+        <groupId>net.sourceforge.pmd</groupId>
+        <artifactId>pmd-aggregate</artifactId>
+        <version>5.1.4-SNAPSHOT</version>
+    </parent>
+
+    <build>
+        <plugins>
+            <plugin>
+                <artifactId>maven-resources-plugin</artifactId>
+                <configuration>
+                    <useDefaultDelimiters>false</useDefaultDelimiters>
+                    <delimiters>
+                        <delimiter>${*}</delimiter>
+                    </delimiters>
+                </configuration>
+            </plugin>
+
+            <!-- As Clover can be quite an hassle, know that you can skip 
+                it by using the following option when running mvn: $ mvn clean -Dmaven.clover.skip=true 
+                site -->
+            <plugin>
+                <groupId>com.atlassian.maven.plugins</groupId>
+                <artifactId>maven-clover2-plugin</artifactId>
+                <configuration>
+                    <jdk>${java.version}</jdk>
+                    <licenseLocation>${basedir}/../pmd/licences/clover2.license</licenseLocation>
+                </configuration>
+                <executions>
+                    <execution>
+                        <phase>pre-site</phase>
+                        <goals>
+                            <goal>instrument</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+    <dependencies>
+        <dependency>
+            <groupId>net.sourceforge.pmd</groupId>
+            <artifactId>pmd</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>net.sourceforge.pmd</groupId>
+            <artifactId>pmd-test</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.ant</groupId>
+            <artifactId>ant</artifactId>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.ant</groupId>
+            <artifactId>ant-testutil</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>jaxen</groupId>
+            <artifactId>jaxen</artifactId>
+            <exclusions>
+                <exclusion>
+                    <artifactId>xercesImpl</artifactId>
+                    <groupId>xerces</groupId>
+                </exclusion>
+                <exclusion>
+                    <artifactId>xalan</artifactId>
+                    <groupId>xalan</groupId>
+                </exclusion>
+                <exclusion>
+                    <artifactId>icu4j</artifactId>
+                    <groupId>com.ibm.icu</groupId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+        <dependency>
+          <groupId>com.beust</groupId>
+          <artifactId>jcommander</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.ow2.asm</groupId>
+            <artifactId>asm</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>net.sourceforge.saxon</groupId>
+            <artifactId>saxon</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>net.sourceforge.saxon</groupId>
+            <artifactId>saxon</artifactId>
+            <classifier>dom</classifier>
+            <scope>runtime</scope>
+        </dependency>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>xerces</groupId>
+            <artifactId>xercesImpl</artifactId>
+            <type>jar</type>
+            <scope>compile</scope>
+        </dependency>
+        <dependency>
+            <groupId>net.java.dev.javacc</groupId>
+            <artifactId>javacc</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>commons-io</groupId>
+            <artifactId>commons-io</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.mockito</groupId>
+            <artifactId>mockito-all</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-api</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+</project>
diff --git a/pmd/src/main/java/net/sourceforge/pmd/cpd/RubyLanguage.java b/pmd-ruby/src/main/java/net/sourceforge/pmd/cpd/RubyLanguage.java
similarity index 100%
rename from pmd/src/main/java/net/sourceforge/pmd/cpd/RubyLanguage.java
rename to pmd-ruby/src/main/java/net/sourceforge/pmd/cpd/RubyLanguage.java
diff --git a/pmd/src/main/java/net/sourceforge/pmd/cpd/RubyTokenizer.java b/pmd-ruby/src/main/java/net/sourceforge/pmd/cpd/RubyTokenizer.java
similarity index 100%
rename from pmd/src/main/java/net/sourceforge/pmd/cpd/RubyTokenizer.java
rename to pmd-ruby/src/main/java/net/sourceforge/pmd/cpd/RubyTokenizer.java
diff --git a/pmd/src/main/java/net/sourceforge/pmd/lang/ruby/RubyLanguageModule.java b/pmd-ruby/src/main/java/net/sourceforge/pmd/lang/ruby/RubyLanguageModule.java
similarity index 100%
rename from pmd/src/main/java/net/sourceforge/pmd/lang/ruby/RubyLanguageModule.java
rename to pmd-ruby/src/main/java/net/sourceforge/pmd/lang/ruby/RubyLanguageModule.java
diff --git a/pmd-ruby/src/main/resources/META-INF/services/net.sourceforge.pmd.lang.Language b/pmd-ruby/src/main/resources/META-INF/services/net.sourceforge.pmd.lang.Language
new file mode 100644
index 0000000000..b35b5aa41f
--- /dev/null
+++ b/pmd-ruby/src/main/resources/META-INF/services/net.sourceforge.pmd.lang.Language
@@ -0,0 +1 @@
+net.sourceforge.pmd.lang.ruby.RubyLanguageModule
diff --git a/pmd/src/test/java/net/sourceforge/pmd/cpd/RubyTokenizerTest.java b/pmd-ruby/src/test/java/net/sourceforge/pmd/cpd/RubyTokenizerTest.java
similarity index 100%
rename from pmd/src/test/java/net/sourceforge/pmd/cpd/RubyTokenizerTest.java
rename to pmd-ruby/src/test/java/net/sourceforge/pmd/cpd/RubyTokenizerTest.java
diff --git a/pmd/src/main/resources/META-INF/services/net.sourceforge.pmd.lang.Language b/pmd/src/main/resources/META-INF/services/net.sourceforge.pmd.lang.Language
index b35b5aa41f..e69de29bb2 100644
--- a/pmd/src/main/resources/META-INF/services/net.sourceforge.pmd.lang.Language
+++ b/pmd/src/main/resources/META-INF/services/net.sourceforge.pmd.lang.Language
@@ -1 +0,0 @@
-net.sourceforge.pmd.lang.ruby.RubyLanguageModule
diff --git a/pom.xml b/pom.xml
index e200dbc94f..84e597babe 100644
--- a/pom.xml
+++ b/pom.xml
@@ -636,6 +636,7 @@
         <module>pmd-xml</module>
         <module>pmd-php</module>
         <module>pmd-fortran</module>
+        <module>pmd-ruby</module>
         <module>pmd-dist</module>
     </modules>
 </project>