diff --git a/README.md b/README.md
index 222e458..dee60c8 100644
--- a/README.md
+++ b/README.md
@@ -18,45 +18,65 @@ This library is open source, stable and well tested. Development happens on [Git
 Installation
 ------------
 
-To include the latest release in your Java project follow the instructions below. Instructions for alternative build systems such as Gradle, SBT, or Leiningen you can find on [JitPack](https://jitpack.io/#petitparser/java-petitparser).
+To include the latest release in your Java project follow the instructions below.
 
-### Maven
+### Maven Central
 
-Append the repository to your `pom.xml` file:
+To depend on the core library, add the following dependency to your `pom.xml` file:
 
 ```xml
-<repositories>
-  <repository>
-    <id>jitpack.io</id>
-    <url>https://jitpack.io</url>
-  </repository>
-</repositories>
+<dependency>
+  <groupId>com.github.petitparser</groupId>
+  <artifactId>petitparser-core</artifactId>
+  <version>2.2.0</version>
+</dependency>
+```
+
+To also include the example grammars, use the following dependency:
+
+```xml
+<dependency>
+  <groupId>com.github.petitparser</groupId>
+  <artifactId>petitparser</artifactId>
+  <version>2.2.0</version>
+</dependency>
+```
+
+Instructions for alternative build systems you can find on [Maven Central](https://search.maven.org/artifact/com.github.petitparser/petitparser-core).
+
+### Maven JitPack
+
+JitPack requires you to first append the repository to your `pom.xml` file:
+
+```xml
+<repository>
+  <id>jitpack.io</id>
+  <url>https://jitpack.io</url>
+</repository>
 ```
 
 To depend on the core library, add the following dependency:
 
 ```xml
-<dependencies>
-  <dependency>
-    <groupId>com.github.petitparser.java-petitparser</groupId>
-    <artifactId>petitparser-core</artifactId>
-    <version>2.1.0</version>
-  </dependency>
-</dependencies>
+<dependency>
+  <groupId>com.github.petitparser.java-petitparser</groupId>
+  <artifactId>petitparser-core</artifactId>
+  <version>2.2.0</version>
+</dependency>
 ```
 
 To also include the example grammars, use the following dependency:
 
 ```xml
-<dependencies>
-  <dependency>
-    <groupId>com.github.petitparser</groupId>
-    <artifactId>java-petitparser</artifactId>
-    <version>2.1.0</version>
-  </dependency>
-</dependencies>
+<dependency>
+  <groupId>com.github.petitparser</groupId>
+  <artifactId>java-petitparser</artifactId>
+  <version>2.2.0</version>
+</dependency>
 ```
 
+Instructions for alternative build systems such as Gradle, SBT, or Leiningen you can find on [JitPack](https://jitpack.io/#petitparser/java-petitparser).
+
 ### Bazel
 
 Alternatively, if you'd like the latest code clone the repository:
diff --git a/petitparser-core/pom.xml b/petitparser-core/pom.xml
index d5e9259..ca9c356 100644
--- a/petitparser-core/pom.xml
+++ b/petitparser-core/pom.xml
@@ -7,7 +7,7 @@
   <parent>
     <groupId>com.github.petitparser</groupId>
     <artifactId>petitparser</artifactId>
-    <version>2.1.0</version>
+    <version>2.2.0</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
diff --git a/petitparser-json/pom.xml b/petitparser-json/pom.xml
index d17d27b..f1b3f08 100644
--- a/petitparser-json/pom.xml
+++ b/petitparser-json/pom.xml
@@ -7,7 +7,7 @@
   <parent>
     <groupId>com.github.petitparser</groupId>
     <artifactId>petitparser</artifactId>
-    <version>2.1.0</version>
+    <version>2.2.0</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
@@ -19,7 +19,7 @@
     <dependency>
       <groupId>com.github.petitparser</groupId>
       <artifactId>petitparser-core</artifactId>
-      <version>2.1.0</version>
+      <version>2.2.0</version>
     </dependency>
   </dependencies>
 </project>
diff --git a/petitparser-smalltalk/pom.xml b/petitparser-smalltalk/pom.xml
index f232bca..0e1865a 100644
--- a/petitparser-smalltalk/pom.xml
+++ b/petitparser-smalltalk/pom.xml
@@ -7,7 +7,7 @@
   <parent>
     <groupId>com.github.petitparser</groupId>
     <artifactId>petitparser</artifactId>
-    <version>2.1.0</version>
+    <version>2.2.0</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
@@ -19,7 +19,7 @@
     <dependency>
       <groupId>com.github.petitparser</groupId>
       <artifactId>petitparser-core</artifactId>
-      <version>2.1.0</version>
+      <version>2.2.0</version>
     </dependency>
   </dependencies>
 </project>
diff --git a/petitparser-xml/pom.xml b/petitparser-xml/pom.xml
index fce9ff3..3b9c7ec 100644
--- a/petitparser-xml/pom.xml
+++ b/petitparser-xml/pom.xml
@@ -7,7 +7,7 @@
   <parent>
     <groupId>com.github.petitparser</groupId>
     <artifactId>petitparser</artifactId>
-    <version>2.1.0</version>
+    <version>2.2.0</version>
     <relativePath>../pom.xml</relativePath>
   </parent>
 
@@ -19,7 +19,7 @@
     <dependency>
       <groupId>com.github.petitparser</groupId>
       <artifactId>petitparser-core</artifactId>
-      <version>2.1.0</version>
+      <version>2.2.0</version>
     </dependency>
   </dependencies>
 </project>
diff --git a/pom.xml b/pom.xml
index e64039f..84776d3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,16 +5,15 @@
   <modelVersion>4.0.0</modelVersion>
 
   <properties>
-    <java.version>1.8</java.version>
-    <junit.version>4.12</junit.version>
-    <coveralls.version>4.3.0</coveralls.version>
+    <maven.compiler.source>1.8</maven.compiler.source>
+    <maven.compiler.target>1.8</maven.compiler.target>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <project.reporting.sourceEncoding>UTF-8</project.reporting.sourceEncoding>
   </properties>
 
   <groupId>com.github.petitparser</groupId>
   <artifactId>petitparser</artifactId>
-  <version>2.1.0</version>
+  <version>2.2.0</version>
   <packaging>pom</packaging>
 
   <name>PetitParser</name>
@@ -66,10 +65,18 @@
   </modules>
 
   <dependencies>
+    <!-- https://mvnrepository.com/artifact/junit/junit -->
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>${junit.version}</version>
+      <version>4.12</version>
+      <scope>test</scope>
+    </dependency>
+    <!-- https://mvnrepository.com/artifact/org.hamcrest/java-hamcrest -->
+    <dependency>
+      <groupId>org.hamcrest</groupId>
+      <artifactId>java-hamcrest</artifactId>
+      <version>2.0.0.0</version>
       <scope>test</scope>
     </dependency>
   </dependencies>
@@ -77,34 +84,34 @@
   <build>
     <pluginManagement>
       <plugins>
+        <!-- https://mvnrepository.com/artifact/org.apache.maven.plugins/maven-compiler-plugin/3.8.0 -->
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-compiler-plugin</artifactId>
-          <version>3.7.0</version>
-          <configuration>
-            <source>${java.version}</source>
-            <target>${java.version}</target>
-          </configuration>
+          <version>3.8.0</version>
         </plugin>
       </plugins>
     </pluginManagement>
     <plugins>
+      <!-- https://mvnrepository.com/artifact/org.apache.maven.plugins/maven-compiler-plugin/3.8.0 -->
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-compiler-plugin</artifactId>
-        <version>3.7.0</version>
+        <version>3.8.0</version>
         <configuration>
           <compilerId>javac-with-errorprone</compilerId>
           <forceJavacCompilerUse>true</forceJavacCompilerUse>
         </configuration>
         <dependencies>
+          <!-- https://mvnrepository.com/artifact/org.codehaus.plexus/plexus-compiler-javac-errorprone -->
           <dependency>
             <groupId>org.codehaus.plexus</groupId>
             <artifactId>plexus-compiler-javac-errorprone</artifactId>
-            <version>2.8.2</version>
+            <version>2.8.5</version>
           </dependency>
         </dependencies>
       </plugin>
+      <!-- https://mvnrepository.com/artifact/org.apache.maven.plugins/maven-source-plugin -->
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-source-plugin</artifactId>
@@ -118,12 +125,15 @@
           </execution>
         </executions>
       </plugin>
+      <!-- https://mvnrepository.com/artifact/org.apache.maven.plugins/maven-javadoc-plugin -->
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-javadoc-plugin</artifactId>
-        <version>3.0.0</version>
+        <version>3.0.1</version>
         <configuration>
           <additionalparam>-Xdoclint:none</additionalparam>
+          <additionalOptions>-Xdoclint:none</additionalOptions>
+          <additionalOptions>-html5</additionalOptions>
         </configuration>
         <executions>
           <execution>
@@ -134,27 +144,108 @@
           </execution>
         </executions>
       </plugin>
+      <!-- https://mvnrepository.com/artifact/org.eluder.coveralls/coveralls-maven-plugin -->
       <plugin>
         <groupId>org.eluder.coveralls</groupId>
         <artifactId>coveralls-maven-plugin</artifactId>
-        <version>${coveralls.version}</version>
+        <version>4.3.0</version>
         <configuration>
           <repoToken>${env.COVERALLS_TOKEN}</repoToken>
         </configuration>
+        <dependencies>
+          <dependency>
+            <groupId>javax.xml.bind</groupId>
+            <artifactId>jaxb-api</artifactId>
+            <version>2.2.3</version>
+          </dependency>
+        </dependencies>
       </plugin>
+      <!-- https://mvnrepository.com/artifact/org.jacoco/jacoco-maven-plugin -->
       <plugin>
         <groupId>org.jacoco</groupId>
         <artifactId>jacoco-maven-plugin</artifactId>
-        <version>0.7.9</version>
+        <version>0.8.2</version>
         <executions>
           <execution>
-            <id>prepare-agent</id>
+            <id>default-prepare-agent</id>
             <goals>
               <goal>prepare-agent</goal>
             </goals>
           </execution>
+          <execution>
+            <id>default-prepare-agent-integration</id>
+            <phase>pre-integration-test</phase>
+            <goals>
+              <goal>prepare-agent-integration</goal>
+            </goals>
+          </execution>
+          <execution>
+            <id>default-report</id>
+            <goals>
+              <goal>report</goal>
+            </goals>
+          </execution>
+          <execution>
+            <id>default-report-integration</id>
+            <goals>
+              <goal>report-integration</goal>
+            </goals>
+          </execution>
         </executions>
       </plugin>
     </plugins>
   </build>
+
+  <!-- Deploy to Maven Central: mvn -Poss -DskipTests deploy -->
+  <profiles>
+    <profile>
+      <id>oss</id>
+      <build>
+        <plugins>
+          <plugin>
+            <groupId>org.apache.maven.plugins</groupId>
+            <artifactId>maven-gpg-plugin</artifactId>
+            <version>1.5</version>
+            <executions>
+              <execution>
+                <id>sign-artifacts</id>
+                <phase>verify</phase>
+                <goals>
+                  <goal>sign</goal>
+                </goals>
+                <configuration>
+                  <executable>gpg2</executable>
+                  <useAgent>true</useAgent>
+                  <keyname>${gpg.keyname}</keyname>
+                  <passphraseServerId>${gpg.keyname}</passphraseServerId>
+                </configuration>
+              </execution>
+            </executions>
+          </plugin>
+          <plugin>
+            <groupId>org.sonatype.plugins</groupId>
+            <artifactId>nexus-staging-maven-plugin</artifactId>
+            <version>1.6.3</version>
+            <extensions>true</extensions>
+            <configuration>
+              <serverId>ossrh</serverId>
+              <nexusUrl>https://oss.sonatype.org/</nexusUrl>
+              <autoReleaseAfterClose>true</autoReleaseAfterClose>
+            </configuration>
+          </plugin>
+        </plugins>
+      </build>
+      <distributionManagement>
+        <snapshotRepository>
+          <id>ossrh</id>
+          <url>https://oss.sonatype.org/content/repositories/snapshots</url>
+        </snapshotRepository>
+        <repository>
+          <id>ossrh</id>
+          <url>https://oss.sonatype.org/service/local/staging/deploy/maven2/
+          </url>
+        </repository>
+      </distributionManagement>
+    </profile>
+  </profiles>
 </project>