diff --git a/monitor.observer.alpha/src/main/java/module-info.java b/monitor.observer.alpha/src/main/java/module-info.java
new file mode 100644
index 0000000..f8aaa06
--- /dev/null
+++ b/monitor.observer.alpha/src/main/java/module-info.java
@@ -0,0 +1,4 @@
+module monitor.observer.alpha {
+	requires monitor.observer;
+	exports monitor.observer.alpha;
+}
diff --git a/monitor.observer.beta/src/main/java/module-info.java b/monitor.observer.beta/src/main/java/module-info.java
new file mode 100644
index 0000000..a53c998
--- /dev/null
+++ b/monitor.observer.beta/src/main/java/module-info.java
@@ -0,0 +1,4 @@
+module monitor.observer.beta {
+	requires monitor.observer;
+	exports monitor.observer.beta;
+}
diff --git a/monitor.observer/src/main/java/module-info.java b/monitor.observer/src/main/java/module-info.java
new file mode 100644
index 0000000..68622f9
--- /dev/null
+++ b/monitor.observer/src/main/java/module-info.java
@@ -0,0 +1,3 @@
+module monitor.observer {
+	exports monitor.observer;
+}
diff --git a/monitor.rest/pom.xml b/monitor.rest/pom.xml
index 27defdb..3ef842d 100644
--- a/monitor.rest/pom.xml
+++ b/monitor.rest/pom.xml
@@ -38,6 +38,45 @@
 			<groupId>com.google.code.findbugs</groupId>
 			<artifactId>jsr305</artifactId>
 		</dependency>
+
+		<dependency>
+			<groupId>com.sun.activation</groupId>
+			<artifactId>javax.activation</artifactId>
+			<version>1.2.0</version>
+		</dependency>
+		<dependency>
+			<groupId>javax.annotation</groupId>
+			<artifactId>javax.annotation-api</artifactId>
+			<version>1.3.1</version>
+		</dependency>
+		<dependency>
+			<groupId>javax.xml.bind</groupId>
+			<artifactId>jaxb-api</artifactId>
+			<version>2.3.0</version>
+		</dependency>
+		<dependency>
+			<groupId>com.sun.xml.bind</groupId>
+			<artifactId>jaxb-core</artifactId>
+			<version>2.3.0</version>
+		</dependency>
+		<dependency>
+			<groupId>com.sun.xml.bind</groupId>
+			<artifactId>jaxb-impl</artifactId>
+			<version>2.3.0</version>
+		</dependency>
 	</dependencies>
 
+	<build>
+		<plugins>
+			<plugin>
+				<artifactId>maven-compiler-plugin</artifactId>
+				<configuration>
+					<compilerArgs>
+						<arg>--patch-module=java.annotation=${settings.localRepository}/com/google/code/findbugs/jsr305/3.0.2/jsr305-3.0.2.jar</arg>
+					</compilerArgs>
+				</configuration>
+			</plugin>
+		</plugins>
+	</build>
+
 </project>
diff --git a/monitor.rest/src/main/java/module-info.java b/monitor.rest/src/main/java/module-info.java
new file mode 100644
index 0000000..ea25897
--- /dev/null
+++ b/monitor.rest/src/main/java/module-info.java
@@ -0,0 +1,14 @@
+module monitor.rest {
+	requires java.xml.bind;
+	requires java.annotation;
+
+	requires monitor.utils;
+	requires monitor.statistics;
+
+	requires spark.core;
+	requires jackson.core;
+	requires jackson.databind;
+
+	exports monitor.rest;
+	opens monitor.rest to java.xml.bind;
+}
diff --git a/monitor.statistics/src/main/java/module-info.java b/monitor.statistics/src/main/java/module-info.java
new file mode 100644
index 0000000..e8c6528
--- /dev/null
+++ b/monitor.statistics/src/main/java/module-info.java
@@ -0,0 +1,4 @@
+module monitor.statistics {
+	requires monitor.observer;
+	exports monitor.statistics;
+}
diff --git a/monitor.utils/src/main/java/module-info.java b/monitor.utils/src/main/java/module-info.java
new file mode 100644
index 0000000..3250e4a
--- /dev/null
+++ b/monitor.utils/src/main/java/module-info.java
@@ -0,0 +1,3 @@
+module monitor.utils {
+	exports monitor.utils;
+}
diff --git a/monitor.utils/src/main/java/monitor/utils/Utils.java b/monitor.utils/src/main/java/monitor/utils/Utils.java
index 7802f1f..25d2047 100644
--- a/monitor.utils/src/main/java/monitor/utils/Utils.java
+++ b/monitor.utils/src/main/java/monitor/utils/Utils.java
@@ -1,8 +1,7 @@
 package monitor.utils;
 
-import sun.misc.BASE64Encoder;
-
 import java.util.Arrays;
+import java.util.Base64;
 import java.util.Optional;
 import java.util.function.Supplier;
 import java.util.stream.Stream;
@@ -22,7 +21,7 @@ public static <T> Optional<T> firstPresent(Supplier<Optional<T>>... optionals) {
 	}
 
 	public static String toBase64(String content) {
-		return new BASE64Encoder().encode(content.getBytes());
+		return Base64.getEncoder().encodeToString(content.getBytes());
 	}
 
 }
diff --git a/monitor/src/main/java/monitor/Main.java b/monitor/src/main/java/monitor/Main.java
index 197c553..0262fee 100644
--- a/monitor/src/main/java/monitor/Main.java
+++ b/monitor/src/main/java/monitor/Main.java
@@ -11,6 +11,7 @@
 
 import java.net.URL;
 import java.net.URLClassLoader;
+import java.util.Arrays;
 import java.util.List;
 import java.util.Optional;
 import java.util.concurrent.Executors;
@@ -27,7 +28,7 @@ public class Main {
 	public static void main(String[] args) {
 		logClassPathContent();
 
-		Monitor monitor = createMonitor();
+		var monitor = createMonitor();
 		MonitorServer server = MonitorServer
 				.create(monitor::currentStatistics)
 				.start();
@@ -43,9 +44,8 @@ public static void main(String[] args) {
 	}
 
 	private static void logClassPathContent() {
-		URLClassLoader classLoader = (URLClassLoader) Main.class.getClassLoader();
-		String message = stream(classLoader.getURLs())
-				.map(URL::toString)
+		String[] classPath = System.getProperty("java.class.path").split(":");
+		String message = Arrays.stream(classPath)
 				.map(url -> "\t" + url)
 				.collect(joining("\n", "Class path content:\n", "\n"));
 		System.out.println(message);
diff --git a/move-modules.sh b/move-modules.sh
new file mode 100755
index 0000000..e9ad325
--- /dev/null
+++ b/move-modules.sh
@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+
+rm -rf mods
+mkdir mods
+mv app/utils.jar mods
+mv app/observer* mods
+mv app/statistics.jar mods
+mv app/rest.jar mods
+mv app/jaxb-api.jar mods
+mv app/javax.activation.jar mods
+mv app/javax.annotation-api.jar mods
+mv app/spark-core.jar mods
+mv app/jackson-core.jar mods
+mv app/jackson-databind.jar mods
diff --git a/pom.xml b/pom.xml
index 6dad25f..fc922f9 100644
--- a/pom.xml
+++ b/pom.xml
@@ -11,8 +11,8 @@
 
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-		<maven.compiler.source>1.8</maven.compiler.source>
-		<maven.compiler.target>1.8</maven.compiler.target>
+		<maven.compiler.source>11</maven.compiler.source>
+		<maven.compiler.target>11</maven.compiler.target>
 	</properties>
 
 	<modules>
@@ -52,7 +52,7 @@
 			<dependency>
 				<groupId>org.mockito</groupId>
 				<artifactId>mockito-core</artifactId>
-				<version>2.2.1</version>
+				<version>2.18.3</version>
 			</dependency>
 			<dependency>
 				<groupId>org.assertj</groupId>
@@ -74,7 +74,7 @@
 			</plugin>
 			<plugin>
 				<artifactId>maven-compiler-plugin</artifactId>
-				<version>3.7.0</version>
+				<version>3.8.0</version>
 				<configuration>
 					<fork>true</fork>
 				</configuration>