diff --git a/pom.xml b/pom.xml
index 0895980..b6802bc 100644
--- a/pom.xml
+++ b/pom.xml
@@ -30,9 +30,6 @@
 	<name>JPushover</name>
 	<description>Minimalist convenient class for sending messages to Pushover in Java project</description>
 	<url>https://github.com/svenkubiak/JPushover</url>
-	<prerequisites>
-		<maven>3.0</maven>
-	</prerequisites>
 	<build>
 		<plugins>
 			<plugin>
@@ -59,6 +56,59 @@
 					</execution>
 				</executions>
 			</plugin>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-enforcer-plugin</artifactId>
+                <version>3.0.0-M2</version>
+				<configuration>
+					<rules>
+						<DependencyConvergence>
+							<uniqueVersions>false</uniqueVersions>
+						</DependencyConvergence>
+					</rules>
+				</configuration>
+				<executions>
+					<execution>
+						<id>enforce</id>
+						<goals>
+							<goal>enforce</goal>
+						</goals>
+						<phase>validate</phase>
+					</execution>
+					<execution>
+						<id>enforce-maven</id>
+						<goals>
+							<goal>enforce</goal>
+						</goals>
+						<configuration>
+							<rules>
+								<requireMavenVersion>
+									<version>3.0.5</version>
+								</requireMavenVersion>
+							</rules>
+						</configuration>
+					</execution>
+					<execution>
+						<id>enforce-ban-circular-dependencies</id>
+						<goals>
+							<goal>enforce</goal>
+						</goals>
+						<configuration>
+							<rules>
+								<banCircularDependencies />
+							</rules>
+							<fail>true</fail>
+						</configuration>
+					</execution>
+				</executions>
+				<dependencies>
+					<dependency>
+						<groupId>org.codehaus.mojo</groupId>
+						<artifactId>extra-enforcer-rules</artifactId>
+						<version>1.0-beta-9</version>
+					</dependency>
+				</dependencies>
+			</plugin>
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-javadoc-plugin</artifactId>
diff --git a/src/main/java/de/svenkubiak/jpushover/JPushover.java b/src/main/java/de/svenkubiak/jpushover/JPushover.java
index ccf39f6..b301f32 100644
--- a/src/main/java/de/svenkubiak/jpushover/JPushover.java
+++ b/src/main/java/de/svenkubiak/jpushover/JPushover.java
@@ -247,6 +247,9 @@ public class JPushover {
      * Optional device parameter to check specific device
      *
      * @return true if token and user are valid and at least on device is on the account, false otherwise
+     *
+     * @throws IOException if validation fails
+     * @throws InterruptedException if validation fails
      */
     public boolean validate() throws IOException, InterruptedException {
         Objects.requireNonNull(this.pushoverToken, "Token is required for validation");
@@ -274,6 +277,9 @@ public class JPushover {
      * Sends a message to pushover
      *
      * @return JPushoverResponse instance
+     *
+     * @throws IOException if validation fails
+     * @throws InterruptedException if validation fails
      */
     public final JPushoverResponse push() throws IOException, InterruptedException {
         Objects.requireNonNull(this.pushoverToken, "Token is required for a message");
diff --git a/src/main/java/module-info.java b/src/main/java/module-info.java
deleted file mode 100644
index 68316b9..0000000
--- a/src/main/java/module-info.java
+++ /dev/null
@@ -1,6 +0,0 @@
-module jpushover {
-    requires java.net.http;
-    requires minimal.json;
-    requires org.apache.commons.lang3;
-    exports de.svenkubiak.jpushover;
-}
\ No newline at end of file