diff --git a/pom.xml b/pom.xml
index e1af8d2..cbe287c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -20,8 +20,9 @@
 	<properties>
 		<java.version>11</java.version>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-		<junit.platform.version>1.4.0</junit.platform.version>
-		<junit.version>5.4.0</junit.version>
+		<junit.platform.version>1.5.0-M1</junit.platform.version>
+		<junit.version>5.5.0-M1</junit.version>
+		<jackson.version>2.9.9</jackson.version>
 	</properties>
 	<scm>
 		<connection>scm:git:git@github.com:svenkubiak/JPushover.git</connection>
@@ -107,7 +108,7 @@
 					<dependency>
 						<groupId>org.codehaus.mojo</groupId>
 						<artifactId>extra-enforcer-rules</artifactId>
-						<version>1.1</version>
+						<version>1.2</version>
 					</dependency>
 				</dependencies>
 			</plugin>
@@ -200,7 +201,7 @@
 		<dependency>
 			<groupId>com.github.tomakehurst</groupId>
 			<artifactId>wiremock</artifactId>
-			<version>2.21.0</version>
+			<version>2.23.2</version>
 			<scope>test</scope>
 			<exclusions>
 				<exclusion>
@@ -242,13 +243,13 @@
 		<dependency>
 			<groupId>org.apache.commons</groupId>
 			<artifactId>commons-lang3</artifactId>
-			<version>3.8.1</version>
+			<version>3.9</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>
 			<groupId>com.fasterxml.jackson.core</groupId>
 			<artifactId>jackson-databind</artifactId>
-			<version>2.9.8</version>
+			<version>${jackson.version}</version>
 			<scope>test</scope>
 			<exclusions>
 				<exclusion>
@@ -268,13 +269,13 @@
 		<dependency>
 			<groupId>com.fasterxml.jackson.core</groupId>
 			<artifactId>jackson-annotations</artifactId>
-			<version>2.9.8</version>
+			<version>${jackson.version}</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>
 			<groupId>com.fasterxml.jackson.core</groupId>
 			<artifactId>jackson-core</artifactId>
-			<version>2.9.8</version>
+			<version>${jackson.version}</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>