diff --git a/pom.xml b/pom.xml
index bda16da..0f4fc4b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -17,7 +17,9 @@
 		<java.version>11</java.version>
 		<maven.compiler.source>${java.version}</maven.compiler.source>
 		<maven.compiler.target>${java.version}</maven.compiler.target>
-		<json.simple.version>1.1.1</json.simple.version>
+		<json-simple.version>1.1.1</json-simple.version>
+		<dns-java.version>3.2.2</dns-java.version>
+		<commons-codec.version>1.15</commons-codec.version>
 	</properties>
 
 	<modules>
@@ -38,7 +40,7 @@
 			<dependency>
 				<groupId>org.keycloak</groupId>
 				<artifactId>keycloak-parent</artifactId>
-				<version>16.1.0</version>
+				<version>19.0.2</version>
 				<type>pom</type>
 				<scope>import</scope>
 			</dependency>
@@ -85,7 +87,7 @@
 		<dependency>
 			<groupId>com.googlecode.json-simple</groupId>
 			<artifactId>json-simple</artifactId>
-			<version>${json.simple.version}</version>
+			<version>${json-simple.version}</version>
 			<scope>runtime</scope>
 		</dependency>
 		<dependency>