diff --git a/pom.xml b/pom.xml
index ce9f8ab..6068977 100644
--- a/pom.xml
+++ b/pom.xml
@@ -20,8 +20,7 @@
 				<version>2.1</version>
 				<configuration>
 					<transformers>
-						<transformer
-							implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
+						<transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
 							<manifestEntries>
 								<Main-Class>io.meterian.samples.jackson.Main</Main-Class>
 							</manifestEntries>
@@ -45,7 +44,7 @@
 		<dependency>
 			<groupId>com.sparkjava</groupId>
 			<artifactId>spark-core</artifactId>
-			<version>2.7.2</version>
+			<version>2.9.1</version>
 		</dependency>
 
 		<dependency>
@@ -57,7 +56,7 @@
 		<dependency>
 			<groupId>ch.qos.logback</groupId>
 			<artifactId>logback-classic</artifactId>
-			<version>1.2.3</version>
+			<version>1.2.7</version>
 		</dependency>
 
 		<dependency>