Upgrading dependencies to fix security vulnerabilities

Author: gnongsie

pom.xml

@@ -117,7 +117,7 @@
 		<dependency>
 			<groupId>com.google.code.gson</groupId>
 			<artifactId>gson</artifactId>
-			<version>2.3.1</version>
+			<version>2.8.9</version>
 			<scope>compile</scope>
 		</dependency>
 	</dependencies>
@@ -128,7 +128,7 @@
 		<maven.compile.target>1.5</maven.compile.target>
 		<maven.compile.optimize>true</maven.compile.optimize>
 		<maven.compile.deprecation>true</maven.compile.deprecation>
-		<log4j.version>2.17.1</log4j.version>
+		<log4j.version>2.23.1</log4j.version>
 	</properties>
 	<build>
 		<plugins>