Updated dependencies log4j and gson

Author: RijnBuve-TomTom

README.md

@@ -480,6 +480,10 @@ Normally, one of our developers should be able to comment on them and fix.
 
 These are the release notes for the Java library for mapcodes.
 
+### 2.4.16
+
+* Updated `log4j` and `gson` dependencies.
+
 ### 2.4.15
 
 * Removed country code ANT (not used for mapcodes) after JDK 1.8. Fixed unit test for that.

pom.xml

@@ -24,7 +24,7 @@
     <artifactId>mapcode</artifactId>
 
     <packaging>jar</packaging>
-    <version>2.4.15</version>
+    <version>2.4.16</version>
 
     <name>Mapcode Java Library</name>
     <description>
@@ -100,10 +100,10 @@
         <nexus-staging-maven-plugin.version>1.6.8</nexus-staging-maven-plugin.version>
 
         <!-- libraries. -->
-        <gson.version>2.8.6</gson.version>
+        <gson.version>2.8.9</gson.version>
         <jsr305.version>3.0.2</jsr305.version>
         <junit.version>4.13.2</junit.version>
-        <log4j.version>1.2.17</log4j.version>
+        <log4j.version>2.17.0</log4j.version>
         <slf4j.version>1.7.30</slf4j.version>
     </properties>
 
@@ -299,8 +299,14 @@
         </dependency>
 
         <dependency>
-            <groupId>log4j</groupId>
-            <artifactId>log4j</artifactId>
+            <groupId>org.apache.logging.log4j</groupId>
+            <artifactId>log4j-api</artifactId>
+            <version>${log4j.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.logging.log4j</groupId>
+            <artifactId>log4j-core</artifactId>
             <version>${log4j.version}</version>
         </dependency>