diff --git a/pom.xml b/pom.xml
index 8308357..3161c37 100644
--- a/pom.xml
+++ b/pom.xml
@@ -10,8 +10,11 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <kotlin.version>1.2.61</kotlin.version>
-        <kotlin.coroutines.version>0.24.0</kotlin.coroutines.version>
+        <kotlin.version>1.2.70</kotlin.version>
+        <kotlin.coroutines.version>0.25.3</kotlin.coroutines.version>
+
+        <gson.version>2.8.5</gson.version>
+
         <dokka.version>0.9.16</dokka.version>
         <assembly.version>2.6</assembly.version>
         <source.version>3.0.1</source.version>
@@ -165,5 +168,13 @@
             <artifactId>joda-time</artifactId>
             <version>2.10</version>
         </dependency>
+
+        <!-- https://mvnrepository.com/artifact/com.google.code.gson/gson -->
+        <dependency>
+            <groupId>com.google.code.gson</groupId>
+            <artifactId>gson</artifactId>
+            <version>${gson.version}</version>
+        </dependency>
+
     </dependencies>
 </project>