diff --git a/gradle/dependencies.gradle b/gradle/dependencies.gradle
index 7a00ec7..26a6e89 100644
--- a/gradle/dependencies.gradle
+++ b/gradle/dependencies.gradle
@@ -2,7 +2,7 @@
 ext {
     versions = [
         jackson           : '2.12.3',      // Json Serializer / Deserializer
-        okhttp            : '4.2.2',       // HTTP Client
+        okhttp            : '4.9.1',       // HTTP Client
         slf4j             : '1.7.31',      // Logging 
         logback           : '1.2.3',       // Logging
         undertow          : '2.2.8.Final',// Webserver
@@ -25,7 +25,7 @@ ext {
         sitemapgen4j      : '1.1.2',       // Sitemap generator for SEO
         jbcrypt           : '0.4',         // BCrypt salted hashing library
         romeRss           : '1.0',         // RSS Library
-        kotlin            : '1.5.20',      // Kotlin
+        kotlin            : '1.4.0',      // Kotlin
         javax             : '1.3.2',
         jbossLogging      : '3.4.2.Final',
         jbossThreads      : '3.4.0.Final',
diff --git a/stubbornjava-common/build.gradle b/stubbornjava-common/build.gradle
index 4bb275b..9cd8766 100644
--- a/stubbornjava-common/build.gradle
+++ b/stubbornjava-common/build.gradle
@@ -42,6 +42,7 @@ dependencies {
     api libs.connectorj
     api libs.javaxAnnotation
     api libs.commonsCodec
+    api libs.kotlin
 
     compileOnly libs.lombok
     annotationProcessor libs.lombok