diff --git a/build.gradle b/build.gradle
index 7ce2a5b..8c03519 100644
--- a/build.gradle
+++ b/build.gradle
@@ -47,7 +47,7 @@ catalog {
         version('jna', '5.13.0')
         version('jboss-ejb-client', '5.0.1.Final')
         version('junit.jupiter', '5.9.2')
-        version('kotlin', '1.8.10')
+        version('kotlin', '1.8.21')
         version('log4j', '2.20.0')
         version('netty', '4.1.89.Final')
         version('parsson', '1.1.1')
@@ -196,6 +196,7 @@ catalog {
         plugin('dependency-export', 'net.woggioni.gradle.dependency-export').versionRef('my-gradle-plugins')
         plugin('kotlin.jvm', 'org.jetbrains.kotlin.jvm').versionRef('kotlin')
         plugin('kotlin.js', 'org.jetbrains.kotlin.js').versionRef('kotlin')
+        plugin('kotlin.multiplatform', 'org.jetbrains.kotlin.multiplatform').versionRef('kotlin')
         plugin('bnd', 'biz.aQute.bnd.builder').versionRef('bnd')
     }
 }
diff --git a/gradle.properties b/gradle.properties
index cab91bd..a381a5a 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1 +1 @@
-lys.catalog.version = 2023.05.19
\ No newline at end of file
+lys.catalog.version = 2023.05.20
\ No newline at end of file