diff --git a/pom.xml b/pom.xml
index 3b5e5cfa1..67a7c2d6b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -782,8 +782,8 @@
                 <artifactId>kotlin-maven-plugin</artifactId>
                 <configuration>
                     <jvmTarget>1.8</jvmTarget>
-                    <languageVersion>1.3</languageVersion>
-                    <apiVersion>1.3</apiVersion>
+                    <languageVersion>1.4</languageVersion>
+                    <apiVersion>1.4</apiVersion>
                     <args>
                         <arg>-Xopt-in=kotlin.RequiresOptIn</arg>
                         <arg>-Xopt-in=io.lettuce.core.ExperimentalLettuceCoroutinesApi