diff --git a/kotlin-coroutine/pom.xml b/kotlin-coroutine/pom.xml
index 0406336..069b5d4 100644
--- a/kotlin-coroutine/pom.xml
+++ b/kotlin-coroutine/pom.xml
@@ -16,7 +16,7 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <kotlin.version>1.4.0</kotlin.version>
+        <kotlin.version>1.6.0</kotlin.version>
         <kotlin.code.style>official</kotlin.code.style>
         <junit.version>4.13.1</junit.version>
     </properties>