diff --git a/.idea/kotlinc.xml b/.idea/kotlinc.xml
index fddb100a7..56c25ee01 100644
--- a/.idea/kotlinc.xml
+++ b/.idea/kotlinc.xml
@@ -8,6 +8,6 @@
   </component>
   <component name="KotlinJpsPluginSettings">
     <option name="externalSystemId" value="Gradle" />
-    <option name="version" value="2.3.20" />
+    <option name="version" value="2.3.21" />
   </component>
 </project>
\ No newline at end of file