diff --git a/app/android/build.gradle b/app/android/build.gradle
index 61a47e77..68b05e9c 100644
--- a/app/android/build.gradle
+++ b/app/android/build.gradle
@@ -1,5 +1,5 @@
 buildscript {
-    ext.kotlin_version = '1.6.10'
+    ext.kotlin_version = '1.6.21'
     repositories {
         google()
         mavenCentral()
diff --git a/plugin/android/build.gradle b/plugin/android/build.gradle
index 4a69dea7..c4f19745 100644
--- a/plugin/android/build.gradle
+++ b/plugin/android/build.gradle
@@ -2,7 +2,7 @@ group 'com.nkming.nc_photos.plugin'
 version '1.0-SNAPSHOT'
 
 buildscript {
-    ext.kotlin_version = '1.6.10'
+    ext.kotlin_version = '1.6.21'
     repositories {
         google()
         mavenCentral()