diff --git a/packages/battery_plus/battery_plus/android/build.gradle b/packages/battery_plus/battery_plus/android/build.gradle
index be70192ab4..2ed3741a03 100644
--- a/packages/battery_plus/battery_plus/android/build.gradle
+++ b/packages/battery_plus/battery_plus/android/build.gradle
@@ -2,6 +2,7 @@ group 'dev.fluttercommunity.plus.battery'
 version '1.0-SNAPSHOT'
 
 buildscript {
+    ext.kotlin_version = '1.7.22'
     repositories {
         google()
         mavenCentral()
diff --git a/packages/battery_plus/battery_plus/example/android/build.gradle b/packages/battery_plus/battery_plus/example/android/build.gradle
index fb84b31600..f84fd477af 100644
--- a/packages/battery_plus/battery_plus/example/android/build.gradle
+++ b/packages/battery_plus/battery_plus/example/android/build.gradle
@@ -1,5 +1,5 @@
 buildscript {
-    ext.kotlin_version = '1.9.10'
+    ext.kotlin_version = '1.8.20'
     repositories {
         google()
         mavenCentral()