diff --git a/demo/build.gradle b/demo/build.gradle
index a9403ac..0428e45 100644
--- a/demo/build.gradle
+++ b/demo/build.gradle
@@ -1,13 +1,13 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 27
+    compileSdkVersion 33
     buildToolsVersion "27.0.1"
 
     defaultConfig {
         applicationId "net.cachapa.expandablelayoutdemo"
         minSdkVersion 14
-        targetSdkVersion 27
+        targetSdkVersion 33
         versionCode 5
         versionName "2.9.1"
     }