diff --git a/maoni-sample/build.gradle b/maoni-sample/build.gradle
index 53824595..9b88e34a 100644
--- a/maoni-sample/build.gradle
+++ b/maoni-sample/build.gradle
@@ -197,7 +197,7 @@ dependencies {
     implementation 'androidx.appcompat:appcompat:1.3.1'
     implementation 'androidx.cardview:cardview:1.0.0'
     implementation 'com.facebook.stetho:stetho:1.6.0'
-    debugImplementation 'com.squareup.leakcanary:leakcanary-android:2.7'
+    debugImplementation 'com.squareup.leakcanary:leakcanary-android:2.8.1'
     implementation("com.mikepenz:aboutlibraries:${aboutlibraries_version}@aar") {
         transitive = true
     }