diff --git a/build.gradle b/build.gradle
index a27074d..232f488 100644
--- a/build.gradle
+++ b/build.gradle
@@ -26,10 +26,10 @@ task clean(type: Delete) {
 
 ext {
     minSdk = 14
-    targetSdk = 28
+    targetSdk = 31
 
-    appCompatVersion = '1.2.0'
-    materialVersion = '1.1.0'
+    appCompatVersion = '1.4.1'
+    materialVersion = '1.3.0'
     jUnitVersion = '4.12'
     robolectricVersion = '3.1.2'
 }
diff --git a/changelog.md b/changelog.md
new file mode 100644
index 0000000..096b1dc
--- /dev/null
+++ b/changelog.md
@@ -0,0 +1,6 @@
+## 1.5.1
+
+#### Fixed
+#### Changes
+- updated targetSdkVersion to 31
+#### Additions
diff --git a/demo/src/main/AndroidManifest.xml b/demo/src/main/AndroidManifest.xml
index 699bf9d..6e68c18 100644
--- a/demo/src/main/AndroidManifest.xml
+++ b/demo/src/main/AndroidManifest.xml
@@ -10,16 +10,18 @@
         android:theme="@style/AppTheme"
         tools:ignore="AllowBackup,GoogleAppIndexingWarning">
 
-        <activity android:name="ru.tinkoff.decoro.demo.MainActivity">
+        <activity
+            android:name="ru.tinkoff.decoro.demo.MainActivity"
+            android:exported="true">
             <intent-filter>
-                <action android:name="android.intent.action.MAIN"/>
-                <category android:name="android.intent.category.LAUNCHER"/>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
 
-        <activity android:name="ru.tinkoff.decoro.demo.CustomMaskActivity"/>
+        <activity android:name="ru.tinkoff.decoro.demo.CustomMaskActivity" />
 
-        <activity android:name="ru.tinkoff.decoro.demo.StaticMaskActivity"/>
+        <activity android:name="ru.tinkoff.decoro.demo.StaticMaskActivity" />
 
         <activity android:name="ru.tinkoff.decoro.demo.SlotBehaviourActivity"/>