diff --git a/android/src/main/AndroidManifest.xml b/android/src/main/AndroidManifest.xml
index 4f8a4911..c509a1fe 100755
--- a/android/src/main/AndroidManifest.xml
+++ b/android/src/main/AndroidManifest.xml
@@ -4,25 +4,25 @@
     <application>
         <activity
             android:theme="@style/AppTheme"
-            android:exported="true"
+            android:exported="false"
             android:name="com.pichillilorenzo.flutter_inappwebview.in_app_browser.InAppBrowserActivity"
             android:configChanges="orientation|keyboardHidden|keyboard|screenSize|locale|layoutDirection|fontScale|screenLayout|density" />
         <activity
             android:theme="@style/ThemeTransparent"
-            android:exported="true"
+            android:exported="false"
             android:name="com.pichillilorenzo.flutter_inappwebview.chrome_custom_tabs.ChromeCustomTabsActivity" />
         <activity
             android:theme="@style/ThemeTransparent"
-            android:exported="true"
+            android:exported="false"
             android:name="com.pichillilorenzo.flutter_inappwebview.chrome_custom_tabs.TrustedWebActivity" />
         <activity
             android:theme="@style/ThemeTransparent"
-            android:exported="true"
+            android:exported="false"
             android:name="com.pichillilorenzo.flutter_inappwebview.chrome_custom_tabs.ChromeCustomTabsActivitySingleInstance"
             android:launchMode="singleInstance"/>
         <activity
             android:theme="@style/ThemeTransparent"
-            android:exported="true"
+            android:exported="false"
             android:name="com.pichillilorenzo.flutter_inappwebview.chrome_custom_tabs.TrustedWebActivitySingleInstance"
             android:launchMode="singleInstance"/>
         <receiver