diff --git a/app/build.gradle b/app/build.gradle
index 922aebca..59718b97 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -19,7 +19,7 @@ android {
   compileSdkVersion 28
   defaultConfig {
     applicationId "com.google.grafika"
-    minSdkVersion 14
+    minSdkVersion 18
     targetSdkVersion 28
   }
 }
diff --git a/app/src/main/res/menu/main.xml b/app/src/main/res/menu/main.xml
index b20cf47a..89b28fc5 100644
--- a/app/src/main/res/menu/main.xml
+++ b/app/src/main/res/menu/main.xml
@@ -14,19 +14,20 @@
      limitations under the License.
 -->
 
-<menu xmlns:android="http://schemas.android.com/apk/res/android" >
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+			xmlns:app="http://schemas.android.com/apk/res-auto" >
 
     <item
         android:id="@+id/regenerateContent_item"
         android:onClick="clickRegenerateContent"
         android:orderInCategory="90"
-        android:showAsAction="never"
+        app:showAsAction="never"
         android:title="@string/regenerateContent_item"/>
         
     <item
         android:id="@+id/about_item"
         android:orderInCategory="100"
-        android:showAsAction="never"
+        app:showAsAction="never"
         android:title="@string/about_item"
         android:onClick="clickAbout" />
     
diff --git a/gradlew b/gradlew
old mode 100644
new mode 100755