diff --git a/build.gradle b/build.gradle
index 60521f064..c76a02e79 100644
--- a/build.gradle
+++ b/build.gradle
@@ -19,7 +19,7 @@ dependencies {
 }
 
 android {
-  compileSdkVersion 17
+  compileSdkVersion 19
   buildToolsVersion '18.1.1'
 
   sourceSets {
diff --git a/project.properties b/project.properties
index 94aa20e23..dd64989a3 100644
--- a/project.properties
+++ b/project.properties
@@ -11,7 +11,7 @@
 split.density=false
 java.encoding=utf8
 # Project target.
-target=android-17
+target=android-19
 extensible.libs.classpath=compile-only-libs
 android.library.reference.1=plugins/ActionBarSherlock/library
 android.library.reference.2=plugins/Android-PullToRefresh/library
diff --git a/src/com/fsck/k9/helper/MergeCursor.java b/src/com/fsck/k9/helper/MergeCursor.java
index e70cf8f01..7205a5039 100644
--- a/src/com/fsck/k9/helper/MergeCursor.java
+++ b/src/com/fsck/k9/helper/MergeCursor.java
@@ -461,6 +461,7 @@ public class MergeCursor implements Cursor {
         throw new RuntimeException("Not implemented");
     }
 
+    @Override
     public Uri getNotificationUri() {
         return null;
     }
diff --git a/src/com/fsck/k9/provider/MessageProvider.java b/src/com/fsck/k9/provider/MessageProvider.java
index 2d2c45ec0..86a858337 100644
--- a/src/com/fsck/k9/provider/MessageProvider.java
+++ b/src/com/fsck/k9/provider/MessageProvider.java
@@ -822,6 +822,7 @@ public class MessageProvider extends ContentProvider {
             return mCursor.getType(columnIndex);
         }
 
+        @Override
         public Uri getNotificationUri() {
             return null;
         }