--- a/mobile/android/base/java/org/mozilla/gecko/push/Fetched.java
+++ b/mobile/android/base/java/org/mozilla/gecko/push/Fetched.java
@@ -28,17 +28,17 @@ public class Fetched {
 
     public static Fetched now(String value) {
         return new Fetched(value, System.currentTimeMillis());
     }
 
     public static @NonNull Fetched fromJSONObject(@NonNull JSONObject json) {
         final String value = json.optString("value", null);
         final String timestampString = json.optString("timestamp", null);
-        final long timestamp = timestampString != null ? Long.valueOf(timestampString) : 0L;
+        final long timestamp = timestampString != null ? Long.parseLong(timestampString) : 0L;
         return new Fetched(value, timestamp);
     }
 
     public JSONObject toJSONObject() throws JSONException {
         final JSONObject jsonObject = new JSONObject();
         if (value != null) {
             jsonObject.put("value", value);
         } else {