diff --git a/README.md b/README.md
index 958296d..9cc579c 100644
--- a/README.md
+++ b/README.md
@@ -80,7 +80,7 @@ __Users must comply with local laws and regulations.__<br>
 
 ## License
 
-    Copyright (C) 2017-2018 iTX Technologies <admin@itxtech.org>
+    Copyright (C) 2017-2019 iTX Technologies <admin@itxtech.org>
     
 	This program is free software: you can redistribute it and/or modify
 	it under the terms of the GNU General Public License as published by
diff --git a/app/build.gradle b/app/build.gradle
index a54bbdd..cef5844 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -39,20 +39,20 @@ android {
 
 dependencies {
     //Support
-    implementation 'androidx.appcompat:appcompat:1.0.0'
+    implementation 'androidx.appcompat:appcompat:1.0.2'
     implementation 'androidx.legacy:legacy-support-v4:1.0.0'
     implementation 'androidx.percentlayout:percentlayout:1.0.0'
     implementation 'androidx.cardview:cardview:1.0.0'
     implementation 'com.google.android.material:material:1.0.0'
     //DNS
-    implementation 'org.pcap4j:pcap4j-core:1.7.3'
-    implementation 'org.pcap4j:pcap4j-packetfactory-static:1.7.3'
-    implementation 'org.minidns:minidns-client:0.3.3'
+    implementation 'org.pcap4j:pcap4j-core:1.7.4'
+    implementation 'org.pcap4j:pcap4j-packetfactory-static:1.7.4'
+    implementation 'org.minidns:minidns-client:0.3.4'
     implementation 'com.google.code.gson:gson:2.8.5'
-    implementation 'com.squareup.okhttp3:okhttp:3.11.0'
+    implementation 'com.squareup.okhttp3:okhttp:3.12.1'
     //Analytics
-    implementation 'com.google.firebase:firebase-core:16.0.5'
-    implementation 'com.crashlytics.sdk.android:crashlytics:2.9.5'
+    implementation 'com.google.firebase:firebase-core:16.0.6'
+    implementation 'com.crashlytics.sdk.android:crashlytics:2.9.8'
 }
 
 apply plugin: 'com.google.gms.google-services'
diff --git a/app/src/main/assets/about_html/index.html b/app/src/main/assets/about_html/index.html
index b3bb3ea..2965f77 100644
--- a/app/src/main/assets/about_html/index.html
+++ b/app/src/main/assets/about_html/index.html
@@ -40,7 +40,8 @@
     <br>
     <div style="font-size: 12px; color: gray;">Users must comply with local laws and regulations.</div>
     <br>
-    <div style="font-size: 12px; color: gray;">Copyright (C) 2017-2018 iTX Technologies <a href="mailto:admin@itxtech.org">admin@itxtech.org</a>
+    <div style="font-size: 12px; color: gray;">Copyright (C) 2017-2019 iTX Technologies <a
+            href="mailto:admin@itxtech.org">admin@itxtech.org</a>
     </div>
     <br>
     <div style="font-size: 10px; color: gray;">
diff --git a/app/src/main/assets/about_html/index_zh.html b/app/src/main/assets/about_html/index_zh.html
index a0318d6..82b6ea6 100644
--- a/app/src/main/assets/about_html/index_zh.html
+++ b/app/src/main/assets/about_html/index_zh.html
@@ -41,7 +41,8 @@
     <br>
     <div style="font-size: 12px; color: gray;">使用者必须遵守当地法律法规。</div>
     <br>
-    <div style="font-size: 12px; color: gray;">Copyright (C) 2017-2018 iTX Technologies <a href="mailto:admin@itxtech.org">admin@itxtech.org</a>
+    <div style="font-size: 12px; color: gray;">Copyright (C) 2017-2019 iTX Technologies <a
+            href="mailto:admin@itxtech.org">admin@itxtech.org</a>
     </div>
     <br>
     <div style="font-size: 10px; color: gray;">
diff --git a/app/src/main/java/org/itxtech/daedalus/Daedalus.java b/app/src/main/java/org/itxtech/daedalus/Daedalus.java
index 9268cee..05b76fb 100644
--- a/app/src/main/java/org/itxtech/daedalus/Daedalus.java
+++ b/app/src/main/java/org/itxtech/daedalus/Daedalus.java
@@ -48,8 +48,8 @@ public class Daedalus extends Application {
     public static final List<DNSServer> DNS_SERVERS = new ArrayList<DNSServer>() {{
         add(new DNSServer("101.132.183.99", R.string.server_pdomo_primary));
         add(new DNSServer("193.112.15.186", R.string.server_pdomo_secondary));
-        add(new DNSServer("123.207.13.111", R.string.server_puredns_south_china));
-        add(new DNSServer("123.207.137.88", R.string.server_puredns_north_china));
+        //add(new DNSServer("123.207.13.111", R.string.server_puredns_south_china));
+        //add(new DNSServer("123.207.137.88", R.string.server_puredns_north_china));
         add(new DNSServer("dns.rubyfish.cn/dns-query", R.string.server_rubyfish));
     }};
 
@@ -103,10 +103,10 @@ public class Daedalus extends Application {
     private void initDirectory(String dir) {
         File directory = new File(dir);
         if (!directory.isDirectory()) {
-            Logger.warning(dir + " is not a directory. Delete result: " + String.valueOf(directory.delete()));
+            Logger.warning(dir + " is not a directory. Delete result: " + directory.delete());
         }
         if (!directory.exists()) {
-            Logger.debug(dir + " does not exist. Create result: " + String.valueOf(directory.mkdirs()));
+            Logger.debug(dir + " does not exist. Create result: " + directory.mkdirs());
         }
     }
 
diff --git a/build.gradle b/build.gradle
index cb2ee4a..c7c50b5 100644
--- a/build.gradle
+++ b/build.gradle
@@ -10,8 +10,8 @@ buildscript {
     }
     dependencies {
         classpath 'com.android.tools.build:gradle:3.2.1'
-        classpath 'com.google.gms:google-services:4.0.1'
-        classpath 'io.fabric.tools:gradle:1.25.4'
+        classpath 'com.google.gms:google-services:4.2.0'
+        classpath 'io.fabric.tools:gradle:1.27.0'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files