diff --git a/.idea/misc.xml b/.idea/misc.xml
index 5d199810..fbb68289 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -37,7 +37,7 @@
     <ConfirmationsSetting value="0" id="Add" />
     <ConfirmationsSetting value="0" id="Remove" />
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" default="true" assert-keyword="true" jdk-15="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" assert-keyword="true" jdk-15="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">
diff --git a/app/build.gradle b/app/build.gradle
index b0de4043..65fb9b3e 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -4,7 +4,7 @@ android {
     compileSdkVersion 25
     buildToolsVersion "25.0.2"
     defaultConfig {
-        applicationId "leszcz_team.wulkanowy"
+        applicationId "io.github.wulkanowy"
         minSdkVersion 14
         targetSdkVersion 25
         versionCode 1
diff --git a/app/src/androidTest/java/leszcz_team/wulkanowy/ExampleInstrumentedTest.java b/app/src/androidTest/java/io/github/wulkanowy/ExampleInstrumentedTest.java
similarity index 85%
rename from app/src/androidTest/java/leszcz_team/wulkanowy/ExampleInstrumentedTest.java
rename to app/src/androidTest/java/io/github/wulkanowy/ExampleInstrumentedTest.java
index a25fdec0..f152a948 100644
--- a/app/src/androidTest/java/leszcz_team/wulkanowy/ExampleInstrumentedTest.java
+++ b/app/src/androidTest/java/io/github/wulkanowy/ExampleInstrumentedTest.java
@@ -1,4 +1,4 @@
-package leszcz_team.wulkanowy;
+package io.github.wulkanowy;
 
 import android.content.Context;
 import android.support.test.InstrumentationRegistry;
@@ -21,6 +21,6 @@ public class ExampleInstrumentedTest {
         // Context of the app under test.
         Context appContext = InstrumentationRegistry.getTargetContext();
 
-        assertEquals("leszcz_team.wulkanowy", appContext.getPackageName());
+        assertEquals("io.github.wulkanowy", appContext.getPackageName());
     }
 }
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 9584a528..ad0e83d1 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="leszcz_team.wulkanowy">
+    package="io.github.wulkanowy">
 
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
diff --git a/app/src/main/java/leszcz_team/wulkanowy/activity/main/CheckPass.java b/app/src/main/java/io/github/wulkanowy/activity/main/CheckPass.java
similarity index 92%
rename from app/src/main/java/leszcz_team/wulkanowy/activity/main/CheckPass.java
rename to app/src/main/java/io/github/wulkanowy/activity/main/CheckPass.java
index 030348bd..e03cd366 100644
--- a/app/src/main/java/leszcz_team/wulkanowy/activity/main/CheckPass.java
+++ b/app/src/main/java/io/github/wulkanowy/activity/main/CheckPass.java
@@ -1,4 +1,4 @@
-package leszcz_team.wulkanowy.activity.main;
+package io.github.wulkanowy.activity.main;
 
 import org.jsoup.Connection;
 import org.jsoup.nodes.Document;
diff --git a/app/src/main/java/leszcz_team/wulkanowy/activity/main/Login.java b/app/src/main/java/io/github/wulkanowy/activity/main/Login.java
similarity index 97%
rename from app/src/main/java/leszcz_team/wulkanowy/activity/main/Login.java
rename to app/src/main/java/io/github/wulkanowy/activity/main/Login.java
index 30783cf5..36f8cf8d 100644
--- a/app/src/main/java/leszcz_team/wulkanowy/activity/main/Login.java
+++ b/app/src/main/java/io/github/wulkanowy/activity/main/Login.java
@@ -1,8 +1,7 @@
-package leszcz_team.wulkanowy.activity.main;
+package io.github.wulkanowy.activity.main;
 
 import android.app.Activity;
 import android.app.ProgressDialog;
-import android.content.res.Resources;
 import android.os.AsyncTask;
 import android.widget.Toast;
 
@@ -14,7 +13,7 @@ import org.jsoup.select.Elements;
 import java.io.IOException;
 import java.util.Map;
 
-import leszcz_team.wulkanowy.R;
+import io.github.wulkanowy.R;
 
 public class Login extends AsyncTask<Void, Void, Void> {
 
diff --git a/app/src/main/java/leszcz_team/wulkanowy/activity/main/MainActivity.java b/app/src/main/java/io/github/wulkanowy/activity/main/MainActivity.java
similarity index 97%
rename from app/src/main/java/leszcz_team/wulkanowy/activity/main/MainActivity.java
rename to app/src/main/java/io/github/wulkanowy/activity/main/MainActivity.java
index f88b9db9..f63c0840 100644
--- a/app/src/main/java/leszcz_team/wulkanowy/activity/main/MainActivity.java
+++ b/app/src/main/java/io/github/wulkanowy/activity/main/MainActivity.java
@@ -1,4 +1,4 @@
-package leszcz_team.wulkanowy.activity.main;
+package io.github.wulkanowy.activity.main;
 
 import android.app.Activity;
 import android.app.AlertDialog;
@@ -12,7 +12,7 @@ import android.widget.Toast;
 
 import java.util.LinkedHashMap;
 
-import leszcz_team.wulkanowy.R;
+import io.github.wulkanowy.R;
 
 public class MainActivity extends Activity {
 
diff --git a/app/src/main/java/leszcz_team/wulkanowy/activity/started/LoadingTask.java b/app/src/main/java/io/github/wulkanowy/activity/started/LoadingTask.java
similarity index 85%
rename from app/src/main/java/leszcz_team/wulkanowy/activity/started/LoadingTask.java
rename to app/src/main/java/io/github/wulkanowy/activity/started/LoadingTask.java
index f467e75e..4331932f 100644
--- a/app/src/main/java/leszcz_team/wulkanowy/activity/started/LoadingTask.java
+++ b/app/src/main/java/io/github/wulkanowy/activity/started/LoadingTask.java
@@ -1,11 +1,11 @@
-package leszcz_team.wulkanowy.activity.started;
+package io.github.wulkanowy.activity.started;
 
 
 import android.content.Context;
 import android.content.Intent;
 import android.os.AsyncTask;
 
-import leszcz_team.wulkanowy.activity.main.MainActivity;
+import io.github.wulkanowy.activity.main.MainActivity;
 
 public class LoadingTask extends AsyncTask<Void, Void, Void> {
 
diff --git a/app/src/main/java/leszcz_team/wulkanowy/activity/started/StartedActivity.java b/app/src/main/java/io/github/wulkanowy/activity/started/StartedActivity.java
similarity index 82%
rename from app/src/main/java/leszcz_team/wulkanowy/activity/started/StartedActivity.java
rename to app/src/main/java/io/github/wulkanowy/activity/started/StartedActivity.java
index d05aae9c..2e25bc70 100644
--- a/app/src/main/java/leszcz_team/wulkanowy/activity/started/StartedActivity.java
+++ b/app/src/main/java/io/github/wulkanowy/activity/started/StartedActivity.java
@@ -1,9 +1,9 @@
-package leszcz_team.wulkanowy.activity.started;
+package io.github.wulkanowy.activity.started;
 
 import android.app.Activity;
 import android.os.Bundle;
 
-import leszcz_team.wulkanowy.R;
+import io.github.wulkanowy.R;
 
 public class StartedActivity extends Activity {
 
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 42b8f306..77d17338 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -4,7 +4,7 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    tools:context="leszcz_team.wulkanowy.activity.main.MainActivity"
+    tools:context="io.github.wulkanowy.activity.main.MainActivity"
     tools:layout_editor_absoluteY="81dp"
     tools:layout_editor_absoluteX="0dp">
 
diff --git a/app/src/main/res/layout/activity_started.xml b/app/src/main/res/layout/activity_started.xml
index ac1003b0..6bbedd94 100644
--- a/app/src/main/res/layout/activity_started.xml
+++ b/app/src/main/res/layout/activity_started.xml
@@ -6,7 +6,7 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    tools:context="leszcz_team.wulkanowy.activity.started.StartedActivity"
+    tools:context="io.github.wulkanowy.activity.started.StartedActivity"
     tools:layout_editor_absoluteY="0dp"
     tools:layout_editor_absoluteX="0dp">
 
diff --git a/app/src/test/java/leszcz_team/wulkanowy/ExampleUnitTest.java b/app/src/test/java/io/github/wulkanowy/ExampleUnitTest.java
similarity index 92%
rename from app/src/test/java/leszcz_team/wulkanowy/ExampleUnitTest.java
rename to app/src/test/java/io/github/wulkanowy/ExampleUnitTest.java
index 9ba6c04d..4868407c 100644
--- a/app/src/test/java/leszcz_team/wulkanowy/ExampleUnitTest.java
+++ b/app/src/test/java/io/github/wulkanowy/ExampleUnitTest.java
@@ -1,4 +1,4 @@
-package leszcz_team.wulkanowy;
+package io.github.wulkanowy;
 
 import org.junit.Test;