diff --git a/app/build.gradle b/app/build.gradle
index 7daaf2d..b5fe71c 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -3,14 +3,14 @@ apply plugin: 'io.fabric'
 
 android
 {
-    compileSdkVersion 28
-    buildToolsVersion '28.0.3'
+    compileSdkVersion 29
+    buildToolsVersion '29.0.2'
 
     defaultConfig
     {
         applicationId 'com.mauriciotogneri.fileexplorer'
-        minSdkVersion 14
-        targetSdkVersion 27
+        minSdkVersion 16
+        targetSdkVersion 28
         versionCode 17
         versionName '1.4.0'
     }
@@ -64,20 +64,15 @@ android
     }
 }
 
-ext
-{
-    support = '28.0.0'
-}
-
 dependencies
 {
-    implementation "com.android.support:support-v4:$support"
-    implementation "com.android.support:appcompat-v7:$support"
-    implementation "com.android.support:design:$support"
+    implementation 'androidx.legacy:legacy-support-v4:1.0.0'
+    implementation 'androidx.appcompat:appcompat:1.1.0'
+    implementation 'com.google.android.material:material:1.2.0-alpha03'
 
     // firebase
-    implementation 'com.google.firebase:firebase-core:16.0.7'
+    implementation 'com.google.firebase:firebase-core:17.2.1'
 
     // crashlytics
-    implementation 'com.crashlytics.sdk.android:crashlytics:2.9.9'
+    implementation 'com.crashlytics.sdk.android:crashlytics:2.10.1'
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/mauriciotogneri/fileexplorer/adapters/FolderAdapter.java b/app/src/main/java/com/mauriciotogneri/fileexplorer/adapters/FolderAdapter.java
index 945569a..5e1d57f 100644
--- a/app/src/main/java/com/mauriciotogneri/fileexplorer/adapters/FolderAdapter.java
+++ b/app/src/main/java/com/mauriciotogneri/fileexplorer/adapters/FolderAdapter.java
@@ -1,7 +1,6 @@
 package com.mauriciotogneri.fileexplorer.adapters;
 
 import android.content.Context;
-import android.support.v4.content.ContextCompat;
 import android.util.TypedValue;
 import android.view.View;
 import android.widget.ImageView;
@@ -16,6 +15,8 @@
 import java.util.ArrayList;
 import java.util.List;
 
+import androidx.core.content.ContextCompat;
+
 public class FolderAdapter extends BaseListAdapter<FileInfo, ViewHolder>
 {
     private int itemsSelected = 0;
diff --git a/app/src/main/java/com/mauriciotogneri/fileexplorer/app/MainActivity.java b/app/src/main/java/com/mauriciotogneri/fileexplorer/app/MainActivity.java
index 945ffbc..f609081 100644
--- a/app/src/main/java/com/mauriciotogneri/fileexplorer/app/MainActivity.java
+++ b/app/src/main/java/com/mauriciotogneri/fileexplorer/app/MainActivity.java
@@ -7,12 +7,6 @@
 import android.os.Bundle;
 import android.os.Environment;
 import android.os.StatFs;
-import android.support.v4.app.ActivityCompat;
-import android.support.v4.app.FragmentManager;
-import android.support.v4.app.FragmentTransaction;
-import android.support.v4.content.ContextCompat;
-import android.support.v7.app.AppCompatActivity;
-import android.support.v7.widget.Toolbar;
 
 import com.mauriciotogneri.fileexplorer.R;
 import com.mauriciotogneri.fileexplorer.fragments.FolderFragment;
@@ -27,6 +21,13 @@
 import java.util.List;
 import java.util.Stack;
 
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.appcompat.widget.Toolbar;
+import androidx.core.app.ActivityCompat;
+import androidx.core.content.ContextCompat;
+import androidx.fragment.app.FragmentManager;
+import androidx.fragment.app.FragmentTransaction;
+
 public class MainActivity extends AppCompatActivity
 {
     private ToolBar toolBar;
diff --git a/app/src/main/java/com/mauriciotogneri/fileexplorer/base/BaseListAdapter.java b/app/src/main/java/com/mauriciotogneri/fileexplorer/base/BaseListAdapter.java
index cebcdbe..47be351 100644
--- a/app/src/main/java/com/mauriciotogneri/fileexplorer/base/BaseListAdapter.java
+++ b/app/src/main/java/com/mauriciotogneri/fileexplorer/base/BaseListAdapter.java
@@ -1,7 +1,6 @@
 package com.mauriciotogneri.fileexplorer.base;
 
 import android.content.Context;
-import android.support.annotation.NonNull;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -10,6 +9,8 @@
 import java.util.ArrayList;
 import java.util.List;
 
+import androidx.annotation.NonNull;
+
 public abstract class BaseListAdapter<T, V> extends ArrayAdapter<T>
 {
     private final int resourceId;
diff --git a/app/src/main/java/com/mauriciotogneri/fileexplorer/fragments/FolderFragment.java b/app/src/main/java/com/mauriciotogneri/fileexplorer/fragments/FolderFragment.java
index f040c34..3c3af12 100644
--- a/app/src/main/java/com/mauriciotogneri/fileexplorer/fragments/FolderFragment.java
+++ b/app/src/main/java/com/mauriciotogneri/fileexplorer/fragments/FolderFragment.java
@@ -9,9 +9,6 @@
 import android.net.Uri;
 import android.os.AsyncTask;
 import android.os.Bundle;
-import android.support.annotation.StringRes;
-import android.support.v4.app.Fragment;
-import android.support.v4.widget.SwipeRefreshLayout;
 import android.view.LayoutInflater;
 import android.view.MotionEvent;
 import android.view.View;
@@ -34,6 +31,10 @@
 import java.util.Collections;
 import java.util.List;
 
+import androidx.annotation.StringRes;
+import androidx.fragment.app.Fragment;
+import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
+
 public class FolderFragment extends Fragment
 {
     private static final String PARAMETER_FOLDER_PATH = "folder.path";
diff --git a/app/src/main/java/com/mauriciotogneri/fileexplorer/fragments/StorageFragment.java b/app/src/main/java/com/mauriciotogneri/fileexplorer/fragments/StorageFragment.java
index a748125..effa29d 100644
--- a/app/src/main/java/com/mauriciotogneri/fileexplorer/fragments/StorageFragment.java
+++ b/app/src/main/java/com/mauriciotogneri/fileexplorer/fragments/StorageFragment.java
@@ -2,7 +2,6 @@
 
 import android.content.Context;
 import android.os.Bundle;
-import android.support.v4.app.Fragment;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -14,6 +13,8 @@
 
 import java.util.Arrays;
 
+import androidx.fragment.app.Fragment;
+
 public class StorageFragment extends Fragment
 {
     private static final String PARAMETER_STORAGES_PATH = "storages.path";
diff --git a/app/src/main/java/com/mauriciotogneri/fileexplorer/models/FileInfo.java b/app/src/main/java/com/mauriciotogneri/fileexplorer/models/FileInfo.java
index 61a456b..b15c152 100644
--- a/app/src/main/java/com/mauriciotogneri/fileexplorer/models/FileInfo.java
+++ b/app/src/main/java/com/mauriciotogneri/fileexplorer/models/FileInfo.java
@@ -5,7 +5,6 @@
 import android.graphics.BitmapFactory;
 import android.net.Uri;
 import android.os.Build;
-import android.support.v4.content.FileProvider;
 
 import com.mauriciotogneri.fileexplorer.BuildConfig;
 import com.mauriciotogneri.fileexplorer.utils.CrashUtils;
@@ -22,6 +21,8 @@
 import java.util.ArrayList;
 import java.util.List;
 
+import androidx.core.content.FileProvider;
+
 public class FileInfo
 {
     private final File file;
diff --git a/app/src/main/java/com/mauriciotogneri/fileexplorer/provider/LegacyCompatFileProvider.java b/app/src/main/java/com/mauriciotogneri/fileexplorer/provider/LegacyCompatFileProvider.java
index 3120f69..360c1af 100644
--- a/app/src/main/java/com/mauriciotogneri/fileexplorer/provider/LegacyCompatFileProvider.java
+++ b/app/src/main/java/com/mauriciotogneri/fileexplorer/provider/LegacyCompatFileProvider.java
@@ -2,8 +2,9 @@
 
 import android.database.Cursor;
 import android.net.Uri;
-import android.support.annotation.NonNull;
-import android.support.v4.content.FileProvider;
+
+import androidx.annotation.NonNull;
+import androidx.core.content.FileProvider;
 
 public class LegacyCompatFileProvider extends FileProvider
 {
diff --git a/app/src/main/java/com/mauriciotogneri/fileexplorer/utils/Dialogs.java b/app/src/main/java/com/mauriciotogneri/fileexplorer/utils/Dialogs.java
index c7cf1fc..87c984c 100644
--- a/app/src/main/java/com/mauriciotogneri/fileexplorer/utils/Dialogs.java
+++ b/app/src/main/java/com/mauriciotogneri/fileexplorer/utils/Dialogs.java
@@ -3,7 +3,6 @@
 import android.annotation.SuppressLint;
 import android.app.ProgressDialog;
 import android.content.Context;
-import android.support.v7.app.AlertDialog;
 import android.text.Editable;
 import android.text.TextWatcher;
 import android.view.LayoutInflater;
@@ -19,6 +18,8 @@
 
 import java.util.List;
 
+import androidx.appcompat.app.AlertDialog;
+
 public class Dialogs
 {
     private Dialogs()
diff --git a/build.gradle b/build.gradle
index 2a64469..76df492 100644
--- a/build.gradle
+++ b/build.gradle
@@ -14,9 +14,9 @@ buildscript
 
     dependencies
     {
-        classpath 'com.android.tools.build:gradle:3.3.1'
-        classpath 'com.google.gms:google-services:4.2.0'
-        classpath 'io.fabric.tools:gradle:1.27.1'
+        classpath 'com.android.tools.build:gradle:3.5.3'
+        classpath 'com.google.gms:google-services:4.3.3'
+        classpath 'io.fabric.tools:gradle:1.28.0'
     }
 }
 
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index c3e03ff..d491a09 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Tue Feb 19 13:50:19 CET 2019
+#Thu Dec 26 15:11:39 CET 2019
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.4.1-all.zip