diff --git a/app/build.gradle b/app/build.gradle
index 957752fc..55b792cc 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -3,13 +3,13 @@ apply plugin: 'kotlin-android'
 apply plugin: 'kotlin-android-extensions'
 
 android {
-    compileSdkVersion 27
-    buildToolsVersion "27.0.3"
+    compileSdkVersion 28
+    buildToolsVersion "28.0.2"
 
     defaultConfig {
         applicationId "com.simplemobiletools.notes"
         minSdkVersion 16
-        targetSdkVersion 27
+        targetSdkVersion 28
         versionCode 50
         versionName "4.2.0"
         setProperty("archivesBaseName", "notes")
@@ -40,16 +40,9 @@ android {
     }
 }
 
-ext {
-    leakCanaryVersion = '1.5.4'
-}
-
 dependencies {
-    implementation 'com.simplemobiletools:commons:4.6.5'
+    implementation 'com.simplemobiletools:commons:4.7.5'
     implementation 'com.facebook.stetho:stetho:1.5.0'
-
-    debugImplementation "com.squareup.leakcanary:leakcanary-android:$leakCanaryVersion"
-    releaseImplementation "com.squareup.leakcanary:leakcanary-android-no-op:$leakCanaryVersion"
 }
 
 Properties props = new Properties()
diff --git a/app/src/main/kotlin/com/simplemobiletools/notes/App.kt b/app/src/main/kotlin/com/simplemobiletools/notes/App.kt
index ffc697e8..73197703 100644
--- a/app/src/main/kotlin/com/simplemobiletools/notes/App.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/notes/App.kt
@@ -3,16 +3,11 @@ package com.simplemobiletools.notes
 import android.app.Application
 import com.facebook.stetho.Stetho
 import com.simplemobiletools.commons.extensions.checkUseEnglish
-import com.squareup.leakcanary.LeakCanary
 
 class App : Application() {
     override fun onCreate() {
         super.onCreate()
         if (BuildConfig.DEBUG) {
-            if (LeakCanary.isInAnalyzerProcess(this)) {
-                return
-            }
-            LeakCanary.install(this)
             Stetho.initializeWithDefaults(this)
         }
 
diff --git a/app/src/main/kotlin/com/simplemobiletools/notes/activities/MainActivity.kt b/app/src/main/kotlin/com/simplemobiletools/notes/activities/MainActivity.kt
index cc47d856..78fc0a01 100644
--- a/app/src/main/kotlin/com/simplemobiletools/notes/activities/MainActivity.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/notes/activities/MainActivity.kt
@@ -310,7 +310,7 @@ class MainActivity : SimpleActivity(), ViewPager.OnPageChangeListener {
 
     private fun openFile(path: String, checkTitle: Boolean, onChecksPassed: (file: File) -> Unit) {
         val file = File(path)
-        if (path.isImageVideoGif()) {
+        if (path.isMediaFile()) {
             toast(R.string.invalid_file_format)
         } else if (file.length() > 10 * 1000 * 1000) {
             toast(R.string.file_too_large)
diff --git a/app/src/main/kotlin/com/simplemobiletools/notes/dialogs/ImportFolderDialog.kt b/app/src/main/kotlin/com/simplemobiletools/notes/dialogs/ImportFolderDialog.kt
index 76b240cc..e072f854 100644
--- a/app/src/main/kotlin/com/simplemobiletools/notes/dialogs/ImportFolderDialog.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/notes/dialogs/ImportFolderDialog.kt
@@ -4,7 +4,7 @@ import android.support.v7.app.AlertDialog
 import android.view.ViewGroup
 import com.simplemobiletools.commons.extensions.getFilenameFromPath
 import com.simplemobiletools.commons.extensions.humanizePath
-import com.simplemobiletools.commons.extensions.isImageVideoGif
+import com.simplemobiletools.commons.extensions.isMediaFile
 import com.simplemobiletools.commons.extensions.setupDialogStuff
 import com.simplemobiletools.notes.R
 import com.simplemobiletools.notes.activities.SimpleActivity
@@ -42,7 +42,7 @@ class ImportFolderDialog(val activity: SimpleActivity, val path: String, val cal
             val filename = file.path.getFilenameFromPath()
             when {
                 file.isDirectory -> false
-                filename.isImageVideoGif() -> false
+                filename.isMediaFile() -> false
                 file.length() > 10 * 1000 * 1000 -> false
                 activity.dbHelper.doesTitleExist(filename) -> false
                 else -> true
diff --git a/build.gradle b/build.gradle
index b7a33234..e89c3e94 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,7 +1,7 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 
 buildscript {
-    ext.kotlin_version = '1.2.60'
+    ext.kotlin_version = '1.2.61'
 
     repositories {
         jcenter()