diff --git a/app/build.gradle b/app/build.gradle
index 8f5658ab..adf369a5 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -8,7 +8,7 @@ android {
         applicationId = 'com.tutpro.baresip'
         minSdkVersion 21
         targetSdkVersion 26
-        versionCode = 3
+        versionCode = 5
         versionName = '1.0'
         ndk {
             abiFilters 'armeabi-v7a'
@@ -33,10 +33,10 @@ android {
 
 dependencies {
     implementation fileTree(include: ['*.jar'], dir: 'libs')
-    implementation 'com.android.support:appcompat-v7:25.2.0'
-    implementation 'com.android.support.constraint:constraint-layout:1.0.1'
+    implementation 'com.android.support:appcompat-v7:26.1.0'
+    implementation 'com.android.support.constraint:constraint-layout:1.1.2'
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
-    implementation 'com.android.support:design:25.4.0'
+    implementation 'com.android.support:design:26.1.0'
 }
 
 repositories {
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 2cf460a7..1f668d14 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -4,26 +4,22 @@
 
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.RECORD_AUDIO" />
-    <uses-permission android:name="android.permission.READ_CONTACTS" />
     <uses-permission android:name="android.permission.MODIFY_AUDIO_SETTINGS" />
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
     <uses-permission android:name="android.permission.WAKE_LOCK" />
     <uses-permission android:name="android.permission.DISABLE_KEYGUARD" />
-    <uses-permission android:name="android.permission.PROCESS_OUTGOING_CALLS" />
     <uses-permission android:name="android.permission.CALL_PHONE" />
     <uses-feature
         android:name="android.hardware.telephony"
         android:required="false" />
     <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
     <uses-permission android:name="android.permission.VIBRATE" />
-    <uses-permission android:name="android.permission.CAMERA" />
     <uses-feature
         android:name="android.hardware.camera"
         android:required="false" />
     <uses-permission android:name="android.permission.READ_PHONE_STATE" />
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
-    <uses-permission android:name="android.permission.WRITE_CONTACTS" />
     <uses-permission android:name="android.permission.BLUETOOTH" />
     <uses-permission android:name="android.permission.BROADCAST_STICKY" />
     <uses-permission android:name="android.permission.GET_ACCOUNTS" />
diff --git a/app/src/main/kotlin/com/tutpro/baresip/AccountActivity.kt b/app/src/main/kotlin/com/tutpro/baresip/AccountActivity.kt
index e206d603..f652ac5a 100644
--- a/app/src/main/kotlin/com/tutpro/baresip/AccountActivity.kt
+++ b/app/src/main/kotlin/com/tutpro/baresip/AccountActivity.kt
@@ -283,28 +283,28 @@ class AccountActivity : AppCompatActivity() {
 
     fun onClick(v: View) {
         when (v) {
-            findViewById(R.id.DisplayNameTitle) -> {
+            findViewById(R.id.DisplayNameTitle) as TextView-> {
                 Utils.alertView(this, "Display Name", getString(R.string.dispName))
             }
-            findViewById(R.id.AuthUserTitle) -> {
+            findViewById(R.id.AuthUserTitle) as TextView -> {
                 Utils.alertView(this, "Authentication Username",
                         getString(R.string.authUser))
             }
-            findViewById(R.id.AuthPassTitle) -> {
+            findViewById(R.id.AuthPassTitle) as TextView-> {
                 Utils.alertView(this, "Authentication Password",
                         getString(R.string.authPass))
             }
-            findViewById(R.id.OutboundProxyTitle) -> {
+            findViewById(R.id.OutboundProxyTitle) as TextView -> {
                 Utils.alertView(this, "Outbound Proxies",
                         getString(R.string.obProxies))
             }
-            findViewById(R.id.RegTitle) -> {
+            findViewById(R.id.RegTitle) as TextView -> {
                 Utils.alertView(this, "Register", getString(R.string.register))
             }
-            findViewById(R.id.AudioCodecsTitle) -> {
+            findViewById(R.id.AudioCodecsTitle) as TextView -> {
                 Utils.alertView(this, "Audio Codecs", getString(R.string.auCodecs))
             }
-            findViewById(R.id.MediaEncTitle) -> {
+            findViewById(R.id.MediaEncTitle) as TextView -> {
                 Utils.alertView(this, "Media Encryption",
                         getText(R.string.mediaEnc).toString())
             }
diff --git a/build.gradle b/build.gradle
index af5b5347..20e557d1 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 = '1.2.50'
+    ext.kotlin_version = '1.2.51'
     repositories {
         jcenter()
         google()