diff --git a/build.gradle b/build.gradle
index 88d8b760..e0953a39 100644
--- a/build.gradle
+++ b/build.gradle
@@ -4,7 +4,7 @@ apply plugin: 'com.github.ben-manes.versions'
 
 buildscript {
     ext {
-        androidPluginVersion = '3.2.0-rc02'
+        androidPluginVersion = '3.2.0-rc03'
         kotlinVersion = '1.2.61'
         androidxVersion = '1.0.0-rc02'
     }
diff --git a/mobile/build.gradle b/mobile/build.gradle
index 791c1f01..c8476eeb 100644
--- a/mobile/build.gradle
+++ b/mobile/build.gradle
@@ -49,7 +49,7 @@ dependencies {
     implementation 'com.android.billingclient:billing:1.1'
     implementation 'com.crashlytics.sdk.android:crashlytics:2.9.5'
     implementation 'com.github.luongvo:BadgeView:1.1.5'
-    implementation 'com.github.topjohnwu:libsu:2.0.1'
+    implementation 'com.github.topjohnwu:libsu:2.0.2'
     implementation "com.google.android.material:material:$androidxVersion"
     implementation 'com.linkedin.dexmaker:dexmaker-mockito:2.19.1'
     implementation 'com.takisoft.preferencex:preferencex:1.0.0-alpha2'
@@ -59,5 +59,4 @@ dependencies {
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.0-alpha4'
 }
 
-kapt.generateStubs = true
 apply plugin: 'com.google.gms.google-services'
diff --git a/mobile/src/main/java/be/mygod/vpnhotspot/util/RootSession.kt b/mobile/src/main/java/be/mygod/vpnhotspot/util/RootSession.kt
index 136f1fd0..ec9497d2 100644
--- a/mobile/src/main/java/be/mygod/vpnhotspot/util/RootSession.kt
+++ b/mobile/src/main/java/be/mygod/vpnhotspot/util/RootSession.kt
@@ -56,12 +56,11 @@ class RootSession : AutoCloseable {
 
     class UnexpectedOutputException(msg: String) : RuntimeException(msg)
     private fun checkOutput(command: String, result: Shell.Result, out: Boolean = result.out.isNotEmpty(),
-                            err: Boolean = stderr.isNotEmpty()) {
+                            err: Boolean = result.err.isNotEmpty()) {
         if (result.isSuccess && !out && !err) return
         val msg = StringBuilder("$command exited with ${result.code}")
         if (out) result.out.forEach { msg.append("\n$it") }
-        // TODO bug: https://github.com/topjohnwu/libsu/pull/23
-        if (err) stderr.forEach { msg.append("\nE $it") }
+        if (err) result.err.forEach { msg.append("\nE $it") }
         throw UnexpectedOutputException(msg.toString())
     }
 
@@ -89,7 +88,7 @@ class RootSession : AutoCloseable {
     fun submit(command: String) {
         val result = execQuiet(command)
         if (result.code != 0) Crashlytics.log(Log.VERBOSE, TAG, "$command exited with ${result.code}")
-        var msg = stderr.joinToString("\n").trim()
+        var msg = result.err.joinToString("\n").trim()
         if (msg.isNotEmpty()) Crashlytics.log(Log.VERBOSE, TAG, msg)
         msg = result.out.joinToString("\n").trim()
         if (msg.isNotEmpty()) Crashlytics.log(Log.VERBOSE, TAG, msg)