diff --git a/app/build.gradle b/app/build.gradle
index 780917f..7bfc187 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -17,7 +17,7 @@
 apply plugin: 'com.android.application'
 apply plugin: 'kotlin-android'
 apply plugin: 'kotlin-android-extensions'
-apply plugin: "androidx.navigation.safeargs"
+apply plugin: "androidx.navigation.safeargs.kotlin"
 apply plugin: 'kotlin-kapt'
 
 androidExtensions {
@@ -63,7 +63,7 @@ android {
 }
 
 dependencies {
-    def nav_version = "1.0.0-alpha09"
+    def nav_version = "1.0.0-alpha11"
     def room_version = "2.0.0"
     def paging_version = "2.1.0-rc01"
 
@@ -75,7 +75,7 @@ dependencies {
 
     implementation 'androidx.lifecycle:lifecycle-extensions:2.0.0'
 
-    implementation "android.arch.navigation:navigation-fragment:$nav_version"
+    implementation "android.arch.navigation:navigation-fragment-ktx:$nav_version"
     implementation "android.arch.navigation:navigation-ui:$nav_version"
     implementation 'androidx.constraintlayout:constraintlayout:2.0.0-alpha3'
     implementation 'androidx.lifecycle:lifecycle-extensions:2.0.0'
diff --git a/app/src/main/java/io/timelimit/android/ui/lock/LockFragment.kt b/app/src/main/java/io/timelimit/android/ui/lock/LockFragment.kt
index 0019c48..1d6b55b 100644
--- a/app/src/main/java/io/timelimit/android/ui/lock/LockFragment.kt
+++ b/app/src/main/java/io/timelimit/android/ui/lock/LockFragment.kt
@@ -177,7 +177,7 @@ class LockFragment : Fragment() {
                     button.setOnClickListener {
                         if (auth.requestAuthenticationOrReturnTrue()) {
                             CreateCategoryDialogFragment
-                                    .newInstance(ManageChildFragmentArgs.Builder(user.id).build())
+                                    .newInstance(ManageChildFragmentArgs(childId = user.id))
                                     .show(fragmentManager!!)
                         }
                     }
diff --git a/build.gradle b/build.gradle
index 8994743..fd02fa8 100644
--- a/build.gradle
+++ b/build.gradle
@@ -9,7 +9,7 @@ buildscript {
     dependencies {
         classpath 'com.android.tools.build:gradle:3.3.0'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
-        classpath "android.arch.navigation:navigation-safe-args-gradle-plugin:1.0.0-alpha09"
+        classpath "android.arch.navigation:navigation-safe-args-gradle-plugin:1.0.0-alpha11"
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files