diff --git a/app/build.gradle b/app/build.gradle
index df7759bec4..4476e015d0 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -194,8 +194,6 @@ dependencies {
     implementation "com.github.bumptech.glide:glide:$glide_version"
     implementation "com.github.bumptech.glide:okhttp3-integration:$glide_version"
     kapt "com.github.bumptech.glide:compiler:$glide_version"
-
-    // Transformations
     implementation 'jp.wasabeef:glide-transformations:4.0.0'
 
     // Logging
@@ -213,7 +211,7 @@ dependencies {
     implementation 'com.github.amulyakhare:TextDrawable:558677e'
     implementation 'com.afollestad.material-dialogs:core:0.9.6.0'
     implementation 'com.nightlynexus.viewstatepageradapter:viewstatepageradapter:1.1.0'
-    implementation 'com.github.mthli:Slice:v1.2'
+    implementation 'com.github.mthli:Slice:v1.3'
     implementation 'me.gujun.android.taggroup:library:1.4@aar'
     implementation 'com.github.chrisbanes:PhotoView:2.3.0'
     implementation 'com.github.carlosesco:DirectionalViewPager:a844dbca0a'
@@ -234,7 +232,7 @@ dependencies {
 
     // Tests
     testImplementation 'junit:junit:4.13'
-    testImplementation 'org.assertj:assertj-core:1.7.1'
+    testImplementation 'org.assertj:assertj-core:3.12.2'
     testImplementation 'org.mockito:mockito-core:1.10.19'
 
     final robolectric_version = '3.1.4'
diff --git a/app/src/test/java/eu/kanade/tachiyomi/data/backup/BackupTest.kt b/app/src/test/java/eu/kanade/tachiyomi/data/backup/BackupTest.kt
index a166f39387..7fc8c269ef 100644
--- a/app/src/test/java/eu/kanade/tachiyomi/data/backup/BackupTest.kt
+++ b/app/src/test/java/eu/kanade/tachiyomi/data/backup/BackupTest.kt
@@ -23,7 +23,6 @@ import org.assertj.core.api.Assertions.assertThat
 import org.junit.Before
 import org.junit.Test
 import org.junit.runner.RunWith
-import org.mockito.Mockito
 import org.mockito.Mockito.RETURNS_DEEP_STUBS
 import org.mockito.Mockito.`when`
 import org.mockito.Mockito.anyLong
@@ -74,7 +73,7 @@ class BackupTest {
         // Mock the source manager
         val module = object : InjektModule {
             override fun InjektRegistrar.registerInjectables() {
-                addSingleton(Mockito.mock(SourceManager::class.java, RETURNS_DEEP_STUBS))
+                addSingleton(mock(SourceManager::class.java, RETURNS_DEEP_STUBS))
             }
         }
         Injekt.importModule(module)
diff --git a/app/src/test/java/eu/kanade/tachiyomi/data/database/CategoryTest.kt b/app/src/test/java/eu/kanade/tachiyomi/data/database/CategoryTest.kt
index 6e12314eae..d4c2a11059 100644
--- a/app/src/test/java/eu/kanade/tachiyomi/data/database/CategoryTest.kt
+++ b/app/src/test/java/eu/kanade/tachiyomi/data/database/CategoryTest.kt
@@ -13,7 +13,7 @@ import org.junit.runner.RunWith
 import org.robolectric.RuntimeEnvironment
 import org.robolectric.annotation.Config
 
-@Config(constants = BuildConfig::class, sdk = intArrayOf(Build.VERSION_CODES.LOLLIPOP))
+@Config(constants = BuildConfig::class, sdk = [Build.VERSION_CODES.LOLLIPOP])
 @RunWith(CustomRobolectricGradleTestRunner::class)
 class CategoryTest {
 
diff --git a/app/src/test/java/eu/kanade/tachiyomi/data/library/LibraryUpdateServiceTest.kt b/app/src/test/java/eu/kanade/tachiyomi/data/library/LibraryUpdateServiceTest.kt
index e6774bc65d..4d28a25a6c 100644
--- a/app/src/test/java/eu/kanade/tachiyomi/data/library/LibraryUpdateServiceTest.kt
+++ b/app/src/test/java/eu/kanade/tachiyomi/data/library/LibraryUpdateServiceTest.kt
@@ -17,7 +17,6 @@ import org.junit.Before
 import org.junit.Test
 import org.junit.runner.RunWith
 import org.mockito.Matchers.anyLong
-import org.mockito.Mockito
 import org.mockito.Mockito.RETURNS_DEEP_STUBS
 import org.mockito.Mockito.`when`
 import org.mockito.Mockito.mock
@@ -30,7 +29,7 @@ import uy.kohesive.injekt.api.InjektModule
 import uy.kohesive.injekt.api.InjektRegistrar
 import uy.kohesive.injekt.api.addSingleton
 
-@Config(constants = BuildConfig::class, sdk = intArrayOf(Build.VERSION_CODES.LOLLIPOP))
+@Config(constants = BuildConfig::class, sdk = [Build.VERSION_CODES.LOLLIPOP])
 @RunWith(CustomRobolectricGradleTestRunner::class)
 class LibraryUpdateServiceTest {
 
@@ -47,7 +46,7 @@ class LibraryUpdateServiceTest {
         // Mock the source manager
         val module = object : InjektModule {
             override fun InjektRegistrar.registerInjectables() {
-                addSingleton(Mockito.mock(SourceManager::class.java, RETURNS_DEEP_STUBS))
+                addSingleton(mock(SourceManager::class.java, RETURNS_DEEP_STUBS))
             }
         }
         Injekt.importModule(module)