diff --git a/buildSrc/src/main/kotlin/Libs.kt b/buildSrc/src/main/kotlin/Libs.kt
index 083903f97..feae21060 100644
--- a/buildSrc/src/main/kotlin/Libs.kt
+++ b/buildSrc/src/main/kotlin/Libs.kt
@@ -326,7 +326,7 @@ object Libs {
       Versions.xfetch2okhttp
 
   /**
-   * http://assertj.org
+   * https://assertj.github.io/doc/
    */
   const val assertj_core: String = "org.assertj:assertj-core:" + Versions.assertj_core
 
diff --git a/buildSrc/src/main/kotlin/Versions.kt b/buildSrc/src/main/kotlin/Versions.kt
index 2c0a2366b..edbd9d1bb 100644
--- a/buildSrc/src/main/kotlin/Versions.kt
+++ b/buildSrc/src/main/kotlin/Versions.kt
@@ -1,4 +1,3 @@
-import kotlin.String
 import org.gradle.plugin.use.PluginDependenciesSpec
 import org.gradle.plugin.use.PluginDependencySpec
 
@@ -12,35 +11,35 @@ import org.gradle.plugin.use.PluginDependencySpec
  * YOU are responsible for updating manually the dependency version.
  */
 object Versions {
-  const val org_jetbrains_kotlinx_kotlinx_coroutines: String = "1.3.9"
+  const val org_jetbrains_kotlinx_kotlinx_coroutines: String = "1.4.1"
 
-  const val androidx_test_espresso: String = "3.2.0" // available: "3.3.0"
+  const val androidx_test_espresso: String = "3.3.0"
 
   const val com_squareup_retrofit2: String = "2.9.0"
 
   const val com_squareup_okhttp3: String = "4.9.0"
 
-  const val org_jetbrains_kotlin: String = "1.3.72" // available: "1.4.10"
+  const val org_jetbrains_kotlin: String = "1.4.20"
 
-  const val androidx_navigation: String = "2.3.0"
+  const val androidx_navigation: String = "2.3.1"
 
-  const val com_google_dagger: String = "2.28.3" // available: "2.29.1"
+  const val com_google_dagger: String = "2.29.1"
 
   const val com_yahoo_squidb: String = "2.0.0" // available: "3.2.3"
 
-  const val com_jakewharton: String = "10.2.2" // available: "10.2.3"
+  const val com_jakewharton: String = "10.2.3"
 
-  const val androidx_test: String = "1.2.0" // available: "1.3.0"
+  const val androidx_test: String = "1.3.0"
 
-  const val io_objectbox: String = "2.7.0" // available: "2.7.1"
+  const val io_objectbox: String = "2.8.1"
 
   const val org_jacoco: String = "0.7.9"
 
-  const val io_mockk: String = "1.10.0" // available: "1.10.2"
+  const val io_mockk: String = "1.10.2"
 
   const val android_arch_lifecycle_extensions: String = "1.1.1"
 
-  const val com_android_tools_build_gradle: String = "4.0.1" // available: "4.0.2"
+  const val com_android_tools_build_gradle: String = "4.0.1" // available: "4.1.1"
 
   const val de_fayard_buildsrcversions_gradle_plugin: String = "0.7.0"
 
@@ -50,29 +49,29 @@ object Versions {
 
   const val ink_page_indicator: String = "1.3.0"
 
-  const val leakcanary_android: String = "2.4" // available: "2.5"
+  const val leakcanary_android: String = "2.5"
 
-  const val constraintlayout: String = "1.1.3" // available: "2.0.2"
+  const val constraintlayout: String = "2.0.4"
 
   const val collection_ktx: String = "1.1.0"
 
   const val preference_ktx: String = "1.1.1"
 
-  const val junit_jupiter: String = "5.6.2" // available: "5.7.0"
+  const val junit_jupiter: String = "5.7.0"
 
   const val xfetch2okhttp: String = "3.1.5"
 
-  const val assertj_core: String = "3.16.1" // available: "3.17.2"
+  const val assertj_core: String = "3.18.1"
 
   const val core_testing: String = "2.1.0"
 
   const val fragment_ktx: String = "1.2.5"
 
-  const val lint_gradle: String = "27.0.1" // available: "27.0.2"
+  const val lint_gradle: String = "27.1.1"
 
   const val testing_ktx: String = "1.1.2"
 
-  const val threetenabp: String = "1.2.4"
+  const val threetenabp: String = "1.3.0"
 
   const val uiautomator: String = "2.2.0"
 
@@ -84,11 +83,11 @@ object Versions {
 
   const val rxandroid: String = "2.1.1"
 
-  const val core_ktx: String = "1.3.1" // available: "1.3.2"
+  const val core_ktx: String = "1.3.2"
 
   const val kiwixlib: String = "9.4.1"
 
-  const val material: String = "1.2.0" // available: "1.2.1"
+  const val material: String = "1.2.1"
 
   const val multidex: String = "2.0.1"
 
@@ -98,22 +97,22 @@ object Versions {
 
   const val jsr305: String = "3.0.2"
 
-  const val ktlint: String = "0.36.0" // available: "0.39.0"
+  const val ktlint: String = "0.39.0"
 
-  const val rxjava: String = "2.2.19" // available: "2.2.20"
+  const val rxjava: String = "2.2.20"
 
-  const val webkit: String = "1.2.0" // available: "1.3.0"
+  const val webkit: String = "1.3.0"
 
-  const val aapt2: String = "4.0.1-6197926" // available: "4.0.2-6197926"
+  const val aapt2: String = "4.1.1-6503028"
 
-  const val junit: String = "1.1.1" // available: "1.1.2"
+  const val junit: String = "1.1.2"
 
   /**
    * Current version: "6.2"
    * See issue 19: How to update Gradle itself?
    * https://github.com/jmfayard/buildSrcVersions/issues/19
    */
-  const val gradleLatestVersion: String = "6.6.1"
+  const val gradleLatestVersion: String = "6.7.1"
 }
 
 /**