diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index e2ec9d5d..32ea57ed 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -11,7 +11,7 @@ android {
         versionName = "1.0"
     }
 
-    packagingOptions {
+    packaging {
         resources {
             excludes += "/META-INF/{AL2.0,LGPL2.1}"
         }
diff --git a/app/src/test/java/com/droidknights/app2023/ExampleUnitTest.kt b/app/src/test/java/com/droidknights/app2023/ExampleUnitTest.kt
index 79ef4251..dcbfcaca 100644
--- a/app/src/test/java/com/droidknights/app2023/ExampleUnitTest.kt
+++ b/app/src/test/java/com/droidknights/app2023/ExampleUnitTest.kt
@@ -1,17 +1,15 @@
 package com.droidknights.app2023
 
-import org.junit.Test
-
-import org.junit.Assert.*
+import io.kotest.core.spec.style.StringSpec
+import io.kotest.matchers.shouldBe
 
 /**
  * Example local unit test, which will execute on the development machine (host).
  *
  * See [testing documentation](http://d.android.com/tools/testing).
  */
-class ExampleUnitTest {
-    @Test
-    fun addition_isCorrect() {
-        assertEquals(4, 2 + 2)
+class ExampleUnitTest : StringSpec({
+    "addition is correct" {
+        4 shouldBe 2 + 2
     }
-}
\ No newline at end of file
+})
diff --git a/build-logic/src/main/kotlin/com/droidknights/app2023/HiltKotlin.kt b/build-logic/src/main/kotlin/com/droidknights/app2023/HiltKotlin.kt
index 00c6d63b..e4802f3e 100644
--- a/build-logic/src/main/kotlin/com/droidknights/app2023/HiltKotlin.kt
+++ b/build-logic/src/main/kotlin/com/droidknights/app2023/HiltKotlin.kt
@@ -23,4 +23,4 @@ internal class HiltKotlinPlugin : Plugin<Project> {
             configureHiltKotlin()
         }
     }
-}
\ No newline at end of file
+}
diff --git a/build-logic/src/main/kotlin/com/droidknights/app2023/KotestAndroid.kt b/build-logic/src/main/kotlin/com/droidknights/app2023/KotestAndroid.kt
new file mode 100644
index 00000000..5e7a677f
--- /dev/null
+++ b/build-logic/src/main/kotlin/com/droidknights/app2023/KotestAndroid.kt
@@ -0,0 +1,17 @@
+package com.droidknights.app2023
+
+import org.gradle.api.Project
+import org.gradle.kotlin.dsl.dependencies
+
+internal fun Project.configureKotestAndroid() {
+    configureKotest()
+    configureJUnitAndroid()
+}
+
+internal fun Project.configureJUnitAndroid() {
+    androidExtension.apply {
+        testOptions {
+            unitTests.all { it.useJUnitPlatform() }
+        }
+    }
+}
diff --git a/build-logic/src/main/kotlin/com/droidknights/app2023/KotestKotlin.kt b/build-logic/src/main/kotlin/com/droidknights/app2023/KotestKotlin.kt
new file mode 100644
index 00000000..5a26c96f
--- /dev/null
+++ b/build-logic/src/main/kotlin/com/droidknights/app2023/KotestKotlin.kt
@@ -0,0 +1,21 @@
+package com.droidknights.app2023
+
+import org.gradle.api.Project
+import org.gradle.api.tasks.testing.Test
+import org.gradle.kotlin.dsl.dependencies
+import org.gradle.kotlin.dsl.withType
+
+internal fun Project.configureKotest() {
+    configureJUnit()
+    val libs = extensions.libs
+    dependencies {
+        "testImplementation"(libs.findLibrary("kotest.runner").get())
+        "testImplementation"(libs.findLibrary("kotest.assertions").get())
+    }
+}
+
+internal fun Project.configureJUnit() {
+    tasks.withType<Test>().configureEach {
+        useJUnitPlatform()
+    }
+}
diff --git a/build-logic/src/main/kotlin/com/droidknights/app2023/KotlinAndroid.kt b/build-logic/src/main/kotlin/com/droidknights/app2023/KotlinAndroid.kt
index d223d052..7623d024 100644
--- a/build-logic/src/main/kotlin/com/droidknights/app2023/KotlinAndroid.kt
+++ b/build-logic/src/main/kotlin/com/droidknights/app2023/KotlinAndroid.kt
@@ -4,9 +4,7 @@ package com.droidknights.app2023
 
 import org.gradle.api.JavaVersion
 import org.gradle.api.Project
-import org.gradle.api.artifacts.VersionCatalogsExtension
 import org.gradle.kotlin.dsl.dependencies
-import org.gradle.kotlin.dsl.getByType
 import org.gradle.kotlin.dsl.provideDelegate
 import org.gradle.kotlin.dsl.withType
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
diff --git a/build-logic/src/main/kotlin/droidknights.android.application.gradle.kts b/build-logic/src/main/kotlin/droidknights.android.application.gradle.kts
index deac6f7d..7115aa27 100644
--- a/build-logic/src/main/kotlin/droidknights.android.application.gradle.kts
+++ b/build-logic/src/main/kotlin/droidknights.android.application.gradle.kts
@@ -1,4 +1,5 @@
 import com.droidknights.app2023.configureHiltAndroid
+import com.droidknights.app2023.configureKotestAndroid
 import com.droidknights.app2023.configureKotlinAndroid
 
 plugins {
@@ -7,3 +8,4 @@ plugins {
 
 configureKotlinAndroid()
 configureHiltAndroid()
+configureKotestAndroid()
diff --git a/build-logic/src/main/kotlin/droidknights.kotlin.library.gradle.kts b/build-logic/src/main/kotlin/droidknights.kotlin.library.gradle.kts
index 8acebd59..23c7f290 100644
--- a/build-logic/src/main/kotlin/droidknights.kotlin.library.gradle.kts
+++ b/build-logic/src/main/kotlin/droidknights.kotlin.library.gradle.kts
@@ -1,3 +1,4 @@
+import com.droidknights.app2023.configureKotest
 import com.droidknights.app2023.configureKotlin
 
 plugins {
@@ -6,3 +7,4 @@ plugins {
 }
 
 configureKotlin()
+configureKotest()
diff --git a/core/designsystem/src/main/java/com/droidknights/app2023/core/designsystem/theme/Theme.kt b/core/designsystem/src/main/java/com/droidknights/app2023/core/designsystem/theme/Theme.kt
index dde71a54..b0f6f4f1 100644
--- a/core/designsystem/src/main/java/com/droidknights/app2023/core/designsystem/theme/Theme.kt
+++ b/core/designsystem/src/main/java/com/droidknights/app2023/core/designsystem/theme/Theme.kt
@@ -26,7 +26,8 @@ private val LightColorScheme = lightColorScheme(
     secondary = PurpleGrey40,
     tertiary = Pink40
 
-    /* Other default colors to override
+/*
+    Other default colors to override
     background = Color(0xFFFFFBFE),
     surface = Color(0xFFFFFBFE),
     onPrimary = Color.White,
@@ -34,7 +35,7 @@ private val LightColorScheme = lightColorScheme(
     onTertiary = Color.White,
     onBackground = Color(0xFF1C1B1F),
     onSurface = Color(0xFF1C1B1F),
-    */
+*/
 )
 
 @Composable
@@ -42,7 +43,7 @@ fun DroidKnights2023Theme(
     darkTheme: Boolean = isSystemInDarkTheme(),
     // Dynamic color is available on Android 12+
     dynamicColor: Boolean = true,
-    content: @Composable () -> Unit
+    content: @Composable () -> Unit,
 ) {
     val colorScheme = when {
         dynamicColor && Build.VERSION.SDK_INT >= Build.VERSION_CODES.S -> {
@@ -67,4 +68,4 @@ fun DroidKnights2023Theme(
         typography = Typography,
         content = content
     )
-}
\ No newline at end of file
+}
diff --git a/core/designsystem/src/main/java/com/droidknights/app2023/core/designsystem/theme/Type.kt b/core/designsystem/src/main/java/com/droidknights/app2023/core/designsystem/theme/Type.kt
index 2e8105d8..017cbb2c 100644
--- a/core/designsystem/src/main/java/com/droidknights/app2023/core/designsystem/theme/Type.kt
+++ b/core/designsystem/src/main/java/com/droidknights/app2023/core/designsystem/theme/Type.kt
@@ -15,7 +15,8 @@ val Typography = Typography(
         lineHeight = 24.sp,
         letterSpacing = 0.5.sp
     )
-    /* Other default text styles to override
+/*
+    Other default text styles to override
     titleLarge = TextStyle(
         fontFamily = FontFamily.Default,
         fontWeight = FontWeight.Normal,
@@ -30,5 +31,5 @@ val Typography = Typography(
         lineHeight = 16.sp,
         letterSpacing = 0.5.sp
     )
-    */
-)
\ No newline at end of file
+*/
+)
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index a33d34db..7946e2f8 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -13,6 +13,7 @@ junit4 = "4.13.2"
 kotlin = "1.8.21"
 androidxTestExt = "1.1.4"
 androidxEspresso = "3.5.0"
+kotest = "5.6.2"
 # https://github.com/detekt/detekt
 detekt = "1.23.0"
 
@@ -45,6 +46,8 @@ junit4 = { group = "junit", name = "junit", version.ref = "junit4" }
 androidx-test-ext = { group = "androidx.test.ext", name = "junit-ktx", version.ref = "androidxTestExt" }
 androidx-test-espresso-core = { group = "androidx.test.espresso", name = "espresso-core", version.ref = "androidxEspresso" }
 inject = "javax.inject:javax.inject:1"
+kotest-runner = { group = "io.kotest", name = "kotest-runner-junit5", version.ref = "kotest" }
+kotest-assertions = { group = "io.kotest", name = "kotest-assertions-core", version.ref = "kotest" }
 
 # verify
 verify-detektFormatting = { module = "io.gitlab.arturbosch.detekt:detekt-formatting", version.ref = "detekt" }
@@ -60,4 +63,4 @@ android-library = { id = "com.android.library", version.ref = "androidGradlePlug
 kotlin-android = { id = "org.jetbrains.kotlin.android", version.ref = "kotlin" }
 kotlin-jvm = { id = "org.jetbrains.kotlin.jvm", version.ref = "kotlin" }
 hilt = { id = "com.google.dagger.hilt.android", version.ref = "hilt" }
-verify-detekt = { id = "io.gitlab.arturbosch.detekt", version.ref = "detekt" }
\ No newline at end of file
+verify-detekt = { id = "io.gitlab.arturbosch.detekt", version.ref = "detekt" }