diff --git a/uhabits-core/build.gradle.kts b/uhabits-core/build.gradle.kts
index c0854f067..d8153f586 100644
--- a/uhabits-core/build.gradle.kts
+++ b/uhabits-core/build.gradle.kts
@@ -62,6 +62,7 @@ kotlin {
                 implementation("org.hamcrest:hamcrest:2.2")
                 implementation("org.apache.commons:commons-io:1.3.2")
                 implementation("com.nhaarman.mockitokotlin2:mockito-kotlin:2.2.0")
+                implementation("org.junit.jupiter:junit-jupiter:5.8.1")
             }
         }
     }
diff --git a/uhabits-core/src/jvmTest/java/org/isoron/uhabits/core/commands/DeleteHabitsCommandTest.kt b/uhabits-core/src/jvmTest/java/org/isoron/uhabits/core/commands/DeleteHabitsCommandTest.kt
index b44328035..15f7f6717 100644
--- a/uhabits-core/src/jvmTest/java/org/isoron/uhabits/core/commands/DeleteHabitsCommandTest.kt
+++ b/uhabits-core/src/jvmTest/java/org/isoron/uhabits/core/commands/DeleteHabitsCommandTest.kt
@@ -23,18 +23,13 @@ import org.hamcrest.MatcherAssert.assertThat
 import org.isoron.uhabits.core.BaseUnitTest
 import org.isoron.uhabits.core.models.Habit
 import org.junit.Before
-import org.junit.Rule
 import org.junit.Test
-import org.junit.rules.ExpectedException
-import java.util.LinkedList
+import java.util.*
 
 class DeleteHabitsCommandTest : BaseUnitTest() {
     private lateinit var command: DeleteHabitsCommand
     private lateinit var selected: LinkedList<Habit>
 
-    @get:Rule
-    var thrown = ExpectedException.none()!!
-
     @Before
     @Throws(Exception::class)
     override fun setUp() {
diff --git a/uhabits-core/src/jvmTest/java/org/isoron/uhabits/core/database/migrations/Version22Test.kt b/uhabits-core/src/jvmTest/java/org/isoron/uhabits/core/database/migrations/Version22Test.kt
index 9a9927cc1..a98f28215 100644
--- a/uhabits-core/src/jvmTest/java/org/isoron/uhabits/core/database/migrations/Version22Test.kt
+++ b/uhabits-core/src/jvmTest/java/org/isoron/uhabits/core/database/migrations/Version22Test.kt
@@ -27,13 +27,10 @@ import org.isoron.uhabits.core.database.Database
 import org.isoron.uhabits.core.database.MigrationHelper
 import org.isoron.uhabits.core.models.sqlite.SQLModelFactory
 import org.isoron.uhabits.core.test.HabitFixtures
-import org.junit.Rule
 import org.junit.Test
-import org.junit.rules.ExpectedException
+import org.junit.jupiter.api.Assertions.assertThrows
 
 class Version22Test : BaseUnitTest() {
-    @get:Rule
-    var exception = ExpectedException.none()!!
     private lateinit var db: Database
     private lateinit var helper: MigrationHelper
 
@@ -76,8 +73,8 @@ class Version22Test : BaseUnitTest() {
     @Throws(Exception::class)
     fun testDisallowNewRepsWithInvalidRef() {
         helper.migrateTo(22)
-        exception.expectMessage(Matchers.containsString("SQLITE_CONSTRAINT"))
-        db.execute("insert into Repetitions(habit, timestamp, value) values (99999, 100, 2)")
+        val exception = assertThrows(java.lang.RuntimeException::class.java) { db.execute("insert into Repetitions(habit, timestamp, value) values (99999, 100, 2)") }
+        assertThat(exception.message, Matchers.containsString("SQLITE_CONSTRAINT"))
     }
 
     @Test
@@ -97,8 +94,12 @@ class Version22Test : BaseUnitTest() {
     @Throws(Exception::class)
     fun testDisallowNullTimestamp() {
         helper.migrateTo(22)
-        exception.expectMessage(Matchers.containsString("SQLITE_CONSTRAINT"))
-        db.execute("insert into Repetitions(habit, value) " + "values (0, 2)")
+
+        val exception = assertThrows(java.lang.RuntimeException::class.java) {
+            db.execute("insert into Repetitions(habit, value) " + "values (0, 2)")
+        }
+
+        assertThat(exception.message, Matchers.containsString("SQLITE_CONSTRAINT"))
     }
 
     @Test
@@ -118,8 +119,12 @@ class Version22Test : BaseUnitTest() {
     @Throws(Exception::class)
     fun testDisallowNullHabit() {
         helper.migrateTo(22)
-        exception.expectMessage(Matchers.containsString("SQLITE_CONSTRAINT"))
-        db.execute("insert into Repetitions(timestamp, value) " + "values (5, 2)")
+
+        val exception = assertThrows(java.lang.RuntimeException::class.java) {
+            db.execute("insert into Repetitions(timestamp, value) " + "values (5, 2)")
+        }
+
+        assertThat(exception.message, Matchers.containsString("SQLITE_CONSTRAINT"))
     }
 
     @Test
@@ -142,7 +147,11 @@ class Version22Test : BaseUnitTest() {
     fun testDisallowNewDuplicateTimestamps() {
         helper.migrateTo(22)
         db.execute("insert into repetitions(habit, timestamp, value)values (0, 100, 2)")
-        exception.expectMessage(Matchers.containsString("SQLITE_CONSTRAINT"))
-        db.execute("insert into repetitions(habit, timestamp, value)values (0, 100, 5)")
+
+        val exception = assertThrows(java.lang.RuntimeException::class.java) {
+            db.execute("insert into repetitions(habit, timestamp, value)values (0, 100, 5)")
+        }
+
+        assertThat(exception.message, Matchers.containsString("SQLITE_CONSTRAINT"))
     }
 }
diff --git a/uhabits-core/src/jvmTest/java/org/isoron/uhabits/core/models/HabitListTest.kt b/uhabits-core/src/jvmTest/java/org/isoron/uhabits/core/models/HabitListTest.kt
index 82f8d2c24..f4cecda6f 100644
--- a/uhabits-core/src/jvmTest/java/org/isoron/uhabits/core/models/HabitListTest.kt
+++ b/uhabits-core/src/jvmTest/java/org/isoron/uhabits/core/models/HabitListTest.kt
@@ -22,19 +22,15 @@ import org.hamcrest.CoreMatchers.equalTo
 import org.hamcrest.CoreMatchers.not
 import org.hamcrest.MatcherAssert.assertThat
 import org.isoron.uhabits.core.BaseUnitTest
-import org.junit.Rule
+import org.junit.Assert.assertThrows
 import org.junit.Test
-import org.junit.rules.ExpectedException
 import java.io.IOException
 import java.io.StringWriter
-import java.util.ArrayList
 import kotlin.test.assertEquals
 import kotlin.test.assertFalse
 import kotlin.test.assertNull
 
 class HabitListTest : BaseUnitTest() {
-    @get:Rule
-    var thrown = ExpectedException.none()!!
     private lateinit var habitsArray: ArrayList<Habit>
     private lateinit var activeHabits: HabitList
     private lateinit var reminderHabits: HabitList
@@ -173,8 +169,9 @@ class HabitListTest : BaseUnitTest() {
     fun testReorder_withInvalidArguments() {
         val h1 = habitsArray[0]
         val h2 = fixtures.createEmptyHabit()
-        thrown.expect(IllegalArgumentException::class.java)
-        habitList.reorder(h1, h2)
+        assertThrows(IllegalArgumentException::class.java) {
+            habitList.reorder(h1, h2)
+        }
     }
 
     @Test
@@ -235,15 +232,17 @@ class HabitListTest : BaseUnitTest() {
     @Test
     @Throws(Exception::class)
     fun testAdd_withFilteredList() {
-        thrown.expect(IllegalStateException::class.java)
-        activeHabits.add(fixtures.createEmptyHabit())
+        assertThrows(IllegalStateException::class.java) {
+            activeHabits.add(fixtures.createEmptyHabit())
+        }
     }
 
     @Test
     @Throws(Exception::class)
     fun testRemove_onFilteredList() {
-        thrown.expect(IllegalStateException::class.java)
-        activeHabits.remove(fixtures.createEmptyHabit())
+        assertThrows(IllegalStateException::class.java) {
+            activeHabits.remove(fixtures.createEmptyHabit())
+        }
     }
 
     @Test
@@ -251,8 +250,9 @@ class HabitListTest : BaseUnitTest() {
     fun testReorder_onFilteredList() {
         val h1 = fixtures.createEmptyHabit()
         val h2 = fixtures.createEmptyHabit()
-        thrown.expect(IllegalStateException::class.java)
-        activeHabits.reorder(h1, h2)
+        assertThrows(IllegalStateException::class.java) {
+            activeHabits.reorder(h1, h2)
+        }
     }
 
     @Test
@@ -261,7 +261,8 @@ class HabitListTest : BaseUnitTest() {
         habitList.primaryOrder = HabitList.Order.BY_SCORE_DESC
         val h1 = habitsArray[1]
         val h2 = habitsArray[2]
-        thrown.expect(IllegalStateException::class.java)
-        habitList.reorder(h1, h2)
+        assertThrows(IllegalStateException::class.java) {
+            habitList.reorder(h1, h2)
+        }
     }
 }
diff --git a/uhabits-core/src/jvmTest/java/org/isoron/uhabits/core/models/HabitTest.kt b/uhabits-core/src/jvmTest/java/org/isoron/uhabits/core/models/HabitTest.kt
index df06d3d2c..64b498ed3 100644
--- a/uhabits-core/src/jvmTest/java/org/isoron/uhabits/core/models/HabitTest.kt
+++ b/uhabits-core/src/jvmTest/java/org/isoron/uhabits/core/models/HabitTest.kt
@@ -24,16 +24,12 @@ import org.hamcrest.core.IsEqual.equalTo
 import org.isoron.uhabits.core.BaseUnitTest
 import org.isoron.uhabits.core.utils.DateUtils.Companion.getToday
 import org.junit.Assert.assertNotEquals
-import org.junit.Rule
 import org.junit.Test
-import org.junit.rules.ExpectedException
 import kotlin.test.assertEquals
 import kotlin.test.assertFalse
 import kotlin.test.assertTrue
 
 class HabitTest : BaseUnitTest() {
-    @get:Rule
-    val exception = ExpectedException.none()!!
 
     @Throws(Exception::class)
     override fun setUp() {
diff --git a/uhabits-core/src/jvmTest/java/org/isoron/uhabits/core/models/sqlite/SQLiteHabitListTest.kt b/uhabits-core/src/jvmTest/java/org/isoron/uhabits/core/models/sqlite/SQLiteHabitListTest.kt
index 2351af4ee..acf418955 100644
--- a/uhabits-core/src/jvmTest/java/org/isoron/uhabits/core/models/sqlite/SQLiteHabitListTest.kt
+++ b/uhabits-core/src/jvmTest/java/org/isoron/uhabits/core/models/sqlite/SQLiteHabitListTest.kt
@@ -33,15 +33,11 @@ import org.isoron.uhabits.core.models.Reminder
 import org.isoron.uhabits.core.models.WeekdayList
 import org.isoron.uhabits.core.models.sqlite.records.HabitRecord
 import org.isoron.uhabits.core.test.HabitFixtures
-import org.junit.Rule
+import org.junit.Assert.assertThrows
 import org.junit.Test
-import org.junit.rules.ExpectedException
-import java.util.ArrayList
 import kotlin.test.assertNull
 
 class SQLiteHabitListTest : BaseUnitTest() {
-    @get:Rule
-    var exception = ExpectedException.none()!!
     private lateinit var repository: Repository<HabitRecord>
     private var listener: ModelObservable.Listener = mock()
     private lateinit var habitsArray: ArrayList<Habit>
@@ -90,8 +86,9 @@ class SQLiteHabitListTest : BaseUnitTest() {
         val habit = modelFactory.buildHabit()
         habitList.add(habit)
         verify(listener).onModelChange()
-        exception.expect(IllegalArgumentException::class.java)
-        habitList.add(habit)
+        assertThrows(IllegalArgumentException::class.java) {
+            habitList.add(habit)
+        }
     }
 
     @Test