diff --git a/benchmarks/src/main/scala/pl/iterators/sealedmonad/benchmarks/SealedPrograms.scala b/benchmarks/src/main/scala/pl/iterators/sealedmonad/benchmarks/SealedPrograms.scala
index 49fccb8..12bb34a 100644
--- a/benchmarks/src/main/scala/pl/iterators/sealedmonad/benchmarks/SealedPrograms.scala
+++ b/benchmarks/src/main/scala/pl/iterators/sealedmonad/benchmarks/SealedPrograms.scala
@@ -4,13 +4,13 @@ import java.util.concurrent.TimeUnit
 
 import cats.Monad
 import cats.data.{EitherT, OptionT}
-import org.openjdk.jmh.annotations._
+import org.openjdk.jmh.annotations.*
 import org.openjdk.jmh.infra.Blackhole
 
 import scala.util.{Random, Try}
 
 object SealedPrograms {
-  import cats.instances.try_._
+  import cats.instances.try_.*
 
   type M[A] = Try[A]
   implicit val M: Monad[Try] = Monad[Try]
@@ -30,8 +30,8 @@ object SealedPrograms {
 @Fork(1)
 class SealedPrograms {
 
-  import SealedPrograms._
-  import pl.iterators.sealedmonad.syntax._
+  import SealedPrograms.*
+  import pl.iterators.sealedmonad.syntax.*
 
   private val tokens = 1024
 
diff --git a/benchmarks/src/main/scala/pl/iterators/sealedmonad/benchmarks/SingleSealedOps.scala b/benchmarks/src/main/scala/pl/iterators/sealedmonad/benchmarks/SingleSealedOps.scala
index 542cda5..262e787 100644
--- a/benchmarks/src/main/scala/pl/iterators/sealedmonad/benchmarks/SingleSealedOps.scala
+++ b/benchmarks/src/main/scala/pl/iterators/sealedmonad/benchmarks/SingleSealedOps.scala
@@ -5,11 +5,11 @@ import java.util.concurrent.TimeUnit
 import cats.Monad
 import cats.data.EitherT
 import cats.instances.TryInstances
-import org.openjdk.jmh.annotations._
+import org.openjdk.jmh.annotations.*
 import org.openjdk.jmh.infra.Blackhole
 import pl.iterators.sealedmonad.Sealed
 
-import scala.util._
+import scala.util.*
 
 object SingleSealedOps extends TryInstances {
   sealed trait ADT
@@ -28,7 +28,7 @@ object SingleSealedOps extends TryInstances {
 @Measurement(iterations = 20, time = 1, timeUnit = TimeUnit.SECONDS)
 @Fork(1)
 class SingleSealedOps {
-  import SingleSealedOps._
+  import SingleSealedOps.*
 
   @Param(Array("0", "2", "4", "8", "16", "32", "64", "128"))
   var tokens: Int = _
diff --git a/build.sbt b/build.sbt
index ec494ae..af71db2 100644
--- a/build.sbt
+++ b/build.sbt
@@ -94,8 +94,8 @@ lazy val noPublishSettings =
 lazy val examples = project
   .in(file("examples"))
   .dependsOn(sealedMonad.jvm % "test->test;compile->compile")
-  .settings(baseSettings: _*)
-  .settings(noPublishSettings: _*)
+  .settings(baseSettings *)
+  .settings(noPublishSettings *)
   .settings(
     name        := "examples",
     description := "Sealed monad - snippets of example code",
@@ -106,8 +106,8 @@ lazy val docs = project
   .in(file("sealed-docs"))
   .dependsOn(sealedMonad.jvm % "test->test;compile->compile")
   .enablePlugins(MdocPlugin, DocusaurusPlugin)
-  .settings(baseSettings: _*)
-  .settings(noPublishSettings: _*)
+  .settings(baseSettings *)
+  .settings(noPublishSettings *)
   .settings(
     name        := "docs",
     description := "Sealed monad documentation",
@@ -123,8 +123,8 @@ lazy val benchmarks = project
   .in(file("benchmarks"))
   .dependsOn(sealedMonad.jvm % "test->test;compile->compile")
   .enablePlugins(JmhPlugin)
-  .settings(baseSettings: _*)
-  .settings(noPublishSettings: _*)
+  .settings(baseSettings *)
+  .settings(noPublishSettings *)
   .settings(
     name        := "benchmarks",
     description := "Sealed monad benchmarks",
@@ -138,7 +138,7 @@ lazy val sealedMonad = crossProject(JSPlatform, JVMPlatform, NativePlatform)
   .crossType(CrossType.Pure)
   .in(file("sealedmonad"))
   .jsConfigure(_.disablePlugins(DoctestPlugin))
-  .settings(baseSettings: _*)
+  .settings(baseSettings *)
   .settings(
     name        := "sealed-monad",
     description := "Scala library for nice for-comprehension-style error handling"
diff --git a/examples/src/main/scala/pl/iterators/sealedmonad/examples/Options.scala b/examples/src/main/scala/pl/iterators/sealedmonad/examples/Options.scala
index ad80ce9..a617e9e 100644
--- a/examples/src/main/scala/pl/iterators/sealedmonad/examples/Options.scala
+++ b/examples/src/main/scala/pl/iterators/sealedmonad/examples/Options.scala
@@ -2,8 +2,8 @@ package pl.iterators.sealedmonad.examples
 
 import cats.Monad
 import cats.data.{EitherT, OptionT}
-import cats.syntax.flatMap._
-import cats.syntax.functor._
+import cats.syntax.flatMap.*
+import cats.syntax.functor.*
 import pl.iterators.sealedmonad.Sealed
 
 import scala.language.higherKinds
@@ -11,7 +11,7 @@ import scala.language.higherKinds
 object Options {
 
   object Example1 {
-    import pl.iterators.sealedmonad.syntax._
+    import pl.iterators.sealedmonad.syntax.*
 
     def login[M[_]](
         email: String,
@@ -63,7 +63,7 @@ object Options {
   }
 
   object Example2 {
-    import pl.iterators.sealedmonad.syntax._
+    import pl.iterators.sealedmonad.syntax.*
 
     def confirmEmail[M[_]: Monad](
         token: String,
@@ -100,7 +100,7 @@ object Options {
     }
 
     class Example3[M[_]: Monad] {
-      import pl.iterators.sealedmonad.syntax._
+      import pl.iterators.sealedmonad.syntax.*
 
       def sealedLogin(email: String): M[LoginResponse] =
         (for {
diff --git a/examples/src/test/scala/pl/iterators/sealedmonad/examples/AllTests.scala b/examples/src/test/scala/pl/iterators/sealedmonad/examples/AllTests.scala
index 039af43..961558b 100644
--- a/examples/src/test/scala/pl/iterators/sealedmonad/examples/AllTests.scala
+++ b/examples/src/test/scala/pl/iterators/sealedmonad/examples/AllTests.scala
@@ -2,7 +2,7 @@ package pl.iterators.sealedmonad.examples
 
 import cats.{Eq, Monad}
 import org.scalacheck.{Arbitrary, Cogen}
-import Options._
+import Options.*
 import org.typelevel.discipline.Laws
 import org.scalacheck.Prop
 
diff --git a/examples/src/test/scala/pl/iterators/sealedmonad/examples/OptionsTests.scala b/examples/src/test/scala/pl/iterators/sealedmonad/examples/OptionsTests.scala
index 4f88742..7f4fac4 100644
--- a/examples/src/test/scala/pl/iterators/sealedmonad/examples/OptionsTests.scala
+++ b/examples/src/test/scala/pl/iterators/sealedmonad/examples/OptionsTests.scala
@@ -1,19 +1,19 @@
 package pl.iterators.sealedmonad.examples
 
 import cats.{Eq, Monad}
-import org.scalacheck.Prop._
-import org.scalacheck._
+import org.scalacheck.Prop.*
+import org.scalacheck.*
 import org.typelevel.discipline.Laws
-import pl.iterators.sealedmonad.examples.Options._
-import pl.iterators.sealedmonad.examples.Options._
+import pl.iterators.sealedmonad.examples.Options.*
+import pl.iterators.sealedmonad.examples.Options.*
 
 import scala.language.higherKinds
 
 trait OptionsTests[M[_]] extends Laws {
   implicit def M: Monad[M]
 
-  import cats.kernel.laws._
-  import discipline._
+  import cats.kernel.laws.*
+  import discipline.*
 
   def loginEqv(
       email: String,
diff --git a/sealedmonad/src/main/scala/pl/iterators/sealedmonad/Sealed.scala b/sealedmonad/src/main/scala/pl/iterators/sealedmonad/Sealed.scala
index 1acbb03..c5efa30 100644
--- a/sealedmonad/src/main/scala/pl/iterators/sealedmonad/Sealed.scala
+++ b/sealedmonad/src/main/scala/pl/iterators/sealedmonad/Sealed.scala
@@ -1,12 +1,12 @@
 package pl.iterators.sealedmonad
 
-import cats._
-import cats.syntax.all._
+import cats.*
+import cats.syntax.all.*
 
 import scala.Function.const
 
 sealed trait Sealed[F[_], +A, +ADT] {
-  import Sealed._
+  import Sealed.*
   def map[B](f: A => B): Sealed[F, B, ADT] = Transform(this, f.andThen(left[F, B, ADT]), right[F, B, ADT])
   def flatMap[B, ADT1 >: ADT](f: A => Sealed[F, B, ADT1]): Sealed[F, B, ADT1] = Transform(this, f, right[F, B, ADT1])
 
@@ -18,7 +18,7 @@ sealed trait Sealed[F[_], +A, +ADT] {
     * Example:
     * {{{
     * scala> import pl.iterators.sealedmonad.Sealed
-    * scala> import pl.iterators.sealedmonad.syntax._
+    * scala> import pl.iterators.sealedmonad.syntax.*
     * scala> import cats.Id
     * scala> sealed trait Response
     * scala> case class Value(i: Int) extends Response
@@ -38,7 +38,7 @@ sealed trait Sealed[F[_], +A, +ADT] {
     * Example:
     * {{{
     * scala> import pl.iterators.sealedmonad.Sealed
-    * scala> import pl.iterators.sealedmonad.syntax._
+    * scala> import pl.iterators.sealedmonad.syntax.*
     * scala> import cats.Id
     * scala> sealed trait Response
     * scala> case class Value(i: Int) extends Response
@@ -69,7 +69,7 @@ sealed trait Sealed[F[_], +A, +ADT] {
     * Example:
     * {{{
     * scala> import pl.iterators.sealedmonad.Sealed
-    * scala> import pl.iterators.sealedmonad.syntax._
+    * scala> import pl.iterators.sealedmonad.syntax.*
     * scala> import cats.Id
     * scala> sealed trait Response
     * scala> case class Value(i: Int) extends Response
@@ -96,7 +96,7 @@ sealed trait Sealed[F[_], +A, +ADT] {
     * Example:
     * {{{
     * scala> import pl.iterators.sealedmonad.Sealed
-    * scala> import pl.iterators.sealedmonad.syntax._
+    * scala> import pl.iterators.sealedmonad.syntax.*
     * scala> import cats.Id
     * scala> sealed trait Response
     * scala> case class Value(i: Int) extends Response
@@ -114,7 +114,7 @@ sealed trait Sealed[F[_], +A, +ADT] {
     * Example:
     * {{{
     * scala> import pl.iterators.sealedmonad.Sealed
-    * scala> import pl.iterators.sealedmonad.syntax._
+    * scala> import pl.iterators.sealedmonad.syntax.*
     * scala> import cats.Id
     * scala> sealed trait Response
     * scala> case class Value(i: Int) extends Response
@@ -138,7 +138,7 @@ sealed trait Sealed[F[_], +A, +ADT] {
     * Example:
     * {{{
     * scala> import pl.iterators.sealedmonad.Sealed
-    * scala> import pl.iterators.sealedmonad.syntax._
+    * scala> import pl.iterators.sealedmonad.syntax.*
     * scala> import cats.Id
     * scala> sealed trait Response
     * scala> case class Value(i: Int) extends Response
@@ -161,7 +161,7 @@ sealed trait Sealed[F[_], +A, +ADT] {
     * Example:
     * {{{
     * scala> import pl.iterators.sealedmonad.Sealed
-    * scala> import pl.iterators.sealedmonad.syntax._
+    * scala> import pl.iterators.sealedmonad.syntax.*
     * scala> import cats.Id
     * scala> sealed trait Response
     * scala> case class Value(i: Int) extends Response
@@ -184,7 +184,7 @@ sealed trait Sealed[F[_], +A, +ADT] {
     * Example:
     * {{{
     * scala> import pl.iterators.sealedmonad.Sealed
-    * scala> import pl.iterators.sealedmonad.syntax._
+    * scala> import pl.iterators.sealedmonad.syntax.*
     * scala> import cats.Id
     * scala> sealed trait Response
     * scala> case class Value(i: Int) extends Response
@@ -206,7 +206,7 @@ sealed trait Sealed[F[_], +A, +ADT] {
     * Example:
     * {{{
     * scala> import pl.iterators.sealedmonad.Sealed
-    * scala> import pl.iterators.sealedmonad.syntax._
+    * scala> import pl.iterators.sealedmonad.syntax.*
     * scala> import cats.Id
     * scala> sealed trait Response
     * scala> case class Value(i: Int) extends Response
@@ -229,7 +229,7 @@ sealed trait Sealed[F[_], +A, +ADT] {
     * Example:
     * {{{
     * scala> import pl.iterators.sealedmonad.Sealed
-    * scala> import pl.iterators.sealedmonad.syntax._
+    * scala> import pl.iterators.sealedmonad.syntax.*
     * scala> import cats.Id
     * scala> sealed trait Response
     * scala> case class Value(i: Int) extends Response
@@ -253,7 +253,7 @@ sealed trait Sealed[F[_], +A, +ADT] {
     * Example:
     * {{{
     * scala> import pl.iterators.sealedmonad.Sealed
-    * scala> import pl.iterators.sealedmonad.syntax._
+    * scala> import pl.iterators.sealedmonad.syntax.*
     * scala> import cats.Eval
     * scala> sealed trait Response
     * scala> case class Value(i: Int) extends Response
@@ -277,7 +277,7 @@ sealed trait Sealed[F[_], +A, +ADT] {
     * Example:
     * {{{
     * scala> import pl.iterators.sealedmonad.Sealed
-    * scala> import pl.iterators.sealedmonad.syntax._
+    * scala> import pl.iterators.sealedmonad.syntax.*
     * scala> import cats.Id
     * scala> sealed trait Response
     * scala> case class Value(i: Int) extends Response
@@ -296,7 +296,7 @@ sealed trait Sealed[F[_], +A, +ADT] {
     * Example:
     * {{{
     * scala> import pl.iterators.sealedmonad.Sealed
-    * scala> import pl.iterators.sealedmonad.syntax._
+    * scala> import pl.iterators.sealedmonad.syntax.*
     * scala> import cats.Id
     * scala> sealed trait Response
     * scala> case class Value(i: Int) extends Response
@@ -314,7 +314,7 @@ sealed trait Sealed[F[_], +A, +ADT] {
     * Example:
     * {{{
     * scala> import pl.iterators.sealedmonad.Sealed
-    * scala> import pl.iterators.sealedmonad.syntax._
+    * scala> import pl.iterators.sealedmonad.syntax.*
     * scala> import cats.Id
     * scala> sealed trait Response
     * scala> case class Value(i: Int) extends Response
@@ -332,7 +332,7 @@ sealed trait Sealed[F[_], +A, +ADT] {
     * Example:
     * {{{
     * scala> import pl.iterators.sealedmonad.Sealed
-    * scala> import pl.iterators.sealedmonad.syntax._
+    * scala> import pl.iterators.sealedmonad.syntax.*
     * scala> import cats.Id
     * scala> sealed trait Response
     * scala> case class Value(i: Int) extends Response
@@ -356,7 +356,7 @@ sealed trait Sealed[F[_], +A, +ADT] {
     * Example:
     * {{{
     * scala> import pl.iterators.sealedmonad.Sealed
-    * scala> import pl.iterators.sealedmonad.syntax._
+    * scala> import pl.iterators.sealedmonad.syntax.*
     * scala> import cats.Id
     * scala> sealed trait Response
     * scala> case class Value(i: Int) extends Response
@@ -380,7 +380,7 @@ sealed trait Sealed[F[_], +A, +ADT] {
     * Example:
     * {{{
     * scala> import pl.iterators.sealedmonad.Sealed
-    * scala> import pl.iterators.sealedmonad.syntax._
+    * scala> import pl.iterators.sealedmonad.syntax.*
     * scala> import cats.Id
     * scala> sealed trait Response
     * scala> case class Value(i: Int) extends Response
@@ -402,7 +402,7 @@ sealed trait Sealed[F[_], +A, +ADT] {
     * Example:
     * {{{
     * scala> import pl.iterators.sealedmonad.Sealed
-    * scala> import pl.iterators.sealedmonad.syntax._
+    * scala> import pl.iterators.sealedmonad.syntax.*
     * scala> import cats.Id
     * scala> sealed trait Response
     * scala> case class Value(i: Int) extends Response
@@ -424,7 +424,7 @@ sealed trait Sealed[F[_], +A, +ADT] {
     * Example:
     * {{{
     * scala> import pl.iterators.sealedmonad.Sealed
-    * scala> import pl.iterators.sealedmonad.syntax._
+    * scala> import pl.iterators.sealedmonad.syntax.*
     * scala> import cats.Id
     * scala> sealed trait Response
     * scala> case class Value(i: Int) extends Response
@@ -450,7 +450,7 @@ sealed trait Sealed[F[_], +A, +ADT] {
 
 object Sealed extends SealedInstances {
 
-  import cats.syntax.either._
+  import cats.syntax.either.*
 
   def apply[F[_], A](value: => F[A]): Sealed[F, A, Nothing] = defer(leftF(value))
   def liftF[F[_], A](value: A): Sealed[F, A, Nothing]       = defer(left(value))
@@ -464,6 +464,19 @@ object Sealed extends SealedInstances {
     case None    => right(orElse)
   }
 
+  /** Shorthand for F.pure(()).seal
+    *
+    * Example:
+    * {{{
+    * scala> import pl.iterators.sealedmonad.Sealed
+    * scala> import pl.iterators.sealedmonad.syntax.*
+    * scala> import cats.Id
+    * scala> Sealed.unit[Id] == Id.pure(()).seal
+    * res0: true
+    * }}}
+    */
+  def unit[F[_]]: Sealed[F, Unit, Nothing] = liftF(())
+
   def valueOrF[F[_], A, ADT](fa: => F[Option[A]], orElse: => F[ADT]): Sealed[F, A, ADT] =
     apply(fa).flatMap {
       case Some(a) => left(a)
diff --git a/sealedmonad/src/test/scala/pl/iterators/sealedmonad/SealedTestInstances.scala b/sealedmonad/src/test/scala/pl/iterators/sealedmonad/SealedTestInstances.scala
index 9477b3b..8523c87 100644
--- a/sealedmonad/src/test/scala/pl/iterators/sealedmonad/SealedTestInstances.scala
+++ b/sealedmonad/src/test/scala/pl/iterators/sealedmonad/SealedTestInstances.scala
@@ -2,7 +2,7 @@ package pl.iterators.sealedmonad
 
 import cats.laws.discipline.SemigroupalTests.Isomorphisms
 import cats.{Eq, Monad}
-import org.scalacheck._
+import org.scalacheck.*
 
 import scala.language.higherKinds
 
diff --git a/sealedmonad/src/test/scala/pl/iterators/sealedmonad/SealedTests.scala b/sealedmonad/src/test/scala/pl/iterators/sealedmonad/SealedTests.scala
index 91ace84..25ce883 100644
--- a/sealedmonad/src/test/scala/pl/iterators/sealedmonad/SealedTests.scala
+++ b/sealedmonad/src/test/scala/pl/iterators/sealedmonad/SealedTests.scala
@@ -1,7 +1,7 @@
 package pl.iterators.sealedmonad
 
 import cats.{Eq, Monad}
-import org.scalacheck.Prop._
+import org.scalacheck.Prop.*
 import org.scalacheck.{Arbitrary, Cogen}
 import org.typelevel.discipline.Laws
 import pl.iterators.sealedmonad.laws.SealedLaws
@@ -13,7 +13,7 @@ trait SealedTests[F[_]] extends Laws with SealedTestInstances {
   def laws: SealedLaws[F]
 
   import SealedTestInstances.ADT
-  import cats.kernel.laws.discipline._
+  import cats.kernel.laws.discipline.*
 
   def tests[A, B, C](implicit
       ArbA: Arbitrary[A],
diff --git a/sealedmonad/src/test/scala/pl/iterators/sealedmonad/laws/SealedLaws.scala b/sealedmonad/src/test/scala/pl/iterators/sealedmonad/laws/SealedLaws.scala
index 5fede94..e22bae4 100644
--- a/sealedmonad/src/test/scala/pl/iterators/sealedmonad/laws/SealedLaws.scala
+++ b/sealedmonad/src/test/scala/pl/iterators/sealedmonad/laws/SealedLaws.scala
@@ -1,7 +1,7 @@
 package pl.iterators.sealedmonad.laws
 
 import cats.Monad
-import cats.kernel.laws._
+import cats.kernel.laws.*
 import pl.iterators.sealedmonad.Sealed
 import pl.iterators.sealedmonad.SealedTestInstances.ADT
 
@@ -10,9 +10,9 @@ import scala.language.higherKinds
 trait SealedLaws[F[_]] {
   implicit def M: Monad[F]
 
-  import cats.syntax.either._
-  import cats.syntax.flatMap._
-  import cats.syntax.functor._
+  import cats.syntax.either.*
+  import cats.syntax.flatMap.*
+  import cats.syntax.functor.*
 
   def valueMapReduction[A, B](fa: F[A], f: A => B) = Sealed(fa).map(f) <-> Sealed(fa.map(f))
 
diff --git a/sealedmonad/src/test/scala/pl/iterators/sealedmonad/side_effects/SealedSideEffectsInspect.scala b/sealedmonad/src/test/scala/pl/iterators/sealedmonad/side_effects/SealedSideEffectsInspect.scala
index 16f9214..44cb760 100644
--- a/sealedmonad/src/test/scala/pl/iterators/sealedmonad/side_effects/SealedSideEffectsInspect.scala
+++ b/sealedmonad/src/test/scala/pl/iterators/sealedmonad/side_effects/SealedSideEffectsInspect.scala
@@ -1,7 +1,7 @@
 package pl.iterators.sealedmonad.side_effects
 
 import cats.Id
-import pl.iterators.sealedmonad.syntax._
+import pl.iterators.sealedmonad.syntax.*
 
 trait SealedSideEffectsInspect {
 
diff --git a/sealedmonad/src/test/scala/pl/iterators/sealedmonad/side_effects/SealedSideEffectsInspectF.scala b/sealedmonad/src/test/scala/pl/iterators/sealedmonad/side_effects/SealedSideEffectsInspectF.scala
index b53f43f..dbb4347 100644
--- a/sealedmonad/src/test/scala/pl/iterators/sealedmonad/side_effects/SealedSideEffectsInspectF.scala
+++ b/sealedmonad/src/test/scala/pl/iterators/sealedmonad/side_effects/SealedSideEffectsInspectF.scala
@@ -1,7 +1,7 @@
 package pl.iterators.sealedmonad.side_effects
 
 import cats.Eval
-import pl.iterators.sealedmonad.syntax._
+import pl.iterators.sealedmonad.syntax.*
 
 trait SealedSideEffectsInspectF {
 
diff --git a/sealedmonad/src/test/scala/pl/iterators/sealedmonad/side_effects/SealedSideEffectsSemiflatTap.scala b/sealedmonad/src/test/scala/pl/iterators/sealedmonad/side_effects/SealedSideEffectsSemiflatTap.scala
index 0af9ee0..688d605 100644
--- a/sealedmonad/src/test/scala/pl/iterators/sealedmonad/side_effects/SealedSideEffectsSemiflatTap.scala
+++ b/sealedmonad/src/test/scala/pl/iterators/sealedmonad/side_effects/SealedSideEffectsSemiflatTap.scala
@@ -1,7 +1,7 @@
 package pl.iterators.sealedmonad.side_effects
 
 import cats.{Applicative, Id}
-import pl.iterators.sealedmonad.syntax._
+import pl.iterators.sealedmonad.syntax.*
 import cats.catsInstancesForId
 
 trait SealedSideEffectsSemiflatTap {
diff --git a/sealedmonad/src/test/scala/pl/iterators/sealedmonad/side_effects/SealedSideEffectsTap.scala b/sealedmonad/src/test/scala/pl/iterators/sealedmonad/side_effects/SealedSideEffectsTap.scala
index e6c9dbc..86d5511 100644
--- a/sealedmonad/src/test/scala/pl/iterators/sealedmonad/side_effects/SealedSideEffectsTap.scala
+++ b/sealedmonad/src/test/scala/pl/iterators/sealedmonad/side_effects/SealedSideEffectsTap.scala
@@ -1,7 +1,7 @@
 package pl.iterators.sealedmonad.side_effects
 
 import cats.Id
-import pl.iterators.sealedmonad.syntax._
+import pl.iterators.sealedmonad.syntax.*
 
 trait SealedSideEffectsTap {