diff --git a/.scalafmt.conf b/.scalafmt.conf
index 3194834..652c3b7 100644
--- a/.scalafmt.conf
+++ b/.scalafmt.conf
@@ -12,7 +12,7 @@ newlines.beforeMultiline = keep
 newlines.afterCurlyLambdaParams = keep
 newlines.alwaysBeforeElseAfterCurlyIf = true
 
-runner.dialect = scala213source3
+runner.dialect = scala3
 
 rewrite.rules = [
   RedundantBraces
diff --git a/build.sbt b/build.sbt
index 9efdcfd..3632bf6 100644
--- a/build.sbt
+++ b/build.sbt
@@ -59,19 +59,19 @@ lazy val compileOptions: Seq[Setting[_]] = Seq(
 
 lazy val packagerProjectSettings = Seq(
   name               := "scala-packager",
-  scalaVersion       := ScalaVersions.scala213,
+  scalaVersion       := ScalaVersions.scala3,
   crossScalaVersions := ScalaVersions.all
 )
 
 lazy val imageResizerProjectSettings = Seq(
   name               := "scala-packager-image-resizer",
-  scalaVersion       := ScalaVersions.scala213,
+  scalaVersion       := ScalaVersions.scala3,
   crossScalaVersions := ScalaVersions.all
 )
 
 lazy val cliProjectSettings = Seq(
   name               := "scala-packager-cli",
-  scalaVersion       := ScalaVersions.scala213,
+  scalaVersion       := ScalaVersions.scala3,
   crossScalaVersions := ScalaVersions.all,
   libraryDependencies ++= Seq(Deps.caseApp)
 )
diff --git a/modules/cli/src/main/scala/packager/cli/commands/BuildOptions.scala b/modules/cli/src/main/scala/packager/cli/commands/BuildOptions.scala
index f3f907d..0a56785 100644
--- a/modules/cli/src/main/scala/packager/cli/commands/BuildOptions.scala
+++ b/modules/cli/src/main/scala/packager/cli/commands/BuildOptions.scala
@@ -1,6 +1,6 @@
 package packager.cli.commands
 
-import caseapp.{Group, HelpMessage, Name, Parser, Recurse}
+import caseapp._
 import caseapp.core.help.Help
 import packager.cli.commands.BuildOptions.PackagerType
 import packager.config._
@@ -107,7 +107,6 @@ object BuildOptions {
     case object Rpm    extends NativePackagerType
   }
 
-  lazy val parser: Parser[BuildOptions]                           = Parser.derive
-  implicit lazy val parserAux: Parser.Aux[BuildOptions, parser.D] = parser
-  implicit lazy val help: Help[BuildOptions]                      = Help.derive
+  implicit lazy val parser: Parser[BuildOptions] = Parser.derive
+  implicit lazy val help: Help[BuildOptions]     = Help.derive
 }
diff --git a/modules/cli/src/main/scala/packager/cli/commands/DebianOptions.scala b/modules/cli/src/main/scala/packager/cli/commands/DebianOptions.scala
index d50fe77..9105b1b 100644
--- a/modules/cli/src/main/scala/packager/cli/commands/DebianOptions.scala
+++ b/modules/cli/src/main/scala/packager/cli/commands/DebianOptions.scala
@@ -1,7 +1,7 @@
 package packager.cli.commands
 
+import caseapp._
 import caseapp.core.help.Help
-import caseapp.{Group, HelpMessage, Parser, ValueDescription}
 import packager.cli.commands.SettingsHelpers.Mandatory
 import packager.config.{DebianSettings, SharedSettings}
 
@@ -54,7 +54,6 @@ final case class DebianOptions(
 }
 
 case object DebianOptions {
-  lazy val parser: Parser[DebianOptions]                           = Parser.derive
-  implicit lazy val parserAux: Parser.Aux[DebianOptions, parser.D] = parser
-  implicit lazy val help: Help[DebianOptions]                      = Help.derive
+  implicit lazy val parser: Parser[DebianOptions] = Parser.derive
+  implicit lazy val help: Help[DebianOptions]     = Help.derive
 }
diff --git a/modules/cli/src/main/scala/packager/cli/commands/DockerOptions.scala b/modules/cli/src/main/scala/packager/cli/commands/DockerOptions.scala
index bc249ca..ed9662b 100644
--- a/modules/cli/src/main/scala/packager/cli/commands/DockerOptions.scala
+++ b/modules/cli/src/main/scala/packager/cli/commands/DockerOptions.scala
@@ -1,7 +1,7 @@
 package packager.cli.commands
 
+import caseapp._
 import caseapp.core.help.Help
-import caseapp.{Group, HelpMessage, Parser, ValueDescription}
 import packager.cli.commands.SettingsHelpers.Mandatory
 import packager.config.DockerSettings
 import java.nio.file.Path;
@@ -57,9 +57,6 @@ final case class DockerOptions(
 }
 
 case object DockerOptions {
-
-  lazy val parser: Parser[DockerOptions]                           = Parser.derive
-  implicit lazy val parserAux: Parser.Aux[DockerOptions, parser.D] = parser
-  implicit lazy val help: Help[DockerOptions]                      = Help.derive
-
+  implicit lazy val parser: Parser[DockerOptions] = Parser.derive
+  implicit lazy val help: Help[DockerOptions]     = Help.derive
 }
diff --git a/modules/cli/src/main/scala/packager/cli/commands/MacOSOptions.scala b/modules/cli/src/main/scala/packager/cli/commands/MacOSOptions.scala
index 29c63a9..1ddd242 100644
--- a/modules/cli/src/main/scala/packager/cli/commands/MacOSOptions.scala
+++ b/modules/cli/src/main/scala/packager/cli/commands/MacOSOptions.scala
@@ -1,6 +1,6 @@
 package packager.cli.commands
 
-import caseapp.{Group, HelpMessage, Parser}
+import caseapp._
 import caseapp.core.help.Help
 import packager.config.{MacOSSettings, SharedSettings}
 import SettingsHelpers._
@@ -22,7 +22,6 @@ final case class MacOSOptions(
 }
 
 case object MacOSOptions {
-  lazy val parser: Parser[MacOSOptions]                           = Parser.derive
-  implicit lazy val parserAux: Parser.Aux[MacOSOptions, parser.D] = parser
-  implicit lazy val help: Help[MacOSOptions]                      = Help.derive
+  implicit lazy val parser: Parser[MacOSOptions] = Parser.derive
+  implicit lazy val help: Help[MacOSOptions]     = Help.derive
 }
diff --git a/modules/cli/src/main/scala/packager/cli/commands/RedHatOptions.scala b/modules/cli/src/main/scala/packager/cli/commands/RedHatOptions.scala
index b6e9fd3..55a7c6b 100644
--- a/modules/cli/src/main/scala/packager/cli/commands/RedHatOptions.scala
+++ b/modules/cli/src/main/scala/packager/cli/commands/RedHatOptions.scala
@@ -1,6 +1,6 @@
 package packager.cli.commands
 
-import caseapp.{Group, HelpMessage, Parser}
+import caseapp._
 import caseapp.core.help.Help
 import packager.config.{RedHatSettings, SharedSettings}
 import SettingsHelpers._
@@ -40,7 +40,6 @@ final case class RedHatOptions(
 }
 
 case object RedHatOptions {
-  lazy val parser: Parser[RedHatOptions]                           = Parser.derive
-  implicit lazy val parserAux: Parser.Aux[RedHatOptions, parser.D] = parser
-  implicit lazy val help: Help[RedHatOptions]                      = Help.derive
+  implicit lazy val parser: Parser[RedHatOptions] = Parser.derive
+  implicit lazy val help: Help[RedHatOptions]     = Help.derive
 }
diff --git a/modules/cli/src/main/scala/packager/cli/commands/SharedOptions.scala b/modules/cli/src/main/scala/packager/cli/commands/SharedOptions.scala
index a447b6c..f4b0fbd 100644
--- a/modules/cli/src/main/scala/packager/cli/commands/SharedOptions.scala
+++ b/modules/cli/src/main/scala/packager/cli/commands/SharedOptions.scala
@@ -1,6 +1,6 @@
 package packager.cli.commands
 
-import caseapp.{Group, HelpMessage, Name, Parser, ValueDescription}
+import caseapp._
 import caseapp.core.help.Help
 
 final case class SharedOptions(
@@ -32,7 +32,6 @@ final case class SharedOptions(
   logoPath: Option[String] = None
 )
 case object SharedOptions {
-  lazy val parser: Parser[SharedOptions]                           = Parser.derive
-  implicit lazy val parserAux: Parser.Aux[SharedOptions, parser.D] = parser
-  implicit lazy val help: Help[SharedOptions]                      = Help.derive
+  implicit lazy val parser: Parser[SharedOptions] = Parser.derive
+  implicit lazy val help: Help[SharedOptions]     = Help.derive
 }
diff --git a/modules/cli/src/main/scala/packager/cli/commands/WindowsOptions.scala b/modules/cli/src/main/scala/packager/cli/commands/WindowsOptions.scala
index 8715c92..b53996c 100644
--- a/modules/cli/src/main/scala/packager/cli/commands/WindowsOptions.scala
+++ b/modules/cli/src/main/scala/packager/cli/commands/WindowsOptions.scala
@@ -62,7 +62,6 @@ final case class WindowsOptions(
 }
 
 case object WindowsOptions {
-  lazy val parser: Parser[WindowsOptions]                           = Parser.derive
-  implicit lazy val parserAux: Parser.Aux[WindowsOptions, parser.D] = parser
-  implicit lazy val help: Help[WindowsOptions]                      = Help.derive
+  implicit lazy val parser: Parser[WindowsOptions] = Parser.derive
+  implicit lazy val help: Help[WindowsOptions]     = Help.derive
 }
diff --git a/project/ScalaVersions.scala b/project/ScalaVersions.scala
index 9d6b824..4b51a43 100644
--- a/project/ScalaVersions.scala
+++ b/project/ScalaVersions.scala
@@ -1,5 +1,6 @@
 object ScalaVersions {
   def scala212 = "2.12.20"
   def scala213 = "2.13.15"
-  def all      = Seq(scala213, scala212)
+  def scala3   = "3.3.4" // we stick to the LTS here
+  def all      = Seq(scala3)
 }