diff --git a/.github/workflows/format.yml b/.github/workflows/format.yml
index 31dd5d4..158945b 100644
--- a/.github/workflows/format.yml
+++ b/.github/workflows/format.yml
@@ -17,7 +17,12 @@ jobs:
           fetch-depth: 0
           persist-credentials: false
 
-      - name: Check project is formatted
-        uses: jrouly/scalafmt-native-action@v4
+      - uses: actions/setup-java@v4
         with:
-          arguments: '--list'
+          distribution: temurin
+          java-version: 8
+
+      - uses: sbt/setup-sbt@v1
+
+      - name: Check project is formatted
+        run: sbt scalafmtSbtCheck "+ scalafmtCheckAll"
diff --git a/.scalafmt.conf b/.scalafmt.conf
index bb54dc3..f025c0b 100644
--- a/.scalafmt.conf
+++ b/.scalafmt.conf
@@ -1,5 +1,5 @@
 version = 3.8.3
-runner.dialect = scala212
+runner.dialect = scala212source3
 maxColumn = 120
 project.git = true
 
@@ -28,3 +28,7 @@ align.tokens."+" = [
 ]
 
 project.layout = StandardConvention
+rewrite.scala3.convertToNewSyntax = true
+rewrite.scala3.newSyntax.control = false
+runner.dialectOverride.allowUnderscoreAsTypePlaceholder = false
+runner.dialectOverride.allowSignificantIndentation = false
diff --git a/src/main/scala-2.12/PluginCompat.scala b/src/main/scala-2.12/PluginCompat.scala
index e3ee141..d90fc49 100644
--- a/src/main/scala-2.12/PluginCompat.scala
+++ b/src/main/scala-2.12/PluginCompat.scala
@@ -1,6 +1,6 @@
 package flywaysbt
 
-import java.nio.file.{ Path => NioPath }
+import java.nio.file.{ Path as NioPath }
 import java.io.File
 import sbt.Attributed
 import xsbti.FileConverter
diff --git a/src/main/scala-3/PluginCompat.scala b/src/main/scala-3/PluginCompat.scala
index a54d2f1..273c0ba 100644
--- a/src/main/scala-3/PluginCompat.scala
+++ b/src/main/scala-3/PluginCompat.scala
@@ -1,6 +1,6 @@
 package flywaysbt
 
-import java.nio.file.{ Path => NioPath }
+import java.nio.file.{ Path as NioPath }
 import sbt.*
 import xsbti.{ FileConverter, HashedVirtualFileRef, VirtualFile }
 
diff --git a/src/main/scala/flywaysbt/FlywayPlugin.scala b/src/main/scala/flywaysbt/FlywayPlugin.scala
index 9ef6111..1aa7ac8 100644
--- a/src/main/scala/flywaysbt/FlywayPlugin.scala
+++ b/src/main/scala/flywaysbt/FlywayPlugin.scala
@@ -231,13 +231,13 @@ object FlywayPlugin extends AutoPlugin {
   // *********************
   // flyway defaults
   // *********************
-  override def projectSettings: Seq[Setting[_]] =
+  override def projectSettings: Seq[Setting[?]] =
     flywayBaseSettings(Runtime) ++ inConfig(Test)(flywayBaseSettings(Test))
 
-  def flywayBaseSettings(conf: Configuration): Seq[Setting[_]] = {
-    import FlywayPlugin.autoImport._
+  def flywayBaseSettings(conf: Configuration): Seq[Setting[?]] = {
+    import FlywayPlugin.autoImport.*
     val defaults = getFlywayDefaults
-    Seq[Setting[_]](
+    Seq[Setting[?]](
       flywayDriver := "",
       flywayUrl := "",
       flywayUser := "",
@@ -302,7 +302,7 @@ object FlywayPlugin extends AutoPlugin {
         flywaySqlMigrationPrefix.value,
         flywayRepeatableSqlMigrationPrefix.value,
         flywaySqlMigrationSeparator.value,
-        flywaySqlMigrationSuffixes.value: _*
+        flywaySqlMigrationSuffixes.value*
       ),
       flywayConfigMigrate := ConfigMigrate(
         flywayIgnoreMissingMigrations.value,
@@ -406,7 +406,7 @@ object FlywayPlugin extends AutoPlugin {
     }
     def configure(config: ConfigBase): FluentConfiguration = {
       flyway
-        .schemas(config.schemas: _*)
+        .schemas(config.schemas*)
         .table(config.table)
         .baselineVersion(config.baselineVersion)
         .baselineDescription(config.baselineDescription)
@@ -414,14 +414,14 @@ object FlywayPlugin extends AutoPlugin {
     }
     def configure(config: ConfigMigrationLoading): FluentConfiguration = {
       flyway
-        .locations(config.locations: _*)
+        .locations(config.locations*)
         .encoding(config.encoding)
         .cleanOnValidationError(config.cleanOnValidationError)
         .cleanDisabled(config.cleanDisabled)
         // .target(config.target) Setting this as-is will make the default be "current", which we don't want
         .outOfOrder(config.outOfOrder)
-        .callbacks(config.callbacks: _*)
-        .resolvers(config.resolvers: _*)
+        .callbacks(config.callbacks*)
+        .resolvers(config.resolvers*)
         .skipDefaultResolvers(config.skipDefaultResolvers)
         .skipDefaultCallbacks(config.skipDefaultCallbacks)
         .validateMigrationNaming(config.validateMigrationNaming)
@@ -431,12 +431,12 @@ object FlywayPlugin extends AutoPlugin {
         .sqlMigrationPrefix(config.sqlMigrationPrefix)
         .repeatableSqlMigrationPrefix(config.repeatableSqlMigrationPrefix)
         .sqlMigrationSeparator(config.sqlMigrationSeparator)
-        .sqlMigrationSuffixes(config.sqlMigrationSuffixes: _*)
+        .sqlMigrationSuffixes(config.sqlMigrationSuffixes*)
     }
     def configure(config: ConfigMigrate): FluentConfiguration = {
 
       flyway
-        .ignoreMigrationPatterns(config.ignorePatterns: _*)
+        .ignoreMigrationPatterns(config.ignorePatterns*)
         .baselineOnMigrate(config.baselineOnMigrate)
         .validateOnMigrate(config.validateOnMigrate)
         .mixed(config.mixed)
@@ -459,7 +459,7 @@ object FlywayPlugin extends AutoPlugin {
   }
 
   private object SbtLogCreator extends LogCreator {
-    def createLogger(clazz: Class[_]): FlywaySbtLog.type = FlywaySbtLog
+    def createLogger(clazz: Class[?]): FlywaySbtLog.type = FlywaySbtLog
   }
 
   private object FlywaySbtLog extends Log {