diff --git a/build.sbt b/build.sbt
index a68be88..f79d9bb 100644
--- a/build.sbt
+++ b/build.sbt
@@ -2,14 +2,22 @@ import org.scalajs.linker.interface.ESVersion
 import com.typesafe.tools.mima.core._
 
 val projectName = "parsley-cats"
-val Scala213 = "2.13.10"
-val Scala212 = "2.12.17"
-val Scala3 = "3.2.1"
+val Scala213 = "2.13.12"
+val Scala212 = "2.12.18"
+val Scala3 = "3.3.0"
+val Java8 = JavaSpec.temurin("8")
+val JavaLTS = JavaSpec.temurin("11")
+val JavaLatest = JavaSpec.temurin("17")
+
+val mainBranch = "master"
 
 Global / onChangedBuildSource := ReloadOnSourceChanges
 
+val releaseFlags = Seq("-Xdisable-assertions", "-opt:l:method,inline", "-opt-inline-from", "parsley.**", "-opt-warnings:at-inline-failed")
+val noReleaseFlagsScala3 = true // maybe some day this can be turned off...
+
 inThisBuild(List(
-  tlBaseVersion := "1.2",
+  tlBaseVersion := "1.3",
   organization := "com.github.j-mie6",
   startYear := Some(2022),
   homepage := Some(url("https://github.com/j-mie6/parsley-cats")),
@@ -30,9 +38,11 @@ inThisBuild(List(
     ProblemFilters.exclude[MissingClassProblem]("parsley.MonoidKForParsley"),
   ),
   // CI Configuration
-  tlCiReleaseBranches := Seq("master"),
+  tlCiReleaseBranches := Seq(mainBranch),
   tlSonatypeUseLegacyHost := false,
-  githubWorkflowJavaVersions := Seq(JavaSpec.temurin("8"), JavaSpec.temurin("11"), JavaSpec.temurin("17")),
+  tlCiScalafmtCheck := false,
+  tlCiHeaderCheck := true,
+  githubWorkflowJavaVersions := Seq(Java8, JavaLTS, JavaLatest),
 ))
 
 lazy val root = tlCrossRootProject.aggregate(`parsley-cats`)
@@ -43,13 +53,23 @@ lazy val `parsley-cats` = crossProject(JVMPlatform, JSPlatform, NativePlatform)
   .in(file("parsley-cats"))
   .settings(
     name := projectName,
+
+    headerLicenseStyle := HeaderLicenseStyle.SpdxSyntax,
+    headerEmptyLine := false,
+
     libraryDependencies ++= Seq(
       "org.typelevel" %%% "cats-core" % "2.8.0",
       "com.github.j-mie6" %%% "parsley" % "4.0.0",
-      "org.scalatest" %%% "scalatest" % "3.2.12" % Test,
+      "org.scalatest" %%% "scalatest" % "3.2.17" % Test,
       "org.typelevel" %%% "cats-laws" % "2.8.0" % Test,
     ),
+
+    Test / testOptions += Tests.Argument(TestFrameworks.ScalaTest, "-oI"),
+
+    scalacOptions ++= {
+        if (!isSnapshot.value && !(noReleaseFlagsScala3 && scalaBinaryVersion.value == "3")) releaseFlags else Seq.empty
+    },
   )
   .jsSettings(
-      Test / scalaJSLinkerConfig := scalaJSLinkerConfig.value.withESFeatures(_.withESVersion(ESVersion.ES2018))
+      // Test / scalaJSLinkerConfig := scalaJSLinkerConfig.value.withESFeatures(_.withESVersion(ESVersion.ES2018))
   )
diff --git a/project/build.properties b/project/build.properties
index 46e43a9..2743082 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.8.2
+sbt.version=1.9.6
diff --git a/project/plugins.sbt b/project/plugins.sbt
index 8ec63cf..0b0e38e 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -1,23 +1,18 @@
-val sbtTypelevelVersion = "0.4.19"
+val sbtTypelevelVersion = "0.5.3"
 
 libraryDependencySchemes ++= Seq(
   "org.scala-native" % "sbt-scala-native" % VersionScheme.Always,
   "org.scala-lang.modules" %% "scala-xml" % VersionScheme.Always,
 )
 
-//addSbtPlugin("org.typelevel" % "sbt-typelevel" % sbtTypelevelVersion) // disabled because I don't want headers and formatting checks
-addSbtPlugin("org.typelevel" % "sbt-typelevel-settings" % sbtTypelevelVersion)
-addSbtPlugin("org.typelevel" % "sbt-typelevel-ci-release" % sbtTypelevelVersion)
+addSbtPlugin("org.typelevel" % "sbt-typelevel" % sbtTypelevelVersion)
 
 // Cross Project Setup
-addSbtPlugin("org.portable-scala" % "sbt-scalajs-crossproject" % "1.2.0")
-addSbtPlugin("org.portable-scala" % "sbt-scala-native-crossproject" % "1.2.0")
-addSbtPlugin("org.scala-js" % "sbt-scalajs" % "1.11.0")
-addSbtPlugin("org.scala-native" % "sbt-scala-native" % "0.4.8")
+addSbtPlugin("org.scala-js" % "sbt-scalajs" % "1.13.2")
+addSbtPlugin("org.scala-native" % "sbt-scala-native" % "0.4.15")
 
 // Other
-// This is here purely to enable the niceness settings
-addSbtPlugin("ch.epfl.scala" % "sbt-bloop" % "1.4.8")
 addSbtPlugin("com.beautiful-scala" % "sbt-scalastyle" % "1.5.1")
-addSbtPlugin("org.scoverage" % "sbt-scoverage" % "2.0.5")
+addSbtPlugin("org.jmotor.sbt" % "sbt-dependency-updates" % "1.2.7")
+addSbtPlugin("org.scoverage" % "sbt-scoverage" % "2.0.8")
 addSbtPlugin("com.timushev.sbt" % "sbt-rewarn" % "0.1.3")