diff --git a/lib/src/main/scala/org/typelevel/scalacoptions/ScalaVersion.scala b/lib/src/main/scala/org/typelevel/scalacoptions/ScalaVersion.scala
index f657c43..f148393 100644
--- a/lib/src/main/scala/org/typelevel/scalacoptions/ScalaVersion.scala
+++ b/lib/src/main/scala/org/typelevel/scalacoptions/ScalaVersion.scala
@@ -48,8 +48,10 @@ object ScalaVersion {
   val V3_3_0   = ScalaVersion(3, 3, 0)
   val V3_3_1   = ScalaVersion(3, 3, 1)
   val V3_3_3   = ScalaVersion(3, 3, 3)
+  val V3_3_5   = ScalaVersion(3, 3, 5)
   val V3_4_0   = ScalaVersion(3, 4, 0)
   val V3_5_0   = ScalaVersion(3, 5, 0)
+  val V3_5_2   = ScalaVersion(3, 5, 2)
 
   private val versionRegex = raw"""(\d+)\.(\d+)\.(\d+)(?:-.*)?""".r
   def fromString(version: String): Either[IllegalArgumentException, ScalaVersion] =
diff --git a/lib/src/main/scala/org/typelevel/scalacoptions/ScalacOptions.scala b/lib/src/main/scala/org/typelevel/scalacoptions/ScalacOptions.scala
index cf9b6b9..605d25a 100644
--- a/lib/src/main/scala/org/typelevel/scalacoptions/ScalacOptions.scala
+++ b/lib/src/main/scala/org/typelevel/scalacoptions/ScalacOptions.scala
@@ -825,6 +825,15 @@ private[scalacoptions] trait ScalacOptions {
   val warnSafeInit =
     warnOption("safe-init", version => version >= V3_5_0)
 
+  /** Enables all warnings. More info:
+    *
+    * [[https://github.com/scala/scala3/pull/20577]]
+    *
+    * Added in 3.5.2, back ported to 3.3.5
+    */
+  val warnAll =
+    warnOption("all", version => version.isAtLeast(V3_5_2) || version.isBetween(V3_3_5, V3_4_0))
+
   /** Unused warning options (-Wunused:)
     */
   val warnUnusedOptions: Set[ScalacOption] = ListSet(