diff --git a/build.sbt b/build.sbt
index e2a9ee29..750892bb 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1,4 +1,4 @@
-ThisBuild / crossScalaVersions := Seq("2.13.10", "3.2.2")
+ThisBuild / crossScalaVersions := Seq("2.13.10", "3.3.0")
 ThisBuild / scalaVersion := (ThisBuild / crossScalaVersions).value.head
 
 Global / cancelable := true
diff --git a/junit/src/test/scala-3/scala/SerializationStabilityTest.scala b/junit/src/test/scala-3/scala/SerializationStabilityTest.scala
index aa036752..6d537c85 100644
--- a/junit/src/test/scala-3/scala/SerializationStabilityTest.scala
+++ b/junit/src/test/scala-3/scala/SerializationStabilityTest.scala
@@ -38,21 +38,21 @@ object SerializationStability extends App with SerializationStabilityBase {
     }
   }
 
-  // Generated on 20220518-15:59:25 with Scala version 2.13.6)
+  // Generated on 20230524-12:12:24 with Scala version 2.13.10)
   overwrite.foreach(updateComment)
 
   // check(new collection.concurrent.TrieMap[Any, Any]())( "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")
   // not sure why this one needs stable serialization.
 
   import collection.parallel
-  check(parallel.immutable.ParHashMap(1 -> 2))( "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")
-  check(parallel.immutable.ParHashSet(1, 2, 3))( "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")
+  check(parallel.immutable.ParHashMap(1 -> 2))( "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")
+  check(parallel.immutable.ParHashSet(1, 2, 3))( "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")
   // TODO SI-8576 Uninitialized field under -Xcheckinit
   // check(new parallel.immutable.ParRange(new Range(0, 1, 2)))( "rO0ABXNyACxzY2FsYS5jb2xsZWN0aW9uLnBhcmFsbGVsLmltbXV0YWJsZS5QYXJSYW5nZQAAAAAAAAABAgAETAAXUGFyUmFuZ2VJdGVyYXRvciRtb2R1bGV0AEBMc2NhbGEvY29sbGVjdGlvbi9wYXJhbGxlbC9pbW11dGFibGUvUGFyUmFuZ2UkUGFyUmFuZ2VJdGVyYXRvciQ7TAAPU2NhbkxlYWYkbW9kdWxldAA1THNjYWxhL2NvbGxlY3Rpb24vcGFyYWxsZWwvUGFySXRlcmFibGVMaWtlJFNjYW5MZWFmJDtMAA9TY2FuTm9kZSRtb2R1bGV0ADVMc2NhbGEvY29sbGVjdGlvbi9wYXJhbGxlbC9QYXJJdGVyYWJsZUxpa2UkU2Nhbk5vZGUkO0wABXJhbmdldAAiTHNjYWxhL2NvbGxlY3Rpb24vaW1tdXRhYmxlL1JhbmdlO3hwcHBwc3IAIHNjYWxhLmNvbGxlY3Rpb24uaW1tdXRhYmxlLlJhbmdlabujVKsVMg0CAAdJAANlbmRaAAdpc0VtcHR5SQALbGFzdEVsZW1lbnRJABBudW1SYW5nZUVsZW1lbnRzSQAFc3RhcnRJAARzdGVwSQAPdGVybWluYWxFbGVtZW50eHAAAAABAAAAAAAAAAABAAAAAAAAAAIAAAAC")
   // TODO SI-8576 unstable under -Xcheckinit
   // check(parallel.mutable.ParArray(1, 2, 3))( "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")
-  check(parallel.mutable.ParHashMap(1 -> 2))( "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")
-  check(parallel.mutable.ParHashSet(1, 2, 3))( "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")
+  check(parallel.mutable.ParHashMap(1 -> 2))( "rO0ABXNyACxzY2FsYS5jb2xsZWN0aW9uLnBhcmFsbGVsLm11dGFibGUuUGFySGFzaE1hcAAAAAAAAAADAwAISQALX2xvYWRGYWN0b3JJAAlzZWVkdmFsdWVJAAl0YWJsZVNpemVJAAl0aHJlc2hvbGRMAA1TY2FuTGVhZiRsenkxdAASTGphdmEvbGFuZy9PYmplY3Q7TAANU2Nhbk5vZGUkbHp5MXEAfgABWwAHc2l6ZW1hcHQAAltJWwAFdGFibGV0ACVbTHNjYWxhL2NvbGxlY3Rpb24vbXV0YWJsZS9IYXNoRW50cnk7eHB3DQAAAu4AAAABAAAABAFzcgARamF2YS5sYW5nLkludGVnZXIS4qCk94GHOAIAAUkABXZhbHVleHIAEGphdmEubGFuZy5OdW1iZXKGrJUdC5TgiwIAAHhwAAAAAXNxAH4ABQAAAAJ4")
+  check(parallel.mutable.ParHashSet(1, 2, 3))( "rO0ABXNyACxzY2FsYS5jb2xsZWN0aW9uLnBhcmFsbGVsLm11dGFibGUuUGFySGFzaFNldAAAAAAAAAABAwAISQALX2xvYWRGYWN0b3JJAAlzZWVkdmFsdWVJAAl0YWJsZVNpemVJAAl0aHJlc2hvbGRMAA1TY2FuTGVhZiRsenkxdAASTGphdmEvbGFuZy9PYmplY3Q7TAANU2Nhbk5vZGUkbHp5MXEAfgABWwAHc2l6ZW1hcHQAAltJWwAFdGFibGV0ABNbTGphdmEvbGFuZy9PYmplY3Q7eHB3DQAAAcIAAAADAAAAGwFzcgARamF2YS5sYW5nLkludGVnZXIS4qCk94GHOAIAAUkABXZhbHVleHIAEGphdmEubGFuZy5OdW1iZXKGrJUdC5TgiwIAAHhwAAAAAXNxAH4ABQAAAAJzcQB+AAUAAAADeA==")
 }
 
 class SerializationStabilityTest {
diff --git a/project/build.properties b/project/build.properties
index 46e43a97..72413de1 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.8.2
+sbt.version=1.8.3