diff --git a/core/src/main/scala/scroll/internal/compartment/impl/AbstractCompartment.scala b/core/src/main/scala/scroll/internal/compartment/impl/AbstractCompartment.scala
index 55077580..ea1793bc 100644
--- a/core/src/main/scala/scroll/internal/compartment/impl/AbstractCompartment.scala
+++ b/core/src/main/scala/scroll/internal/compartment/impl/AbstractCompartment.scala
@@ -243,9 +243,9 @@ abstract class AbstractCompartment() extends CompartmentApi {
 
     override def equals(o: Any): Boolean =
       o match {
-        case other: IPlayer[_, _] => playerEquality.equalsPlayer(this, other)
-        case other: AnyRef        => playerEquality.equalsAny(this, other)
-        case null                 => false
+        case other: IPlayer[W @unchecked, _] => playerEquality.equalsPlayer(this, other)
+        case other: AnyRef                   => playerEquality.equalsAny(this, other)
+        case null                            => false
       }
 
     override def hashCode(): Int = wrapped.hashCode()
diff --git a/project/Dependencies.scala b/project/Dependencies.scala
index ca1a10bc..8199f626 100644
--- a/project/Dependencies.scala
+++ b/project/Dependencies.scala
@@ -6,13 +6,13 @@ object Dependencies extends Dependencies
 trait Dependencies {
 
   object v {
-    val scalaVersion     = "3.2.2"
-    val akkaVersion      = "2.7.0"
-    val scalatestVersion = "3.2.15"
-    val chocoVersion     = "4.10.12"
-    val guavaVersion     = "31.1-jre"
-    val emfcommonVersion = "2.28.0"
-    val emfecoreVersion  = "2.33.0"
+    val scalaVersion     = "3.3.1"
+    val akkaVersion      = "2.8.5"
+    val scalatestVersion = "3.2.17"
+    val chocoVersion     = "4.10.13"
+    val guavaVersion     = "32.1.2-jre"
+    val emfcommonVersion = "2.29.0"
+    val emfecoreVersion  = "2.35.0"
     val umlVersion       = "3.1.0.v201006071150"
     val jvm              = "1.8"
   }
diff --git a/project/build.properties b/project/build.properties
index 46e43a97..27430827 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 94df5cf9..1fd9407c 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -1,5 +1,5 @@
-addSbtPlugin("org.xerial.sbt"                    % "sbt-sonatype"     % "3.9.17")
-addSbtPlugin("com.jsuereth"                      % "sbt-pgp"          % "2.0.1")
+addSbtPlugin("org.xerial.sbt"                    % "sbt-sonatype"     % "3.9.21")
+addSbtPlugin("com.github.sbt"                    % "sbt-pgp"          % "2.2.1")
 addSbtPlugin("com.thoughtworks.sbt-api-mappings" % "sbt-api-mappings" % "3.0.2")
-addSbtPlugin("pl.project13.scala"                % "sbt-jmh"          % "0.4.4")
-addSbtPlugin("org.scalameta"                     % "sbt-scalafmt"     % "2.5.0")
+addSbtPlugin("pl.project13.scala"                % "sbt-jmh"          % "0.4.6")
+addSbtPlugin("org.scalameta"                     % "sbt-scalafmt"     % "2.4.6")
diff --git a/tests/src/test/scala/scroll/tests/parameterized/RoleSortingTest.scala b/tests/src/test/scala/scroll/tests/parameterized/RoleSortingTest.scala
index d6d9c634..50b77f4b 100644
--- a/tests/src/test/scala/scroll/tests/parameterized/RoleSortingTest.scala
+++ b/tests/src/test/scala/scroll/tests/parameterized/RoleSortingTest.scala
@@ -7,26 +7,25 @@ import scroll.tests.mocks.CoreA
 
 class RoleSortingTest extends AbstractParameterizedSCROLLTest {
 
+  private case class SomeRoleA() {
+    def method(): String = "A"
+  }
+
+  private case class SomeRoleB() {
+    def method(): String = "B"
+  }
+
+  private case class SomeRoleC() {
+    def method(): String = "C"
+  }
+
   test("Adding roles and sorting them") {
     forAll(PARAMS) { (c: Boolean, cc: Boolean) =>
       val someCore = new CoreA()
       new CompartmentUnderTest(c, cc) {
-
-        case class SomeRoleA() {
-          def method(): String = "A"
-        }
-
-        case class SomeRoleB() {
-          def method(): String = "B"
-        }
-
-        case class SomeRoleC() {
-          def method(): String = "C"
-        }
-
-        val roleA = SomeRoleA()
-        val roleB = SomeRoleB()
-        val roleC = SomeRoleC()
+        private val roleA = SomeRoleA()
+        private val roleB = SomeRoleB()
+        private val roleC = SomeRoleC()
         someCore play roleA
         someCore play roleB
         someCore play roleC
@@ -65,7 +64,7 @@ class RoleSortingTest extends AbstractParameterizedSCROLLTest {
     }
   }
 
-  class SomeCore {
+  private class SomeCore {
     def method(): String = "Core"
   }
 
@@ -73,25 +72,28 @@ class RoleSortingTest extends AbstractParameterizedSCROLLTest {
     forAll(PARAMS) { (c: Boolean, cc: Boolean) =>
       val someCore = new SomeCore()
       new CompartmentUnderTest(c, cc) {
+        private case class SomeRoleD() {
 
-        case class SomeRoleA() {
           def method(): String = {
-            given DispatchQuery = Bypassing(_.isInstanceOf[SomeRoleA])
+            given DispatchQuery = Bypassing(_.isInstanceOf[this.type])
             (+this).method()
           }
+
         }
 
-        case class SomeRoleB() {
+        private case class SomeRoleE() {
+
           def method(): String = {
             given DispatchQuery = DispatchQuery().sortedWith(reverse)
             (+this).method()
           }
+
         }
 
-        val roleA = SomeRoleA()
-        val roleB = SomeRoleB()
-        someCore play roleA
-        someCore play roleB
+        private val roleD = SomeRoleD()
+        private val roleE = SomeRoleE()
+        someCore play roleD
+        someCore play roleE
         val r1: String = (+someCore).method()
         r1 shouldBe "Core"
       }