diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b4000986..ade6c85d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -22,7 +22,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        scala: [3.0.0-M3, 3.0.0-RC1, 2.12.13, 2.13.5]
+        scala: [3.0.0-RC1, 3.0.0-RC2, 2.12.13, 2.13.5]
         java: [adopt@1.8]
     runs-on: ${{ matrix.os }}
     steps:
diff --git a/build.sbt b/build.sbt
index a45bfccb..52f23d99 100644
--- a/build.sbt
+++ b/build.sbt
@@ -25,7 +25,7 @@ ThisBuild / developers := List(
 val Scala213 = "2.13.5"
 
 ThisBuild / scalaVersion := crossScalaVersions.value.last
-ThisBuild / crossScalaVersions := Seq("3.0.0-M3", "3.0.0-RC1", "2.12.13", Scala213)
+ThisBuild / crossScalaVersions := Seq("3.0.0-RC1", "3.0.0-RC2", "2.12.13", Scala213)
 
 ThisBuild / githubWorkflowBuildPreamble ++= Seq(
   WorkflowStep.Use(
@@ -59,7 +59,7 @@ lazy val commonJsSettings = Seq(
   doctestGenTests := Seq.empty
 )
 
-val CatsVersion = "2.4.2"
+val CatsVersion = "2.5.0"
 
 lazy val root = project
   .in(file("."))
@@ -169,7 +169,7 @@ lazy val tests = crossProject(JSPlatform, JVMPlatform)
   .settings(name := "cats-mtl-tests")
   .settings(libraryDependencies ++= Seq(
     "org.typelevel" %%% "cats-testkit" % CatsVersion,
-    "org.typelevel" %%% "discipline-munit" % "1.0.6"))
+    "org.typelevel" %%% "discipline-munit" % "1.0.7"))
   .jsSettings(commonJsSettings)
   .jvmSettings(commonJvmSettings)
   .jsSettings(Test / scalaJSLinkerConfig ~= (_.withModuleKind(ModuleKind.CommonJSModule)))