diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 21e1cdb46b..128d3f3953 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, adopt@1.11]
     runs-on: ${{ matrix.os }}
     steps:
diff --git a/build.sbt b/build.sbt
index b57e213c10..28d1b72c37 100644
--- a/build.sbt
+++ b/build.sbt
@@ -23,8 +23,8 @@ ThisBuild / baseVersion := "2.4"
 
 val OldScala = "2.12.13"
 val NewScala = "2.13.5"
-val OldDotty = "3.0.0-M3"
-val NewDotty = "3.0.0-RC1"
+val OldDotty = "3.0.0-RC1"
+val NewDotty = "3.0.0-RC2"
 
 ThisBuild / crossScalaVersions := Seq(OldDotty, NewDotty, OldScala, NewScala)
 ThisBuild / scalaVersion := (ThisBuild / crossScalaVersions).value.last
@@ -59,8 +59,8 @@ ThisBuild / scmInfo := Some(
   ScmInfo(url("https://github.com/typelevel/cats-effect"), "git@github.com:typelevel/cats-effect.git")
 )
 
-val CatsVersion = "2.4.2"
-val DisciplineMunitVersion = "1.0.6"
+val CatsVersion = "2.5.0"
+val DisciplineMunitVersion = "1.0.7"
 val SilencerVersion = "1.7.3"
 
 replaceCommandAlias(