diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0fef6d1..2bb24a1 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-RC3, 2.12.13, 2.13.5]
+        scala: [3.0.0, 2.12.13, 2.13.6]
         java: [adopt@1.8]
     runs-on: ${{ matrix.os }}
     steps:
@@ -49,6 +49,6 @@ jobs:
           key: ${{ runner.os }}-sbt-cache-v2-${{ hashFiles('**/*.sbt') }}-${{ hashFiles('project/build.properties') }}
 
       - name: Check that workflows are up to date
-        run: sbt ++${{ matrix.scala }} githubWorkflowCheck
+        run: sbt --client '++${{ matrix.scala }}; githubWorkflowCheck'
 
-      - run: sbt ++${{ matrix.scala }} ci
\ No newline at end of file
+      - run: sbt --client '++${{ matrix.scala }}; ci'
\ No newline at end of file
diff --git a/build.sbt b/build.sbt
index e42dcc7..2d1bd33 100644
--- a/build.sbt
+++ b/build.sbt
@@ -23,7 +23,7 @@ ThisBuild / organization := "com.codecommit"
 ThisBuild / publishGithubUser := "djspiewak"
 ThisBuild / publishFullName := "Daniel Spiewak"
 
-ThisBuild / crossScalaVersions := Seq("3.0.0-RC3", "2.12.13", "2.13.5")
+ThisBuild / crossScalaVersions := Seq("3.0.0", "2.12.13", "2.13.6")
 
 ThisBuild / githubWorkflowTargetBranches := Seq("series/0.x")
 
@@ -34,7 +34,7 @@ ThisBuild / scmInfo := Some(
     url("https://github.com/djspiewak/cats-effect-testing"),
     "git@github.com:djspiewak/cats-effect-testing.git"))
 
-val CatsEffectVersion = "2.5.0"
+val CatsEffectVersion = "2.5.1"
 
 lazy val root = project
   .in(file("."))
@@ -46,7 +46,7 @@ lazy val specs2 = project
   .settings(
     name := "cats-effect-testing-specs2",
 
-    libraryDependencies += "org.specs2"    %% "specs2-core" % "4.10.6",
+    libraryDependencies += ("org.specs2" %% "specs2-core" % "4.12.0").cross(CrossVersion.for3Use2_13),
 
     mimaPreviousArtifacts := {
       if (isDotty.value)
@@ -54,7 +54,6 @@ lazy val specs2 = project
       else
         mimaPreviousArtifacts.value
     })
-  .settings(dottyLibrarySettings)
   .settings(libraryDependencies += "org.typelevel" %% "cats-effect" % CatsEffectVersion)
 
 lazy val `scalatest-scalacheck` = project
@@ -64,7 +63,7 @@ lazy val `scalatest-scalacheck` = project
 
     libraryDependencies ++= Seq(
       "org.typelevel" %% "cats-effect" % CatsEffectVersion,
-      "org.scalatestplus" %% "scalacheck-1-15" % "3.2.8.0",
+      "org.scalatestplus" %% "scalacheck-1-15" % "3.2.9.0",
       "org.scalacheck" %% "scalacheck" % "1.15.3"),
 
     mimaPreviousArtifacts := mimaPreviousArtifacts.value - ("com.codecommit" %% name.value % "0.3.0")
@@ -77,7 +76,7 @@ lazy val scalatest = project
 
     libraryDependencies ++= Seq(
       "org.typelevel" %% "cats-effect" % CatsEffectVersion,
-      "org.scalatest"    %% "scalatest" % "3.2.8"),
+      "org.scalatest"    %% "scalatest" % "3.2.9"),
 
     mimaPreviousArtifacts := mimaPreviousArtifacts.value -- Seq(
       "com.codecommit" %% name.value % "0.1.0",
@@ -93,7 +92,7 @@ lazy val utest = project
     libraryDependencies ++= Seq(
       "org.typelevel" %% "cats-effect" % CatsEffectVersion,
       "org.typelevel" %% "cats-effect-laws" % CatsEffectVersion,
-      "com.lihaoyi" %% "utest" % "0.7.9"))
+      "com.lihaoyi" %% "utest" % "0.7.10"))
 
 lazy val minitest = project
   .in(file("minitest"))
@@ -104,6 +103,6 @@ lazy val minitest = project
     libraryDependencies ++= Seq(
       "org.typelevel" %% "cats-effect" % CatsEffectVersion,
       "org.typelevel" %% "cats-effect-laws" % CatsEffectVersion,
-      "io.monix" %% "minitest" % "2.9.5"),
+      "io.monix" %% "minitest" % "2.9.6"),
 
     mimaPreviousArtifacts := mimaPreviousArtifacts.value - ("com.codecommit" %% name.value % "0.1.0"))
diff --git a/project/build.properties b/project/build.properties
index dbae93b..f0be67b 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.4.9
+sbt.version=1.5.1
diff --git a/project/plugins.sbt b/project/plugins.sbt
index a507207..d14e1f1 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -1 +1 @@
-addSbtPlugin("com.codecommit" % "sbt-spiewak-sonatype" % "0.20.4")
+addSbtPlugin("com.codecommit" % "sbt-spiewak-sonatype" % "0.21.0")