diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d9ec8b6..1991c25 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -23,7 +23,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        scala: [3.0.2, 2.12.15, 2.13.6]
+        scala: [3.1.0, 2.12.15, 2.13.6]
         java: [adoptium@8]
     runs-on: ${{ matrix.os }}
     steps:
diff --git a/build.sbt b/build.sbt
index 5aa617e..759ddb2 100644
--- a/build.sbt
+++ b/build.sbt
@@ -20,7 +20,7 @@ ThisBuild / developers := List(
 
 val Scala213 = "2.13.6"
 
-ThisBuild / crossScalaVersions := Seq("3.0.2", "2.12.15", Scala213)
+ThisBuild / crossScalaVersions := Seq("3.1.0", "2.12.15", Scala213)
 
 ThisBuild / githubWorkflowJavaVersions := Seq("adoptium@8")
 ThisBuild / githubWorkflowEnv += ("JABBA_INDEX" -> "https://github.com/typelevel/jdk-index/raw/main/index.json")
@@ -59,7 +59,7 @@ ThisBuild / githubWorkflowBuild := Seq(
   WorkflowStep.Sbt(List("docs/makeMicrosite"), cond = Some(MicrositesCond))
 )
 
-val disciplineV = "1.2.0"
+val disciplineV = "1.3.0"
 val specs2V = "4.13.0"
 val macrotaskExecutorV = "1.0.0"
 
@@ -71,14 +71,7 @@ lazy val core = crossProject(JSPlatform, JVMPlatform)
   .in(file("core"))
   .settings(
     name := "discipline-specs2",
-    libraryDependencies += "org.typelevel" %%% "discipline-core" % disciplineV,
-    Compile / doc / sources := {
-      val old = (Compile / doc / sources).value
-      if (isDotty.value)
-        Seq()
-      else
-        old
-    }
+    libraryDependencies += "org.typelevel" %%% "discipline-core" % disciplineV
   )
   .jvmSettings(
     libraryDependencies += {