diff --git a/.scalafmt.conf b/.scalafmt.conf
index 82ae6704f..6e2cf3422 100644
--- a/.scalafmt.conf
+++ b/.scalafmt.conf
@@ -1,5 +1,5 @@
 version = "3.2.1"
-runner.dialect = scala213
+runner.dialect = scala213source3
 maxColumn = 100
 project.git = true
 align.preset = none
diff --git a/build.sbt b/build.sbt
index 9c3450c1c..daed20177 100644
--- a/build.sbt
+++ b/build.sbt
@@ -94,6 +94,8 @@ inThisBuild(
     packageDoc / publishArtifact := "true" == System.getenv("CI"),
     packageSrc / publishArtifact := "true" == System.getenv("CI"),
     turbo := true,
+    semanticdbEnabled := true,
+    semanticdbVersion := "4.4.31",
     useSuperShell := false // overlaps with MUnit test failure reports.
   )
 )
diff --git a/mdoc/src/main/scala-2/mdoc/internal/markdown/MarkdownCompiler.scala b/mdoc/src/main/scala-2/mdoc/internal/markdown/MarkdownCompiler.scala
index 7c6b3384c..272d987f5 100644
--- a/mdoc/src/main/scala-2/mdoc/internal/markdown/MarkdownCompiler.scala
+++ b/mdoc/src/main/scala-2/mdoc/internal/markdown/MarkdownCompiler.scala
@@ -30,6 +30,7 @@ import scala.annotation.implicitNotFound
 import mdoc.internal.CompatClassloader
 import mdoc.internal.worksheets.Compat._
 import scala.meta.internal.inputs._
+import scala.tools.nsc.plugins.Plugin
 
 class MarkdownCompiler(
     classpath: String,
@@ -52,7 +53,13 @@ class MarkdownCompiler(
   def classpathEntries: Seq[Path] = global.classPath.asURLs.map(url => Paths.get(url.toURI()))
 
   private val sreporter = new FilterStoreReporter(settings)
-  var global = new Global(settings, sreporter)
+  var global = new Global(settings, sreporter) {
+    // Disable the SemanticDB compiler plugin because it's not needed for
+    // Markdown evaluation.  The primary motivation to disable the SemanticDB
+    // compiler plugin was to work around this bug here
+    // https://github.com/scalameta/scalameta/pull/2528
+    override protected def loadPlugins(): List[Plugin] = super.loadPlugins().filterNot(_.name == "semanticdb")
+  }
   private def reset(): Unit = {
     global = new Global(settings, sreporter)
   }
diff --git a/project/build.properties b/project/build.properties
index baf5ff3ec..3161d2146 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.5.7
+sbt.version=1.6.1