diff --git a/build.sbt b/build.sbt
index 5110536f..dfde824f 100644
--- a/build.sbt
+++ b/build.sbt
@@ -121,6 +121,7 @@ lazy val bench = project
   .settings(
     name := "bench",
     coverageEnabled := false,
+    scalacOptions += "-Wconf:cat=unused-nowarn:s",
     Compile / unmanagedSources := {
       if (Set("2.12", "2.13").contains(scalaBinaryVersion.value)) {
         (Compile / unmanagedSources).value
diff --git a/project/Dependencies.scala b/project/Dependencies.scala
index bed751f1..3c1410e9 100644
--- a/project/Dependencies.scala
+++ b/project/Dependencies.scala
@@ -6,7 +6,7 @@ object Dependencies {
   lazy val cats211 = Def.setting("org.typelevel" %%% "cats-core" % "2.0.0")
   lazy val munit = Def.setting("org.scalameta" %%% "munit" % "1.0.0-M10")
   lazy val munitScalacheck = Def.setting("org.scalameta" %%% "munit-scalacheck" % "1.0.0-M10")
-  lazy val fastParse = "com.lihaoyi" %% "fastparse" % "2.3.3"
+  lazy val fastParse = "com.lihaoyi" %% "fastparse" % "3.0.2"
   lazy val parsley = "org.http4s" %% "parsley" % "1.5.0-M3"
   lazy val jawnAst = Def.setting("org.typelevel" %% "jawn-ast" % "1.5.1")
   lazy val jawnAst211 = Def.setting("org.typelevel" %% "jawn-ast" % "1.0.0-RC2")