diff --git a/build.sbt b/build.sbt
index 41d54ca..5e5d662 100644
--- a/build.sbt
+++ b/build.sbt
@@ -57,7 +57,7 @@ lazy val featherweightGoCore = (crossProject(JVMPlatform, JSPlatform).crossType(
     scalaVersion := scala213Version,
     scalacOptions ++= defaultScalacOptions,
     libraryDependencies ++= Seq(
-      "org.scala-lang.modules" %%% "scala-parser-combinators" % "2.3.0",
+      "org.scala-lang.modules" %%% "scala-parser-combinators" % "2.4.0",
       "org.scalatest" %%% "scalatest" % "3.2.18" % "test",
       "com.lihaoyi" %%% "pprint" % "0.9.0"
     )