diff --git a/build.sbt b/build.sbt
index 900b593..7d8d45e 100644
--- a/build.sbt
+++ b/build.sbt
@@ -10,7 +10,7 @@ lazy val `scalatags-rx` = (projectMatrix in file("."))
     libraryDependencies ++= Seq(
       "com.lihaoyi" %%% "scalarx" % "0.4.3",
       "com.lihaoyi" %%% "scalatags" % "0.9.1",
-      "com.lihaoyi" %%% "utest" % "0.8.1" % "test"
+      "com.lihaoyi" %%% "utest" % "0.8.3" % "test"
     ),
     testFrameworks += new TestFramework("utest.runner.Framework"),
     jsEnv := new org.scalajs.jsenv.jsdomnodejs.JSDOMNodeJSEnv()