diff --git a/build.sbt b/build.sbt
index fbbc81ea9..0cacb83f5 100644
--- a/build.sbt
+++ b/build.sbt
@@ -97,7 +97,7 @@ val commonLib = (project in file(s"$appsFolder/common-lib"))
     libraryDependencies ++= Seq(
       ws,
       // @todo – we're repeating ourselves. Can we derive this from the plugin?
-      "com.typesafe.play" %% "play" % "2.9.2",
+      "com.typesafe.play" %% "play" % "2.9.4",
     )
   )
 
diff --git a/project/plugins.sbt b/project/plugins.sbt
index 9c4e2a272..5e99eb226 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -1,4 +1,4 @@
-addSbtPlugin("com.typesafe.play" % "sbt-plugin" % "2.9.2")
+addSbtPlugin("com.typesafe.play" % "sbt-plugin" % "2.9.4")
 addSbtPlugin("com.gu" % "sbt-riffraff-artifact" % "1.1.18")
 addSbtPlugin("io.gatling" % "gatling-sbt" % "3.0.0")
 addSbtPlugin("com.eed3si9n" % "sbt-buildinfo" % "0.9.0")