diff --git a/build.sbt b/build.sbt
index dce0c731b..091000c30 100644
--- a/build.sbt
+++ b/build.sbt
@@ -341,7 +341,7 @@ lazy val sloMonitor = lambda("slomonitor", "slomonitor", Some("com.gu.notificati
     Seq(
       description := "Monitors SLO performance for breaking news notifications",
       libraryDependencies ++= Seq(
-        "com.amazonaws" % "aws-lambda-java-events" % "3.11.3",
+        "com.amazonaws" % "aws-lambda-java-events" % "3.11.4",
         "com.amazonaws" % "aws-java-sdk-cloudwatch" % awsSdkVersion,
         "io.netty" % "netty-codec" % nettyVersion,
         "io.netty" % "netty-codec-http" % nettyVersion,