diff --git a/atom-publisher-lib/build.sbt b/atom-publisher-lib/build.sbt
index d2d44c3..e70b0ad 100644
--- a/atom-publisher-lib/build.sbt
+++ b/atom-publisher-lib/build.sbt
@@ -16,7 +16,7 @@ libraryDependencies ++= Seq(
   "org.scala-lang.modules"     %% "scala-collection-compat" % "2.8.1",
   "org.typelevel"              %% "cats-core"             % "2.10.0",
   "io.circe"                   %% "circe-parser"          % "0.14.3",
-  "com.gu"                     %% "fezziwig"              % "1.9.2",
+  "com.gu"                     %% "fezziwig"              % "2.0.1",
   "com.gu"                     %% "content-atom-model"    % contentAtomVersion,
   "com.amazonaws"              %  "aws-java-sdk-dynamodb" % awsVersion,
   "com.amazonaws"              %  "aws-java-sdk-kinesis"  % awsVersion,
diff --git a/project/BuildVars.scala b/project/BuildVars.scala
index 09750f1..7078e3e 100644
--- a/project/BuildVars.scala
+++ b/project/BuildVars.scala
@@ -2,7 +2,7 @@ import sbt._
 
 object BuildVars {
   lazy val awsVersion         = "1.12.680"
-  lazy val contentAtomVersion = "4.0.1"
+  lazy val contentAtomVersion = "4.0.4"
   lazy val scroogeVersion     = "22.1.0"
   lazy val playVersion        = "3.0.2"
   lazy val mockitoVersion     = "4.11.0"