diff --git a/atom-publisher-lib/build.sbt b/atom-publisher-lib/build.sbt
index 7101083..a983b8e 100644
--- a/atom-publisher-lib/build.sbt
+++ b/atom-publisher-lib/build.sbt
@@ -14,7 +14,7 @@ dependencyOverrides += "com.twitter" %% "scrooge-serializer" % scroogeVersion
 
 libraryDependencies ++= Seq(
   "org.scala-lang.modules"     %% "scala-collection-compat" % "2.12.0",
-  "org.typelevel"              %% "cats-core"             % "2.10.0",
+  "org.typelevel"              %% "cats-core"             % "2.12.0",
   "io.circe"                   %% "circe-parser"          % "0.14.7",
   "com.gu"                     %% "fezziwig"              % "2.0.0",
   "com.gu"                     %% "content-atom-model"    % contentAtomVersion,