diff --git a/build.sbt b/build.sbt
index d75898573..2ae79a4aa 100644
--- a/build.sbt
+++ b/build.sbt
@@ -19,7 +19,7 @@ val compilerOptions = Seq(
 
 ThisBuild / scalacOptions ++= compilerOptions
 
-val playJsonVersion = "2.10.3"
+val playJsonVersion = "3.0.2"
 val specsVersion: String = "4.8.3"
 val awsSdkVersion: String = "1.12.687"
 val doobieVersion: String = "0.13.4"
@@ -59,7 +59,7 @@ lazy val commoneventconsumer = project
     libraryDependencies ++= Seq(
       "org.slf4j" % "slf4j-api" % slf4jVersion,
       "com.amazonaws" % "aws-java-sdk-athena" % awsSdkVersion,
-      "com.typesafe.play" %% "play-json" % playJsonVersion,
+      "org.playframework" %% "play-json" % playJsonVersion,
       "org.specs2" %% "specs2-core" % specsVersion % "test",
       "com.fasterxml.jackson.core" % "jackson-databind" % jacksonDatabind,
       "com.fasterxml.jackson.dataformat" % "jackson-dataformat-cbor" % jacksonCbor,
@@ -88,8 +88,8 @@ lazy val common = project
       ws,
       "org.typelevel" %% "cats-core" % catsVersion,
       "joda-time" % "joda-time" % "2.12.7",
-      "com.typesafe.play" %% "play-json" % playJsonVersion,
-      "com.typesafe.play" %% "play-json-joda" % playJsonVersion,
+      "org.playframework" %% "play-json" % playJsonVersion,
+      "org.playframework" %% "play-json-joda" % playJsonVersion,
       "com.gu" %% "pa-client" % paClientVersion,
       "com.amazonaws" % "aws-java-sdk-dynamodb" % awsSdkVersion,
       "com.amazonaws" % "aws-java-sdk-cloudwatch" % awsSdkVersion,
@@ -154,6 +154,11 @@ lazy val registration = project
       logback,
       "org.tpolecat" %% "doobie-h2"        % doobieVersion % Test
     ),
+    excludeDependencies ++= Seq(
+      // As of Play 3.0, groupId has changed to org.playframework; exclude transitive dependencies to the old artifacts
+      // Hopefully this workaround can be removed once play-json-extensions either updates to Play 3.0 or is merged into play-json
+      ExclusionRule(organization = "com.typesafe.play")
+    ),
     Debian / packageName := name.value,
     version := projectVersion
   )
@@ -174,6 +179,11 @@ lazy val notification = project
       logback,
       "com.amazonaws" % "aws-java-sdk-sqs" % awsSdkVersion
     ),
+    excludeDependencies ++= Seq(
+      // As of Play 3.0, groupId has changed to org.playframework; exclude transitive dependencies to the old artifacts
+      // Hopefully this workaround can be removed once play-json-extensions either updates to Play 3.0 or is merged into play-json
+      ExclusionRule(organization = "com.typesafe.play")
+    ),
     Debian / packageName := name.value,
     version := projectVersion
   )
@@ -193,6 +203,11 @@ lazy val report = project
     libraryDependencies ++= Seq(
       logback
     ),
+    excludeDependencies ++= Seq(
+      // As of Play 3.0, groupId has changed to org.playframework; exclude transitive dependencies to the old artifacts
+      // Hopefully this workaround can be removed once play-json-extensions either updates to Play 3.0 or is merged into play-json
+      ExclusionRule(organization = "com.typesafe.play")
+    ),
     Debian / packageName := name.value,
     version := projectVersion
   )
@@ -204,7 +219,7 @@ lazy val apiModels = {
   Project("api-models", file("api-models")).settings(Seq(
     name := "mobile-notifications-api-models",
     libraryDependencies ++= Seq(
-      "com.typesafe.play" %% "play-json" % playJsonVersion,
+      "org.playframework" %% "play-json" % playJsonVersion,
       "org.specs2" %% "specs2-core" % specsVersion % "test",
       "org.specs2" %% "specs2-mock" % specsVersion % "test",
       "com.fasterxml.jackson.core" % "jackson-databind" % jacksonDatabind,
@@ -295,7 +310,10 @@ lazy val schedulelambda = lambda("schedule", "schedulelambda")
         "io.netty" % "netty-codec-http2" % nettyVersion
       ),
       excludeDependencies ++= Seq(
-        ExclusionRule("com.typesafe.play", "play-ahc-ws_2.13")
+        ExclusionRule("org.playframework", "play-ahc-ws_2.13"),
+        // As of Play 3.0, groupId has changed to org.playframework; exclude transitive dependencies to the old artifacts
+        // Hopefully this workaround can be removed once play-json-extensions either updates to Play 3.0 or is merged into play-json
+        ExclusionRule(organization = "com.typesafe.play")
       ),
     )
   }
@@ -319,8 +337,11 @@ lazy val football = lambda("football", "football")
       "io.netty" % "netty-common" % nettyVersion,
     ),
     excludeDependencies ++= Seq(
-      ExclusionRule("com.typesafe.play", "play-ahc-ws_2.13"),
-      ExclusionRule("software.amazon.awssdk", "ec2")
+      ExclusionRule("org.playframework", "play-ahc-ws_2.13"),
+      ExclusionRule("software.amazon.awssdk", "ec2"),
+      // As of Play 3.0, groupId has changed to org.playframework; exclude transitive dependencies to the old artifacts
+      // Hopefully this workaround can be removed once play-json-extensions either updates to Play 3.0 or is merged into play-json
+      ExclusionRule(organization = "com.typesafe.play")
     ),
   )
 
@@ -330,7 +351,7 @@ lazy val eventconsumer = lambda("eventconsumer", "eventconsumer", Some("com.gu.n
     Seq(
       description := "Consumes events produced when an app receives a notification",
       libraryDependencies ++= Seq(
-        "com.typesafe.play" %% "play-json" % playJsonVersion,
+        "org.playframework" %% "play-json" % playJsonVersion,
         "com.amazonaws" % "aws-java-sdk-dynamodb" % awsSdkVersion,
         "org.scala-lang.modules" %% "scala-java8-compat" % "1.0.2",
         "io.netty" % "netty-codec-http2" % nettyVersion
@@ -417,11 +438,14 @@ lazy val notificationworkerlambda = lambda("notificationworkerlambda", "notifica
       "com.amazonaws" % "aws-java-sdk-s3" % awsSdkVersion,
       "com.amazonaws" % "amazon-sqs-java-messaging-lib" % "2.1.2",
       "com.squareup.okhttp3" % "okhttp" % okHttpVersion,
-      "com.typesafe.play" %% "play-json" % playJsonVersion,
+      "org.playframework" %% "play-json" % playJsonVersion,
       "com.google.oauth-client" % "google-oauth-client" % googleOAuthClient,
     ),
     excludeDependencies ++= Seq(
-      ExclusionRule("com.typesafe.play", "play-ahc-ws_2.13")
+      ExclusionRule("org.playframework", "play-ahc-ws_2.13"),
+      // As of Play 3.0, groupId has changed to org.playframework; exclude transitive dependencies to the old artifacts
+      // Hopefully this workaround can be removed once play-json-extensions either updates to Play 3.0 or is merged into play-json
+      ExclusionRule(organization = "com.typesafe.play")
     ),
 )
 
@@ -433,7 +457,10 @@ lazy val fakebreakingnewslambda = lambda("fakebreakingnewslambda", "fakebreaking
       "com.squareup.okhttp3" % "okhttp" % okHttpVersion,
     ),
     excludeDependencies ++= Seq(
-      ExclusionRule("com.typesafe.play", "play-ahc-ws_2.13")
+      ExclusionRule("org.playframework", "play-ahc-ws_2.13"),
+      // As of Play 3.0, groupId has changed to org.playframework; exclude transitive dependencies to the old artifacts
+      // Hopefully this workaround can be removed once play-json-extensions either updates to Play 3.0 or is merged into play-json
+      ExclusionRule(organization = "com.typesafe.play")
     ),
   )
 
@@ -441,6 +468,9 @@ lazy val reportExtractor = lambda("reportextractor", "reportextractor", Some("co
   .dependsOn(common)
   .settings(
     excludeDependencies ++= Seq(
-      ExclusionRule("com.typesafe.play", "play-ahc-ws_2.13")
+      ExclusionRule("org.playframework", "play-ahc-ws_2.13"),
+      // As of Play 3.0, groupId has changed to org.playframework; exclude transitive dependencies to the old artifacts
+      // Hopefully this workaround can be removed once play-json-extensions either updates to Play 3.0 or is merged into play-json
+      ExclusionRule(organization = "com.typesafe.play")
     )
   )
diff --git a/common/src/main/scala/metrics/MetricActor.scala b/common/src/main/scala/metrics/MetricActor.scala
index 6c52223c0..d0f7448a6 100644
--- a/common/src/main/scala/metrics/MetricActor.scala
+++ b/common/src/main/scala/metrics/MetricActor.scala
@@ -1,6 +1,6 @@
 package metrics
 
-import akka.actor.Actor
+import org.apache.pekko.actor.Actor
 import com.amazonaws.services.cloudwatch.AmazonCloudWatchClient
 import com.amazonaws.services.cloudwatch.model.{MetricDatum, PutMetricDataRequest, StandardUnit, StatisticSet}
 import org.slf4j.{Logger, LoggerFactory}
diff --git a/common/src/main/scala/metrics/Metrics.scala b/common/src/main/scala/metrics/Metrics.scala
index fb520a8eb..483dccf56 100644
--- a/common/src/main/scala/metrics/Metrics.scala
+++ b/common/src/main/scala/metrics/Metrics.scala
@@ -1,6 +1,6 @@
 package metrics
 
-import akka.actor.{ActorSystem, Props}
+import org.apache.pekko.actor.{ActorSystem, Props}
 import com.amazonaws.regions.{Region, Regions}
 import com.amazonaws.services.cloudwatch.{AmazonCloudWatch, AmazonCloudWatchClientBuilder}
 import play.api.Environment
diff --git a/notification/app/notification/NotificationApplicationLoader.scala b/notification/app/notification/NotificationApplicationLoader.scala
index 3645d2c01..82b933fc1 100644
--- a/notification/app/notification/NotificationApplicationLoader.scala
+++ b/notification/app/notification/NotificationApplicationLoader.scala
@@ -2,7 +2,7 @@ package notification
 
 import _root_.controllers.AssetsComponents
 import _root_.models.{NewsstandShardConfig, TopicCount}
-import akka.actor.ActorSystem
+import org.apache.pekko.actor.ActorSystem
 import aws.{AsyncDynamo, TopicCountsS3}
 import com.amazonaws.regions.Regions.EU_WEST_1
 import com.amazonaws.services.s3.{AmazonS3, AmazonS3ClientBuilder}
diff --git a/project/plugins.sbt b/project/plugins.sbt
index 532b0fe1a..97d5aee99 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -5,7 +5,7 @@ libraryDependencies ++= Seq(
 
 resolvers += "Typesafe repository" at "https://repo.typesafe.com/typesafe/releases/"
 
-addSbtPlugin("com.typesafe.play" % "sbt-plugin" % "2.9.1")
+addSbtPlugin("org.playframework" % "sbt-plugin" % "3.0.2")
 
 addSbtPlugin("com.typesafe.sbt" % "sbt-native-packager" % "1.8.1")
 
diff --git a/registration/app/registration/RegistrationApplicationLoader.scala b/registration/app/registration/RegistrationApplicationLoader.scala
index a836d3aa6..e5773279d 100644
--- a/registration/app/registration/RegistrationApplicationLoader.scala
+++ b/registration/app/registration/RegistrationApplicationLoader.scala
@@ -2,7 +2,7 @@ package registration
 
 import _root_.controllers.AssetsComponents
 import _root_.models.NewsstandShardConfig
-import akka.actor.ActorSystem
+import org.apache.pekko.actor.ActorSystem
 import cats.effect.IO
 import com.gu.AppIdentity
 import com.softwaremill.macwire._
diff --git a/registration/app/registration/controllers/Main.scala b/registration/app/registration/controllers/Main.scala
index 4a114d8fe..990e76d89 100644
--- a/registration/app/registration/controllers/Main.scala
+++ b/registration/app/registration/controllers/Main.scala
@@ -1,9 +1,9 @@
 package registration.controllers
 
-import akka.actor.ActorSystem
-import akka.pattern.after
-import akka.stream.scaladsl.Source
-import akka.util.ByteString
+import org.apache.pekko.actor.ActorSystem
+import org.apache.pekko.pattern.after
+import org.apache.pekko.stream.scaladsl.Source
+import org.apache.pekko.util.ByteString
 import cats.data.EitherT
 import error.{NotificationsError, RequestError}
 import models._
diff --git a/report/app/report/ReportApplicationLoader.scala b/report/app/report/ReportApplicationLoader.scala
index c358f2674..2750df447 100644
--- a/report/app/report/ReportApplicationLoader.scala
+++ b/report/app/report/ReportApplicationLoader.scala
@@ -1,7 +1,7 @@
 package report
 
 import _root_.controllers.AssetsComponents
-import akka.actor.ActorSystem
+import org.apache.pekko.actor.ActorSystem
 import aws.AsyncDynamo
 import com.amazonaws.regions.Regions.EU_WEST_1
 import com.gu.AppIdentity