diff --git a/.travis.yml b/.travis.yml
index 2388ff3..16c05db 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,6 +3,5 @@ jdk: openjdk8
 script: sbt +test
 matrix:
   include:
-    - env: PLAY_VERSION=2.5
     - env: PLAY_VERSION=2.6
     - env: PLAY_VERSION=2.7
diff --git a/build.sbt b/build.sbt
index 9d5631e..545740c 100644
--- a/build.sbt
+++ b/build.sbt
@@ -7,9 +7,6 @@ lazy val domain = (project in file("."))
         "org.pegdown"       %  "pegdown"    % "1.6.0"  % "test",
         "org.scalacheck"    %% "scalacheck" % "1.13.5" % "test"
       ),
-      play25 = Seq(
-        "com.typesafe.play" %% "play-json"  % "2.5.19"
-      ),
       play26 = Seq(
         "com.typesafe.play" %% "play-json"  % "2.6.13"
       ),
diff --git a/project/PlayCrossCompilation.scala b/project/PlayCrossCompilation.scala
index 7a929a4..c018125 100644
--- a/project/PlayCrossCompilation.scala
+++ b/project/PlayCrossCompilation.scala
@@ -1,4 +1,4 @@
 import uk.gov.hmrc.playcrosscompilation.AbstractPlayCrossCompilation
-import uk.gov.hmrc.playcrosscompilation.PlayVersion.Play25
+import uk.gov.hmrc.playcrosscompilation.PlayVersion.Play26
 
-object PlayCrossCompilation extends AbstractPlayCrossCompilation(defaultPlayVersion = Play25)
+object PlayCrossCompilation extends AbstractPlayCrossCompilation(defaultPlayVersion = Play26)
diff --git a/project/plugins.sbt b/project/plugins.sbt
index cb86c3e..ff06b71 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -1,13 +1,13 @@
 resolvers += Resolver.url("HMRC Sbt Plugin Releases", url("https://dl.bintray.com/hmrc/sbt-plugin-releases"))(Resolver.ivyStylePatterns)
 resolvers += "HMRC Releases" at "https://dl.bintray.com/hmrc/releases"
 
-addSbtPlugin("uk.gov.hmrc" % "sbt-auto-build" % "2.6.0")
+addSbtPlugin("uk.gov.hmrc" % "sbt-auto-build" % "2.13.0")
 
-addSbtPlugin("uk.gov.hmrc" % "sbt-git-versioning" % "2.1.0")
+addSbtPlugin("uk.gov.hmrc" % "sbt-git-versioning" % "2.2.0")
 
-addSbtPlugin("uk.gov.hmrc" % "sbt-artifactory" % "1.2.0")
+addSbtPlugin("uk.gov.hmrc" % "sbt-artifactory" % "1.13.0")
 
-addSbtPlugin("uk.gov.hmrc" % "sbt-play-cross-compilation" % "0.19.0")
+addSbtPlugin("uk.gov.hmrc" % "sbt-play-cross-compilation" % "2.0.0")
 
 addSbtPlugin("org.scoverage" % "sbt-scoverage" % "1.6.1")
 
diff --git a/src/main/scala/uk/gov/hmrc/domain/AgentBusinessUtr.scala b/src/main/scala/uk/gov/hmrc/domain/AgentBusinessUtr.scala
index 1ea4769..bf83769 100644
--- a/src/main/scala/uk/gov/hmrc/domain/AgentBusinessUtr.scala
+++ b/src/main/scala/uk/gov/hmrc/domain/AgentBusinessUtr.scala
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 HM Revenue & Customs
+ * Copyright 2021 HM Revenue & Customs
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/scala/uk/gov/hmrc/domain/AgentCode.scala b/src/main/scala/uk/gov/hmrc/domain/AgentCode.scala
index 6cdf26d..fd73fe0 100644
--- a/src/main/scala/uk/gov/hmrc/domain/AgentCode.scala
+++ b/src/main/scala/uk/gov/hmrc/domain/AgentCode.scala
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 HM Revenue & Customs
+ * Copyright 2021 HM Revenue & Customs
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/scala/uk/gov/hmrc/domain/AgentUserId.scala b/src/main/scala/uk/gov/hmrc/domain/AgentUserId.scala
index 8cd8347..b562e1f 100644
--- a/src/main/scala/uk/gov/hmrc/domain/AgentUserId.scala
+++ b/src/main/scala/uk/gov/hmrc/domain/AgentUserId.scala
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 HM Revenue & Customs
+ * Copyright 2021 HM Revenue & Customs
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/scala/uk/gov/hmrc/domain/AtedUtr.scala b/src/main/scala/uk/gov/hmrc/domain/AtedUtr.scala
index 86ac2ab..edcc83e 100644
--- a/src/main/scala/uk/gov/hmrc/domain/AtedUtr.scala
+++ b/src/main/scala/uk/gov/hmrc/domain/AtedUtr.scala
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 HM Revenue & Customs
+ * Copyright 2021 HM Revenue & Customs
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/scala/uk/gov/hmrc/domain/AwrsUtr.scala b/src/main/scala/uk/gov/hmrc/domain/AwrsUtr.scala
index e7856ea..b39b811 100644
--- a/src/main/scala/uk/gov/hmrc/domain/AwrsUtr.scala
+++ b/src/main/scala/uk/gov/hmrc/domain/AwrsUtr.scala
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 HM Revenue & Customs
+ * Copyright 2021 HM Revenue & Customs
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/scala/uk/gov/hmrc/domain/CtUtr.scala b/src/main/scala/uk/gov/hmrc/domain/CtUtr.scala
index bdd3ce0..80ed65d 100644
--- a/src/main/scala/uk/gov/hmrc/domain/CtUtr.scala
+++ b/src/main/scala/uk/gov/hmrc/domain/CtUtr.scala
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 HM Revenue & Customs
+ * Copyright 2021 HM Revenue & Customs
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/scala/uk/gov/hmrc/domain/EmpRef.scala b/src/main/scala/uk/gov/hmrc/domain/EmpRef.scala
index 318597e..c73f388 100644
--- a/src/main/scala/uk/gov/hmrc/domain/EmpRef.scala
+++ b/src/main/scala/uk/gov/hmrc/domain/EmpRef.scala
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 HM Revenue & Customs
+ * Copyright 2021 HM Revenue & Customs
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/scala/uk/gov/hmrc/domain/Generator.scala b/src/main/scala/uk/gov/hmrc/domain/Generator.scala
index 4b5f217..45eace5 100644
--- a/src/main/scala/uk/gov/hmrc/domain/Generator.scala
+++ b/src/main/scala/uk/gov/hmrc/domain/Generator.scala
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 HM Revenue & Customs
+ * Copyright 2021 HM Revenue & Customs
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/scala/uk/gov/hmrc/domain/HmrcMtdVat.scala b/src/main/scala/uk/gov/hmrc/domain/HmrcMtdVat.scala
index 6f2a402..1c0d860 100644
--- a/src/main/scala/uk/gov/hmrc/domain/HmrcMtdVat.scala
+++ b/src/main/scala/uk/gov/hmrc/domain/HmrcMtdVat.scala
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 HM Revenue & Customs
+ * Copyright 2021 HM Revenue & Customs
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/scala/uk/gov/hmrc/domain/HmrcObtdsOrg.scala b/src/main/scala/uk/gov/hmrc/domain/HmrcObtdsOrg.scala
index 04a6de8..e2d5a00 100644
--- a/src/main/scala/uk/gov/hmrc/domain/HmrcObtdsOrg.scala
+++ b/src/main/scala/uk/gov/hmrc/domain/HmrcObtdsOrg.scala
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 HM Revenue & Customs
+ * Copyright 2021 HM Revenue & Customs
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/scala/uk/gov/hmrc/domain/ModulusCheck.scala b/src/main/scala/uk/gov/hmrc/domain/ModulusCheck.scala
index f9fbf44..91c5fc7 100644
--- a/src/main/scala/uk/gov/hmrc/domain/ModulusCheck.scala
+++ b/src/main/scala/uk/gov/hmrc/domain/ModulusCheck.scala
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 HM Revenue & Customs
+ * Copyright 2021 HM Revenue & Customs
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/scala/uk/gov/hmrc/domain/Nino.scala b/src/main/scala/uk/gov/hmrc/domain/Nino.scala
index 4e200d2..41a7ace 100644
--- a/src/main/scala/uk/gov/hmrc/domain/Nino.scala
+++ b/src/main/scala/uk/gov/hmrc/domain/Nino.scala
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 HM Revenue & Customs
+ * Copyright 2021 HM Revenue & Customs
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/scala/uk/gov/hmrc/domain/Org.scala b/src/main/scala/uk/gov/hmrc/domain/Org.scala
index 3e26095..1d682a0 100644
--- a/src/main/scala/uk/gov/hmrc/domain/Org.scala
+++ b/src/main/scala/uk/gov/hmrc/domain/Org.scala
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 HM Revenue & Customs
+ * Copyright 2021 HM Revenue & Customs
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/scala/uk/gov/hmrc/domain/PayeAgentReference.scala b/src/main/scala/uk/gov/hmrc/domain/PayeAgentReference.scala
index a02efad..dabb789 100644
--- a/src/main/scala/uk/gov/hmrc/domain/PayeAgentReference.scala
+++ b/src/main/scala/uk/gov/hmrc/domain/PayeAgentReference.scala
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 HM Revenue & Customs
+ * Copyright 2021 HM Revenue & Customs
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/scala/uk/gov/hmrc/domain/PsaId.scala b/src/main/scala/uk/gov/hmrc/domain/PsaId.scala
index b81f1f4..902ee69 100644
--- a/src/main/scala/uk/gov/hmrc/domain/PsaId.scala
+++ b/src/main/scala/uk/gov/hmrc/domain/PsaId.scala
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 HM Revenue & Customs
+ * Copyright 2021 HM Revenue & Customs
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/scala/uk/gov/hmrc/domain/PspId.scala b/src/main/scala/uk/gov/hmrc/domain/PspId.scala
index c6a11bd..1db13bc 100644
--- a/src/main/scala/uk/gov/hmrc/domain/PspId.scala
+++ b/src/main/scala/uk/gov/hmrc/domain/PspId.scala
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 HM Revenue & Customs
+ * Copyright 2021 HM Revenue & Customs
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/scala/uk/gov/hmrc/domain/SaAgentReference.scala b/src/main/scala/uk/gov/hmrc/domain/SaAgentReference.scala
index 8ec4b47..df1ee6d 100644
--- a/src/main/scala/uk/gov/hmrc/domain/SaAgentReference.scala
+++ b/src/main/scala/uk/gov/hmrc/domain/SaAgentReference.scala
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 HM Revenue & Customs
+ * Copyright 2021 HM Revenue & Customs
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/scala/uk/gov/hmrc/domain/SaUtr.scala b/src/main/scala/uk/gov/hmrc/domain/SaUtr.scala
index a78bd4e..c662eae 100644
--- a/src/main/scala/uk/gov/hmrc/domain/SaUtr.scala
+++ b/src/main/scala/uk/gov/hmrc/domain/SaUtr.scala
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 HM Revenue & Customs
+ * Copyright 2021 HM Revenue & Customs
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/scala/uk/gov/hmrc/domain/SaUtrGenerator.scala b/src/main/scala/uk/gov/hmrc/domain/SaUtrGenerator.scala
index 374a584..7bad98f 100644
--- a/src/main/scala/uk/gov/hmrc/domain/SaUtrGenerator.scala
+++ b/src/main/scala/uk/gov/hmrc/domain/SaUtrGenerator.scala
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 HM Revenue & Customs
+ * Copyright 2021 HM Revenue & Customs
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/scala/uk/gov/hmrc/domain/SimpleObjectFormats.scala b/src/main/scala/uk/gov/hmrc/domain/SimpleObjectFormats.scala
index 3d87054..384e203 100644
--- a/src/main/scala/uk/gov/hmrc/domain/SimpleObjectFormats.scala
+++ b/src/main/scala/uk/gov/hmrc/domain/SimpleObjectFormats.scala
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 HM Revenue & Customs
+ * Copyright 2021 HM Revenue & Customs
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/scala/uk/gov/hmrc/domain/TaxCode.scala b/src/main/scala/uk/gov/hmrc/domain/TaxCode.scala
index 12cf42b..6289520 100644
--- a/src/main/scala/uk/gov/hmrc/domain/TaxCode.scala
+++ b/src/main/scala/uk/gov/hmrc/domain/TaxCode.scala
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 HM Revenue & Customs
+ * Copyright 2021 HM Revenue & Customs
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/scala/uk/gov/hmrc/domain/Uar.scala b/src/main/scala/uk/gov/hmrc/domain/Uar.scala
index ed3e54a..a629ca4 100644
--- a/src/main/scala/uk/gov/hmrc/domain/Uar.scala
+++ b/src/main/scala/uk/gov/hmrc/domain/Uar.scala
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 HM Revenue & Customs
+ * Copyright 2021 HM Revenue & Customs
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/scala/uk/gov/hmrc/domain/Vrn.scala b/src/main/scala/uk/gov/hmrc/domain/Vrn.scala
index 2e66dad..b5038bc 100644
--- a/src/main/scala/uk/gov/hmrc/domain/Vrn.scala
+++ b/src/main/scala/uk/gov/hmrc/domain/Vrn.scala
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 HM Revenue & Customs
+ * Copyright 2021 HM Revenue & Customs
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/scala/uk/gov/hmrc/domain/taxIdentifiers.scala b/src/main/scala/uk/gov/hmrc/domain/taxIdentifiers.scala
index a4d0c81..aa70d99 100644
--- a/src/main/scala/uk/gov/hmrc/domain/taxIdentifiers.scala
+++ b/src/main/scala/uk/gov/hmrc/domain/taxIdentifiers.scala
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 HM Revenue & Customs
+ * Copyright 2021 HM Revenue & Customs
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/scala/uk/gov/hmrc/domain/taxIds.scala b/src/main/scala/uk/gov/hmrc/domain/taxIds.scala
index 2ac51fc..44b5789 100644
--- a/src/main/scala/uk/gov/hmrc/domain/taxIds.scala
+++ b/src/main/scala/uk/gov/hmrc/domain/taxIds.scala
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 HM Revenue & Customs
+ * Copyright 2021 HM Revenue & Customs
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/main/scala/uk/gov/hmrc/referencechecker/ReferenceChecker.scala b/src/main/scala/uk/gov/hmrc/referencechecker/ReferenceChecker.scala
index 0e9dc27..7c270a3 100644
--- a/src/main/scala/uk/gov/hmrc/referencechecker/ReferenceChecker.scala
+++ b/src/main/scala/uk/gov/hmrc/referencechecker/ReferenceChecker.scala
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 HM Revenue & Customs
+ * Copyright 2021 HM Revenue & Customs
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/scala/uk/gov/hmrc/domain/AgentBusinessUtrSpec.scala b/src/test/scala/uk/gov/hmrc/domain/AgentBusinessUtrSpec.scala
index 64fcb28..165e848 100644
--- a/src/test/scala/uk/gov/hmrc/domain/AgentBusinessUtrSpec.scala
+++ b/src/test/scala/uk/gov/hmrc/domain/AgentBusinessUtrSpec.scala
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 HM Revenue & Customs
+ * Copyright 2021 HM Revenue & Customs
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/scala/uk/gov/hmrc/domain/AtedUtrSpec.scala b/src/test/scala/uk/gov/hmrc/domain/AtedUtrSpec.scala
index 56c2214..424f89f 100644
--- a/src/test/scala/uk/gov/hmrc/domain/AtedUtrSpec.scala
+++ b/src/test/scala/uk/gov/hmrc/domain/AtedUtrSpec.scala
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 HM Revenue & Customs
+ * Copyright 2021 HM Revenue & Customs
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/scala/uk/gov/hmrc/domain/DomainTypeFormatsSpec.scala b/src/test/scala/uk/gov/hmrc/domain/DomainTypeFormatsSpec.scala
index 19e19dc..611ccef 100644
--- a/src/test/scala/uk/gov/hmrc/domain/DomainTypeFormatsSpec.scala
+++ b/src/test/scala/uk/gov/hmrc/domain/DomainTypeFormatsSpec.scala
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 HM Revenue & Customs
+ * Copyright 2021 HM Revenue & Customs
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/scala/uk/gov/hmrc/domain/EmpRefTest.scala b/src/test/scala/uk/gov/hmrc/domain/EmpRefTest.scala
index 4e1b8d5..1fc303b 100644
--- a/src/test/scala/uk/gov/hmrc/domain/EmpRefTest.scala
+++ b/src/test/scala/uk/gov/hmrc/domain/EmpRefTest.scala
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 HM Revenue & Customs
+ * Copyright 2021 HM Revenue & Customs
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/scala/uk/gov/hmrc/domain/GeneratorSpec.scala b/src/test/scala/uk/gov/hmrc/domain/GeneratorSpec.scala
index 484a7ff..1ff2f6f 100644
--- a/src/test/scala/uk/gov/hmrc/domain/GeneratorSpec.scala
+++ b/src/test/scala/uk/gov/hmrc/domain/GeneratorSpec.scala
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 HM Revenue & Customs
+ * Copyright 2021 HM Revenue & Customs
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/scala/uk/gov/hmrc/domain/NinoSpec.scala b/src/test/scala/uk/gov/hmrc/domain/NinoSpec.scala
index 2f91b22..1669b45 100644
--- a/src/test/scala/uk/gov/hmrc/domain/NinoSpec.scala
+++ b/src/test/scala/uk/gov/hmrc/domain/NinoSpec.scala
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 HM Revenue & Customs
+ * Copyright 2021 HM Revenue & Customs
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/scala/uk/gov/hmrc/domain/PsaIdSpec.scala b/src/test/scala/uk/gov/hmrc/domain/PsaIdSpec.scala
index 4f2002d..09fc5f7 100644
--- a/src/test/scala/uk/gov/hmrc/domain/PsaIdSpec.scala
+++ b/src/test/scala/uk/gov/hmrc/domain/PsaIdSpec.scala
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 HM Revenue & Customs
+ * Copyright 2021 HM Revenue & Customs
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/scala/uk/gov/hmrc/domain/PspIdSpec.scala b/src/test/scala/uk/gov/hmrc/domain/PspIdSpec.scala
index e2f7a68..6dc2379 100644
--- a/src/test/scala/uk/gov/hmrc/domain/PspIdSpec.scala
+++ b/src/test/scala/uk/gov/hmrc/domain/PspIdSpec.scala
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 HM Revenue & Customs
+ * Copyright 2021 HM Revenue & Customs
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/scala/uk/gov/hmrc/domain/SaUtrGeneratorSpec.scala b/src/test/scala/uk/gov/hmrc/domain/SaUtrGeneratorSpec.scala
index a896e29..bff679c 100644
--- a/src/test/scala/uk/gov/hmrc/domain/SaUtrGeneratorSpec.scala
+++ b/src/test/scala/uk/gov/hmrc/domain/SaUtrGeneratorSpec.scala
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 HM Revenue & Customs
+ * Copyright 2021 HM Revenue & Customs
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/scala/uk/gov/hmrc/domain/TaxCodeFormatsSpec.scala b/src/test/scala/uk/gov/hmrc/domain/TaxCodeFormatsSpec.scala
index 9fd4d81..e009076 100644
--- a/src/test/scala/uk/gov/hmrc/domain/TaxCodeFormatsSpec.scala
+++ b/src/test/scala/uk/gov/hmrc/domain/TaxCodeFormatsSpec.scala
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 HM Revenue & Customs
+ * Copyright 2021 HM Revenue & Customs
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/scala/uk/gov/hmrc/domain/TaxCodeSpec.scala b/src/test/scala/uk/gov/hmrc/domain/TaxCodeSpec.scala
index 69dbe60..8768846 100644
--- a/src/test/scala/uk/gov/hmrc/domain/TaxCodeSpec.scala
+++ b/src/test/scala/uk/gov/hmrc/domain/TaxCodeSpec.scala
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 HM Revenue & Customs
+ * Copyright 2021 HM Revenue & Customs
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/scala/uk/gov/hmrc/domain/TaxIdsSpec.scala b/src/test/scala/uk/gov/hmrc/domain/TaxIdsSpec.scala
index f1eea2c..c770f38 100644
--- a/src/test/scala/uk/gov/hmrc/domain/TaxIdsSpec.scala
+++ b/src/test/scala/uk/gov/hmrc/domain/TaxIdsSpec.scala
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 HM Revenue & Customs
+ * Copyright 2021 HM Revenue & Customs
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/src/test/scala/uk/gov/hmrc/referencechecker/ModulusCheckerSpec.scala b/src/test/scala/uk/gov/hmrc/referencechecker/ModulusCheckerSpec.scala
index 8d2b849..e904e15 100644
--- a/src/test/scala/uk/gov/hmrc/referencechecker/ModulusCheckerSpec.scala
+++ b/src/test/scala/uk/gov/hmrc/referencechecker/ModulusCheckerSpec.scala
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 HM Revenue & Customs
+ * Copyright 2021 HM Revenue & Customs
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.