diff --git a/LICENSE b/LICENSE
index da62089ec..7c0f459a5 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2020 Zalando SE
+Copyright (c) 2021 Zalando SE
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/docker/DebugDockerfile b/docker/DebugDockerfile
index 0c11fe3b4..0bfe9a277 100644
--- a/docker/DebugDockerfile
+++ b/docker/DebugDockerfile
@@ -1,5 +1,5 @@
 FROM alpine
-MAINTAINER Team ACID @ Zalando <team-acid@zalando.de>
+LABEL maintainer="Team ACID @ Zalando <team-acid@zalando.de>"
 
 # We need root certificates to deal with teams api over https
 RUN apk --no-cache add ca-certificates go git musl-dev
diff --git a/docs/reference/operator_parameters.md b/docs/reference/operator_parameters.md
index 6500ffde5..212515dc1 100644
--- a/docs/reference/operator_parameters.md
+++ b/docs/reference/operator_parameters.md
@@ -126,7 +126,7 @@ Those are top-level keys, containing both leaf keys and groups.
 
 * **workers**
   number of working routines the operator spawns to process requests to
-  create/update/delete/sync clusters concurrently. The default is `4`.
+  create/update/delete/sync clusters concurrently. The default is `8`.
 
 * **max_instances**
   operator will cap the number of instances in any managed Postgres cluster up
diff --git a/pkg/apis/acid.zalan.do/v1/zz_generated.deepcopy.go b/pkg/apis/acid.zalan.do/v1/zz_generated.deepcopy.go
index 2f4104ce9..4bcbd2f5e 100644
--- a/pkg/apis/acid.zalan.do/v1/zz_generated.deepcopy.go
+++ b/pkg/apis/acid.zalan.do/v1/zz_generated.deepcopy.go
@@ -1,7 +1,7 @@
 // +build !ignore_autogenerated
 
 /*
-Copyright 2020 Compose, Zalando SE
+Copyright 2021 Compose, Zalando SE
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/pkg/generated/clientset/versioned/clientset.go b/pkg/generated/clientset/versioned/clientset.go
index 5f1e5880a..ab4a88735 100644
--- a/pkg/generated/clientset/versioned/clientset.go
+++ b/pkg/generated/clientset/versioned/clientset.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2020 Compose, Zalando SE
+Copyright 2021 Compose, Zalando SE
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/pkg/generated/clientset/versioned/doc.go b/pkg/generated/clientset/versioned/doc.go
index 9ec677ac7..ae87609f6 100644
--- a/pkg/generated/clientset/versioned/doc.go
+++ b/pkg/generated/clientset/versioned/doc.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2020 Compose, Zalando SE
+Copyright 2021 Compose, Zalando SE
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/pkg/generated/clientset/versioned/fake/clientset_generated.go b/pkg/generated/clientset/versioned/fake/clientset_generated.go
index 55771905f..6ae5db2d3 100644
--- a/pkg/generated/clientset/versioned/fake/clientset_generated.go
+++ b/pkg/generated/clientset/versioned/fake/clientset_generated.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2020 Compose, Zalando SE
+Copyright 2021 Compose, Zalando SE
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/pkg/generated/clientset/versioned/fake/doc.go b/pkg/generated/clientset/versioned/fake/doc.go
index 7c9574952..bc1c91a11 100644
--- a/pkg/generated/clientset/versioned/fake/doc.go
+++ b/pkg/generated/clientset/versioned/fake/doc.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2020 Compose, Zalando SE
+Copyright 2021 Compose, Zalando SE
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/pkg/generated/clientset/versioned/fake/register.go b/pkg/generated/clientset/versioned/fake/register.go
index c5a24f7da..c4d383aab 100644
--- a/pkg/generated/clientset/versioned/fake/register.go
+++ b/pkg/generated/clientset/versioned/fake/register.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2020 Compose, Zalando SE
+Copyright 2021 Compose, Zalando SE
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/pkg/generated/clientset/versioned/scheme/doc.go b/pkg/generated/clientset/versioned/scheme/doc.go
index 02fd3d592..cd594164b 100644
--- a/pkg/generated/clientset/versioned/scheme/doc.go
+++ b/pkg/generated/clientset/versioned/scheme/doc.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2020 Compose, Zalando SE
+Copyright 2021 Compose, Zalando SE
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/pkg/generated/clientset/versioned/scheme/register.go b/pkg/generated/clientset/versioned/scheme/register.go
index 381948a4a..8be969eb5 100644
--- a/pkg/generated/clientset/versioned/scheme/register.go
+++ b/pkg/generated/clientset/versioned/scheme/register.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2020 Compose, Zalando SE
+Copyright 2021 Compose, Zalando SE
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/pkg/generated/clientset/versioned/typed/acid.zalan.do/v1/acid.zalan.do_client.go b/pkg/generated/clientset/versioned/typed/acid.zalan.do/v1/acid.zalan.do_client.go
index e48e2d2a7..5666201d4 100644
--- a/pkg/generated/clientset/versioned/typed/acid.zalan.do/v1/acid.zalan.do_client.go
+++ b/pkg/generated/clientset/versioned/typed/acid.zalan.do/v1/acid.zalan.do_client.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2020 Compose, Zalando SE
+Copyright 2021 Compose, Zalando SE
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/pkg/generated/clientset/versioned/typed/acid.zalan.do/v1/doc.go b/pkg/generated/clientset/versioned/typed/acid.zalan.do/v1/doc.go
index 55338c4de..eb8fcf1f4 100644
--- a/pkg/generated/clientset/versioned/typed/acid.zalan.do/v1/doc.go
+++ b/pkg/generated/clientset/versioned/typed/acid.zalan.do/v1/doc.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2020 Compose, Zalando SE
+Copyright 2021 Compose, Zalando SE
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/pkg/generated/clientset/versioned/typed/acid.zalan.do/v1/fake/doc.go b/pkg/generated/clientset/versioned/typed/acid.zalan.do/v1/fake/doc.go
index 1ae436a9b..c5fd1c04b 100644
--- a/pkg/generated/clientset/versioned/typed/acid.zalan.do/v1/fake/doc.go
+++ b/pkg/generated/clientset/versioned/typed/acid.zalan.do/v1/fake/doc.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2020 Compose, Zalando SE
+Copyright 2021 Compose, Zalando SE
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/pkg/generated/clientset/versioned/typed/acid.zalan.do/v1/fake/fake_acid.zalan.do_client.go b/pkg/generated/clientset/versioned/typed/acid.zalan.do/v1/fake/fake_acid.zalan.do_client.go
index 9e31f5192..03e7dda94 100644
--- a/pkg/generated/clientset/versioned/typed/acid.zalan.do/v1/fake/fake_acid.zalan.do_client.go
+++ b/pkg/generated/clientset/versioned/typed/acid.zalan.do/v1/fake/fake_acid.zalan.do_client.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2020 Compose, Zalando SE
+Copyright 2021 Compose, Zalando SE
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/pkg/generated/clientset/versioned/typed/acid.zalan.do/v1/fake/fake_operatorconfiguration.go b/pkg/generated/clientset/versioned/typed/acid.zalan.do/v1/fake/fake_operatorconfiguration.go
index d515a0080..c03ea7d94 100644
--- a/pkg/generated/clientset/versioned/typed/acid.zalan.do/v1/fake/fake_operatorconfiguration.go
+++ b/pkg/generated/clientset/versioned/typed/acid.zalan.do/v1/fake/fake_operatorconfiguration.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2020 Compose, Zalando SE
+Copyright 2021 Compose, Zalando SE
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/pkg/generated/clientset/versioned/typed/acid.zalan.do/v1/fake/fake_postgresql.go b/pkg/generated/clientset/versioned/typed/acid.zalan.do/v1/fake/fake_postgresql.go
index e4d72f882..01a0ed7a4 100644
--- a/pkg/generated/clientset/versioned/typed/acid.zalan.do/v1/fake/fake_postgresql.go
+++ b/pkg/generated/clientset/versioned/typed/acid.zalan.do/v1/fake/fake_postgresql.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2020 Compose, Zalando SE
+Copyright 2021 Compose, Zalando SE
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/pkg/generated/clientset/versioned/typed/acid.zalan.do/v1/fake/fake_postgresteam.go b/pkg/generated/clientset/versioned/typed/acid.zalan.do/v1/fake/fake_postgresteam.go
index 20c8ec809..b333ae046 100644
--- a/pkg/generated/clientset/versioned/typed/acid.zalan.do/v1/fake/fake_postgresteam.go
+++ b/pkg/generated/clientset/versioned/typed/acid.zalan.do/v1/fake/fake_postgresteam.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2020 Compose, Zalando SE
+Copyright 2021 Compose, Zalando SE
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/pkg/generated/clientset/versioned/typed/acid.zalan.do/v1/generated_expansion.go b/pkg/generated/clientset/versioned/typed/acid.zalan.do/v1/generated_expansion.go
index bcd80f922..b4e99cbc8 100644
--- a/pkg/generated/clientset/versioned/typed/acid.zalan.do/v1/generated_expansion.go
+++ b/pkg/generated/clientset/versioned/typed/acid.zalan.do/v1/generated_expansion.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2020 Compose, Zalando SE
+Copyright 2021 Compose, Zalando SE
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/pkg/generated/clientset/versioned/typed/acid.zalan.do/v1/operatorconfiguration.go b/pkg/generated/clientset/versioned/typed/acid.zalan.do/v1/operatorconfiguration.go
index 80ef6d6f3..be22e075d 100644
--- a/pkg/generated/clientset/versioned/typed/acid.zalan.do/v1/operatorconfiguration.go
+++ b/pkg/generated/clientset/versioned/typed/acid.zalan.do/v1/operatorconfiguration.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2020 Compose, Zalando SE
+Copyright 2021 Compose, Zalando SE
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/pkg/generated/clientset/versioned/typed/acid.zalan.do/v1/postgresql.go b/pkg/generated/clientset/versioned/typed/acid.zalan.do/v1/postgresql.go
index ca8c6d7ee..5241cfb54 100644
--- a/pkg/generated/clientset/versioned/typed/acid.zalan.do/v1/postgresql.go
+++ b/pkg/generated/clientset/versioned/typed/acid.zalan.do/v1/postgresql.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2020 Compose, Zalando SE
+Copyright 2021 Compose, Zalando SE
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/pkg/generated/clientset/versioned/typed/acid.zalan.do/v1/postgresteam.go b/pkg/generated/clientset/versioned/typed/acid.zalan.do/v1/postgresteam.go
index 82157dceb..96fbb882a 100644
--- a/pkg/generated/clientset/versioned/typed/acid.zalan.do/v1/postgresteam.go
+++ b/pkg/generated/clientset/versioned/typed/acid.zalan.do/v1/postgresteam.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2020 Compose, Zalando SE
+Copyright 2021 Compose, Zalando SE
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/pkg/generated/informers/externalversions/acid.zalan.do/interface.go b/pkg/generated/informers/externalversions/acid.zalan.do/interface.go
index 4ff4a3d06..6f77564fa 100644
--- a/pkg/generated/informers/externalversions/acid.zalan.do/interface.go
+++ b/pkg/generated/informers/externalversions/acid.zalan.do/interface.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2020 Compose, Zalando SE
+Copyright 2021 Compose, Zalando SE
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/pkg/generated/informers/externalversions/acid.zalan.do/v1/interface.go b/pkg/generated/informers/externalversions/acid.zalan.do/v1/interface.go
index b83d4d0f0..5c05e6d68 100644
--- a/pkg/generated/informers/externalversions/acid.zalan.do/v1/interface.go
+++ b/pkg/generated/informers/externalversions/acid.zalan.do/v1/interface.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2020 Compose, Zalando SE
+Copyright 2021 Compose, Zalando SE
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/pkg/generated/informers/externalversions/acid.zalan.do/v1/postgresql.go b/pkg/generated/informers/externalversions/acid.zalan.do/v1/postgresql.go
index be09839d3..1453af276 100644
--- a/pkg/generated/informers/externalversions/acid.zalan.do/v1/postgresql.go
+++ b/pkg/generated/informers/externalversions/acid.zalan.do/v1/postgresql.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2020 Compose, Zalando SE
+Copyright 2021 Compose, Zalando SE
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/pkg/generated/informers/externalversions/acid.zalan.do/v1/postgresteam.go b/pkg/generated/informers/externalversions/acid.zalan.do/v1/postgresteam.go
index 7ae532cbd..a19e4726f 100644
--- a/pkg/generated/informers/externalversions/acid.zalan.do/v1/postgresteam.go
+++ b/pkg/generated/informers/externalversions/acid.zalan.do/v1/postgresteam.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2020 Compose, Zalando SE
+Copyright 2021 Compose, Zalando SE
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/pkg/generated/informers/externalversions/factory.go b/pkg/generated/informers/externalversions/factory.go
index 4e6b36614..e4b1efdc6 100644
--- a/pkg/generated/informers/externalversions/factory.go
+++ b/pkg/generated/informers/externalversions/factory.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2020 Compose, Zalando SE
+Copyright 2021 Compose, Zalando SE
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/pkg/generated/informers/externalversions/generic.go b/pkg/generated/informers/externalversions/generic.go
index 7dff3e4e5..5fd693558 100644
--- a/pkg/generated/informers/externalversions/generic.go
+++ b/pkg/generated/informers/externalversions/generic.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2020 Compose, Zalando SE
+Copyright 2021 Compose, Zalando SE
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/pkg/generated/informers/externalversions/internalinterfaces/factory_interfaces.go b/pkg/generated/informers/externalversions/internalinterfaces/factory_interfaces.go
index 9f4e14a1a..6d1b334bf 100644
--- a/pkg/generated/informers/externalversions/internalinterfaces/factory_interfaces.go
+++ b/pkg/generated/informers/externalversions/internalinterfaces/factory_interfaces.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2020 Compose, Zalando SE
+Copyright 2021 Compose, Zalando SE
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/pkg/generated/listers/acid.zalan.do/v1/expansion_generated.go b/pkg/generated/listers/acid.zalan.do/v1/expansion_generated.go
index 81e829926..cc3e578b2 100644
--- a/pkg/generated/listers/acid.zalan.do/v1/expansion_generated.go
+++ b/pkg/generated/listers/acid.zalan.do/v1/expansion_generated.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2020 Compose, Zalando SE
+Copyright 2021 Compose, Zalando SE
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/pkg/generated/listers/acid.zalan.do/v1/postgresql.go b/pkg/generated/listers/acid.zalan.do/v1/postgresql.go
index ee3efbdfe..d2258bd01 100644
--- a/pkg/generated/listers/acid.zalan.do/v1/postgresql.go
+++ b/pkg/generated/listers/acid.zalan.do/v1/postgresql.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2020 Compose, Zalando SE
+Copyright 2021 Compose, Zalando SE
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/pkg/generated/listers/acid.zalan.do/v1/postgresteam.go b/pkg/generated/listers/acid.zalan.do/v1/postgresteam.go
index 102dae832..38073e92d 100644
--- a/pkg/generated/listers/acid.zalan.do/v1/postgresteam.go
+++ b/pkg/generated/listers/acid.zalan.do/v1/postgresteam.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2020 Compose, Zalando SE
+Copyright 2021 Compose, Zalando SE
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/ui/Dockerfile b/ui/Dockerfile
index 5ea912dbc..9384f90db 100644
--- a/ui/Dockerfile
+++ b/ui/Dockerfile
@@ -1,5 +1,5 @@
 FROM alpine:3.6
-MAINTAINER team-acid@zalando.de
+LABEL maintainer="Team ACID @ Zalando <team-acid@zalando.de>"
 
 EXPOSE 8081