diff --git a/bench/Bench.hs b/bench/Bench.hs
--- a/bench/Bench.hs
+++ b/bench/Bench.hs
@@ -3,7 +3,7 @@
 -- |
 -- Module      :  Bench
 -- Description :  Various benchmarks
--- Copyright   :  (c) Dominik Schrempf 2020
+-- Copyright   :  (c) Dominik Schrempf 2021
 -- License     :  GPL-3.0-or-later
 --
 -- Maintainer  :  dominik.schrempf@gmail.com
diff --git a/bench/Length.hs b/bench/Length.hs
--- a/bench/Length.hs
+++ b/bench/Length.hs
@@ -1,7 +1,7 @@
 -- |
 -- Module      :  Length
 -- Description :  Benchmark length newtype
--- Copyright   :  (c) Dominik Schrempf, 2020
+-- Copyright   :  (c) Dominik Schrempf, 2021
 -- License     :  GPL-3.0-or-later
 --
 -- Maintainer  :  dominik.schrempf@gmail.com
diff --git a/bench/Lens.hs b/bench/Lens.hs
--- a/bench/Lens.hs
+++ b/bench/Lens.hs
@@ -1,7 +1,7 @@
 -- |
 -- Module      :  Lens
 -- Description :  Benchmark lens operations
--- Copyright   :  (c) Dominik Schrempf, 2020
+-- Copyright   :  (c) Dominik Schrempf, 2021
 -- License     :  GPL-3.0-or-later
 --
 -- Maintainer  :  dominik.schrempf@gmail.com
diff --git a/elynx-tree.cabal b/elynx-tree.cabal
--- a/elynx-tree.cabal
+++ b/elynx-tree.cabal
@@ -1,9 +1,9 @@
 cabal-version:      2.2
 name:               elynx-tree
-version:            0.5.1.0
+version:            0.5.1.1
 license:            GPL-3.0-or-later
 license-file:       LICENSE
-copyright:          Dominik Schrempf (2020)
+copyright:          Dominik Schrempf (2021)
 maintainer:         dominik.schrempf@gmail.com
 author:             Dominik Schrempf
 homepage:           https://github.com/dschrempf/elynx#readme
@@ -84,9 +84,9 @@
         containers >=0.6.2.1,
         deepseq >=1.4.4.0,
         double-conversion >=2.0.2.0,
-        elynx-nexus >=0.5.1.0,
+        elynx-nexus >=0.5.1.1,
         math-functions >=0.3.4.2,
-        mwc-random >=0.14.0.0,
+        mwc-random >=0.15.0.1,
         parallel >=3.2.2.0,
         primitive >=0.7.1.0,
         statistics >=0.15.2.0
@@ -118,7 +118,7 @@
         base >=4.14.1.0,
         bytestring >=0.10.12.0,
         containers >=0.6.2.1,
-        elynx-tools >=0.5.1.0,
+        elynx-tools >=0.5.1.1,
         elynx-tree -any,
         hspec >=2.7.10
 
@@ -138,8 +138,8 @@
     build-depends:
         base >=4.7 && <5,
         criterion >=1.5.9.0,
-        elynx-tools >=0.5.1.0,
+        elynx-tools >=0.5.1.1,
         elynx-tree -any,
         microlens >=0.4.12.0,
-        mwc-random >=0.14.0.0,
+        mwc-random >=0.15.0.1,
         parallel >=3.2.2.0
diff --git a/src/ELynx/Topology.hs b/src/ELynx/Topology.hs
--- a/src/ELynx/Topology.hs
+++ b/src/ELynx/Topology.hs
@@ -1,7 +1,7 @@
 -- |
 -- Module      :  ELynx.Topology
 -- Description :  Rooted topologies
--- Copyright   :  (c) Dominik Schrempf, 2020
+-- Copyright   :  (c) Dominik Schrempf, 2021
 -- License     :  GPL-3.0-or-later
 --
 -- Maintainer  :  dominik.schrempf@gmail.com
diff --git a/src/ELynx/Topology/Phylogeny.hs b/src/ELynx/Topology/Phylogeny.hs
--- a/src/ELynx/Topology/Phylogeny.hs
+++ b/src/ELynx/Topology/Phylogeny.hs
@@ -1,7 +1,7 @@
 -- |
 -- Module      :  ELynx.Topology.Phylogeny
 -- Description :  Phylogenetic topologies
--- Copyright   :  (c) Dominik Schrempf, 2020
+-- Copyright   :  (c) Dominik Schrempf, 2021
 -- License     :  GPL-3.0-or-later
 --
 -- Maintainer  :  dominik.schrempf@gmail.com
diff --git a/src/ELynx/Topology/Rooted.hs b/src/ELynx/Topology/Rooted.hs
--- a/src/ELynx/Topology/Rooted.hs
+++ b/src/ELynx/Topology/Rooted.hs
@@ -4,7 +4,7 @@
 -- |
 -- Module      :  ELynx.Topology.Rooted
 -- Description :  Topologies
--- Copyright   :  (c) Dominik Schrempf, 2020
+-- Copyright   :  (c) Dominik Schrempf, 2021
 -- License     :  GPL-3.0-or-later
 --
 -- Maintainer  :  dominik.schrempf@gmail.com
diff --git a/src/ELynx/Tree.hs b/src/ELynx/Tree.hs
--- a/src/ELynx/Tree.hs
+++ b/src/ELynx/Tree.hs
@@ -1,7 +1,7 @@
 -- |
 -- Module      :  ELynx.Tree
 -- Description :  Rooted trees
--- Copyright   :  (c) Dominik Schrempf 2020
+-- Copyright   :  (c) Dominik Schrempf 2021
 -- License     :  GPL-3.0-or-later
 --
 -- Maintainer  :  dominik.schrempf@gmail.com
diff --git a/src/ELynx/Tree/Bipartition.hs b/src/ELynx/Tree/Bipartition.hs
--- a/src/ELynx/Tree/Bipartition.hs
+++ b/src/ELynx/Tree/Bipartition.hs
@@ -3,7 +3,7 @@
 -- |
 -- Module      :  ELynx.Tree.Bipartition
 -- Description :  Bipartitions on trees
--- Copyright   :  (c) Dominik Schrempf 2020
+-- Copyright   :  (c) Dominik Schrempf 2021
 -- License     :  GPL-3.0-or-later
 --
 -- Maintainer  :  dominik.schrempf@gmail.com
diff --git a/src/ELynx/Tree/Distance.hs b/src/ELynx/Tree/Distance.hs
--- a/src/ELynx/Tree/Distance.hs
+++ b/src/ELynx/Tree/Distance.hs
@@ -1,7 +1,7 @@
 -- |
 -- Module      :  ELynx.Tree.Distance
 -- Description :  Compute distances between trees
--- Copyright   :  (c) Dominik Schrempf 2020
+-- Copyright   :  (c) Dominik Schrempf 2021
 -- License     :  GPL-3.0-or-later
 --
 -- Maintainer  :  dominik.schrempf@gmail.com
diff --git a/src/ELynx/Tree/Distribution/BirthDeath.hs b/src/ELynx/Tree/Distribution/BirthDeath.hs
--- a/src/ELynx/Tree/Distribution/BirthDeath.hs
+++ b/src/ELynx/Tree/Distribution/BirthDeath.hs
@@ -4,7 +4,7 @@
 -- |
 --   Module      :  ELynx.Tree.Distribution.BirthDeath
 --   Description :  Birth and death distribution
---   Copyright   :  (c) Dominik Schrempf 2018
+--   Copyright   :  (c) Dominik Schrempf 2021
 --   License     :  GPL-3.0-or-later
 --
 --   Maintainer  :  dominik.schrempf@gmail.com
diff --git a/src/ELynx/Tree/Distribution/BirthDeathCritical.hs b/src/ELynx/Tree/Distribution/BirthDeathCritical.hs
--- a/src/ELynx/Tree/Distribution/BirthDeathCritical.hs
+++ b/src/ELynx/Tree/Distribution/BirthDeathCritical.hs
@@ -4,7 +4,7 @@
 -- |
 --   Module      :  ELynx.Tree.Distribution.BirthDeathCritical
 --   Description :  Birth and death distribution
---   Copyright   :  (c) Dominik Schrempf 2018
+--   Copyright   :  (c) Dominik Schrempf 2021
 --   License     :  GPL-3.0-or-later
 --
 --   Maintainer  :  dominik.schrempf@gmail.com
diff --git a/src/ELynx/Tree/Distribution/BirthDeathCriticalNoTime.hs b/src/ELynx/Tree/Distribution/BirthDeathCriticalNoTime.hs
--- a/src/ELynx/Tree/Distribution/BirthDeathCriticalNoTime.hs
+++ b/src/ELynx/Tree/Distribution/BirthDeathCriticalNoTime.hs
@@ -4,7 +4,7 @@
 -- |
 --   Module      :  ELynx.Tree.Distribution.BirthDeathCriticalNoTime
 --   Description :  Birth and death distribution
---   Copyright   :  (c) Dominik Schrempf 2018
+--   Copyright   :  (c) Dominik Schrempf 2021
 --   License     :  GPL-3.0-or-later
 --
 --   Maintainer  :  dominik.schrempf@gmail.com
diff --git a/src/ELynx/Tree/Distribution/BirthDeathNearlyCritical.hs b/src/ELynx/Tree/Distribution/BirthDeathNearlyCritical.hs
--- a/src/ELynx/Tree/Distribution/BirthDeathNearlyCritical.hs
+++ b/src/ELynx/Tree/Distribution/BirthDeathNearlyCritical.hs
@@ -4,7 +4,7 @@
 -- |
 --   Module      :  ELynx.Tree.Distribution.BirthDeathNearlyCritical
 --   Description :  Birth and death distribution
---   Copyright   :  (c) Dominik Schrempf 2018
+--   Copyright   :  (c) Dominik Schrempf 2021
 --   License     :  GPL-3.0-or-later
 --
 --   Maintainer  :  dominik.schrempf@gmail.com
diff --git a/src/ELynx/Tree/Distribution/CoalescentContinuous.hs b/src/ELynx/Tree/Distribution/CoalescentContinuous.hs
--- a/src/ELynx/Tree/Distribution/CoalescentContinuous.hs
+++ b/src/ELynx/Tree/Distribution/CoalescentContinuous.hs
@@ -1,7 +1,7 @@
 -- |
 -- Module      :  ELynx.Tree.Distribution.CoalescentContinuous
 -- Description :  Distribution of coalescent times
--- Copyright   :  (c) Dominik Schrempf 2018
+-- Copyright   :  (c) Dominik Schrempf 2021
 -- License     :  GPL-3.0-or-later
 --
 -- Maintainer  :  dominik.schrempf@gmail.com
diff --git a/src/ELynx/Tree/Distribution/TimeOfOrigin.hs b/src/ELynx/Tree/Distribution/TimeOfOrigin.hs
--- a/src/ELynx/Tree/Distribution/TimeOfOrigin.hs
+++ b/src/ELynx/Tree/Distribution/TimeOfOrigin.hs
@@ -4,7 +4,7 @@
 -- |
 --   Module      :  ELynx.Tree.Distribution.TimeOfOrigin
 --   Description :  Distribution of time of origin for birth and death trees
---   Copyright   :  (c) Dominik Schrempf 2018
+--   Copyright   :  (c) Dominik Schrempf 2021
 --   License     :  GPL-3.0-or-later
 --
 --   Maintainer  :  dominik.schrempf@gmail.com
diff --git a/src/ELynx/Tree/Distribution/TimeOfOriginNearCritical.hs b/src/ELynx/Tree/Distribution/TimeOfOriginNearCritical.hs
--- a/src/ELynx/Tree/Distribution/TimeOfOriginNearCritical.hs
+++ b/src/ELynx/Tree/Distribution/TimeOfOriginNearCritical.hs
@@ -4,7 +4,7 @@
 -- |
 --   Module      :  ELynx.Tree.Distribution.TimeOfOriginNearCritical
 --   Description :  Distribution of time of origin for birth and death trees
---   Copyright   :  (c) Dominik Schrempf 2018
+--   Copyright   :  (c) Dominik Schrempf 2021
 --   License     :  GPL-3.0-or-later
 --
 --   Maintainer  :  dominik.schrempf@gmail.com
diff --git a/src/ELynx/Tree/Distribution/Types.hs b/src/ELynx/Tree/Distribution/Types.hs
--- a/src/ELynx/Tree/Distribution/Types.hs
+++ b/src/ELynx/Tree/Distribution/Types.hs
@@ -1,7 +1,7 @@
 -- |
 -- Module      :  ELynx.Tree.Distribution.Types
 -- Description :  Data types for distributions on trees
--- Copyright   :  (c) Dominik Schrempf 2018
+-- Copyright   :  (c) Dominik Schrempf 2021
 -- License     :  GPL-3.0-or-later
 --
 -- Maintainer  :  dominik.schrempf@gmail.com
diff --git a/src/ELynx/Tree/Export/Newick.hs b/src/ELynx/Tree/Export/Newick.hs
--- a/src/ELynx/Tree/Export/Newick.hs
+++ b/src/ELynx/Tree/Export/Newick.hs
@@ -1,7 +1,7 @@
 -- |
 -- Module      :  ELynx.Tree.Export.Newick
 -- Description :  Export tree objects to Newick format
--- Copyright   :  (c) Dominik Schrempf 2020
+-- Copyright   :  (c) Dominik Schrempf 2021
 -- License     :  GPL-3.0-or-later
 --
 -- Maintainer  :  dominik.schrempf@gmail.com
diff --git a/src/ELynx/Tree/Export/Nexus.hs b/src/ELynx/Tree/Export/Nexus.hs
--- a/src/ELynx/Tree/Export/Nexus.hs
+++ b/src/ELynx/Tree/Export/Nexus.hs
@@ -3,7 +3,7 @@
 -- |
 -- Module      :  ELynx.Tree.Export.Nexus
 -- Description :  Export trees to Nexus files
--- Copyright   :  (c) Dominik Schrempf 2020
+-- Copyright   :  (c) Dominik Schrempf 2021
 -- License     :  GPL-3
 --
 -- Maintainer  :  dominik.schrempf@gmail.com
diff --git a/src/ELynx/Tree/Import/Newick.hs b/src/ELynx/Tree/Import/Newick.hs
--- a/src/ELynx/Tree/Import/Newick.hs
+++ b/src/ELynx/Tree/Import/Newick.hs
@@ -3,7 +3,7 @@
 -- |
 -- Module      :  ELynx.Tree.Import.Newick
 -- Description :  Import Newick trees
--- Copyright   :  (c) Dominik Schrempf 2020
+-- Copyright   :  (c) Dominik Schrempf 2021
 -- License     :  GPL-3.0-or-later
 --
 -- Maintainer  :  dominik.schrempf@gmail.com
diff --git a/src/ELynx/Tree/Import/Nexus.hs b/src/ELynx/Tree/Import/Nexus.hs
--- a/src/ELynx/Tree/Import/Nexus.hs
+++ b/src/ELynx/Tree/Import/Nexus.hs
@@ -3,7 +3,7 @@
 -- |
 -- Module      :  ELynx.Tree.Import.Nexus
 -- Description :  Import trees from Nexus files
--- Copyright   :  (c) Dominik Schrempf 2020
+-- Copyright   :  (c) Dominik Schrempf 2021
 -- License     :  GPL-3
 --
 -- Maintainer  :  dominik.schrempf@gmail.com
diff --git a/src/ELynx/Tree/Length.hs b/src/ELynx/Tree/Length.hs
--- a/src/ELynx/Tree/Length.hs
+++ b/src/ELynx/Tree/Length.hs
@@ -5,7 +5,7 @@
 -- |
 -- Module      :  ELynx.Tree.Length
 -- Description :  Measurable labels
--- Copyright   :  (c) Dominik Schrempf 2020
+-- Copyright   :  (c) Dominik Schrempf 2021
 -- License     :  GPL-3.0-or-later
 --
 -- Maintainer  :  dominik.schrempf@gmail.com
diff --git a/src/ELynx/Tree/Name.hs b/src/ELynx/Tree/Name.hs
--- a/src/ELynx/Tree/Name.hs
+++ b/src/ELynx/Tree/Name.hs
@@ -4,7 +4,7 @@
 -- |
 -- Module      :  ELynx.Tree.Name
 -- Description :  Trees with named nodes
--- Copyright   :  (c) Dominik Schrempf 2020
+-- Copyright   :  (c) Dominik Schrempf 2021
 -- License     :  GPL-3.0-or-later
 --
 -- Maintainer  :  dominik.schrempf@gmail.com
diff --git a/src/ELynx/Tree/Parallel.hs b/src/ELynx/Tree/Parallel.hs
--- a/src/ELynx/Tree/Parallel.hs
+++ b/src/ELynx/Tree/Parallel.hs
@@ -1,7 +1,7 @@
 -- |
 -- Module      :  ELynx.Tree.Parallel
 -- Description :  Evaluation strategies for trees
--- Copyright   :  (c) Dominik Schrempf, 2020
+-- Copyright   :  (c) Dominik Schrempf, 2021
 -- License     :  GPL-3.0-or-later
 --
 -- Maintainer  :  dominik.schrempf@gmail.com
diff --git a/src/ELynx/Tree/Partition.hs b/src/ELynx/Tree/Partition.hs
--- a/src/ELynx/Tree/Partition.hs
+++ b/src/ELynx/Tree/Partition.hs
@@ -1,7 +1,7 @@
 -- |
 -- Module      :  ELynx.Tree.Partition
 -- Description :  Partitions on rose trees
--- Copyright   :  (c) Dominik Schrempf 2020
+-- Copyright   :  (c) Dominik Schrempf 2021
 -- License     :  GPL-3.0-or-later
 --
 -- Maintainer  :  dominik.schrempf@gmail.com
diff --git a/src/ELynx/Tree/Phylogeny.hs b/src/ELynx/Tree/Phylogeny.hs
--- a/src/ELynx/Tree/Phylogeny.hs
+++ b/src/ELynx/Tree/Phylogeny.hs
@@ -5,7 +5,7 @@
 -- |
 -- Module      :  ELynx.Tree.Phylogeny
 -- Description :  Phylogenetic trees
--- Copyright   :  (c) Dominik Schrempf 2020
+-- Copyright   :  (c) Dominik Schrempf 2021
 -- License     :  GPL-3.0-or-later
 --
 -- Maintainer  :  dominik.schrempf@gmail.com
diff --git a/src/ELynx/Tree/Rooted.hs b/src/ELynx/Tree/Rooted.hs
--- a/src/ELynx/Tree/Rooted.hs
+++ b/src/ELynx/Tree/Rooted.hs
@@ -4,7 +4,7 @@
 -- |
 -- Module      :  ELynx.Tree.Rooted
 -- Description :  Rooted trees with labeled branches
--- Copyright   :  (c) Dominik Schrempf 2020
+-- Copyright   :  (c) Dominik Schrempf 2021
 -- License     :  GPL-3.0-or-later
 --
 -- Maintainer  :  dominik.schrempf@gmail.com
diff --git a/src/ELynx/Tree/Simulate/Coalescent.hs b/src/ELynx/Tree/Simulate/Coalescent.hs
--- a/src/ELynx/Tree/Simulate/Coalescent.hs
+++ b/src/ELynx/Tree/Simulate/Coalescent.hs
@@ -1,7 +1,7 @@
 -- |
 -- Module      :  ELynx.Tree.Simulate.Coalescent
 -- Description :  Generate coalescent trees
--- Copyright   :  (c) Dominik Schrempf 2018
+-- Copyright   :  (c) Dominik Schrempf 2021
 -- License     :  GPL-3.0-or-later
 --
 -- Maintainer  :  dominik.schrempf@gmail.com
diff --git a/src/ELynx/Tree/Simulate/PointProcess.hs b/src/ELynx/Tree/Simulate/PointProcess.hs
--- a/src/ELynx/Tree/Simulate/PointProcess.hs
+++ b/src/ELynx/Tree/Simulate/PointProcess.hs
@@ -3,7 +3,7 @@
 -- |
 --   Module      :  ELynx.Tree.Simulate.PointProcess
 --   Description :  Point process and functions
---   Copyright   :  (c) Dominik Schrempf 2018
+--   Copyright   :  (c) Dominik Schrempf 2021
 --   License     :  GPL-3.0-or-later
 --
 --   Maintainer  :  dominik.schrempf@gmail.com
diff --git a/src/ELynx/Tree/Splittable.hs b/src/ELynx/Tree/Splittable.hs
--- a/src/ELynx/Tree/Splittable.hs
+++ b/src/ELynx/Tree/Splittable.hs
@@ -1,7 +1,7 @@
 -- |
 -- Module      :  ELynx.Tree.Splittable
 -- Description :  Splittable branch labels
--- Copyright   :  (c) Dominik Schrempf, 2020
+-- Copyright   :  (c) Dominik Schrempf, 2021
 -- License     :  GPL-3.0-or-later
 --
 -- Maintainer  :  dominik.schrempf@gmail.com
diff --git a/src/ELynx/Tree/Support.hs b/src/ELynx/Tree/Support.hs
--- a/src/ELynx/Tree/Support.hs
+++ b/src/ELynx/Tree/Support.hs
@@ -5,7 +5,7 @@
 -- |
 -- Module      :  ELynx.Tree.Support
 -- Description :  Labels with support values
--- Copyright   :  (c) Dominik Schrempf 2020
+-- Copyright   :  (c) Dominik Schrempf 2021
 -- License     :  GPL-3.0-or-later
 --
 -- Maintainer  :  dominik.schrempf@gmail.com
diff --git a/src/ELynx/Tree/Zipper.hs b/src/ELynx/Tree/Zipper.hs
--- a/src/ELynx/Tree/Zipper.hs
+++ b/src/ELynx/Tree/Zipper.hs
@@ -1,7 +1,7 @@
 -- |
 -- Module      :  ELynx.Tree.Zipper
 -- Description :  Zippers on rooted rose trees with branch labels
--- Copyright   :  (c) Dominik Schrempf, 2020
+-- Copyright   :  (c) Dominik Schrempf, 2021
 -- License     :  GPL-3.0-or-later
 --
 -- Maintainer  :  dominik.schrempf@gmail.com
diff --git a/test/ELynx/Topology/RootedSpec.hs b/test/ELynx/Topology/RootedSpec.hs
--- a/test/ELynx/Topology/RootedSpec.hs
+++ b/test/ELynx/Topology/RootedSpec.hs
@@ -1,7 +1,7 @@
 -- |
 -- Module      :  ELynx.Topology.RootedSpec
 -- Description :  Unit tests for ELynx.Topology.Rooted
--- Copyright   :  (c) Dominik Schrempf, 2020
+-- Copyright   :  (c) Dominik Schrempf, 2021
 -- License     :  GPL-3.0-or-later
 --
 -- Maintainer  :  dominik.schrempf@gmail.com
diff --git a/test/ELynx/Tree/Arbitrary.hs b/test/ELynx/Tree/Arbitrary.hs
--- a/test/ELynx/Tree/Arbitrary.hs
+++ b/test/ELynx/Tree/Arbitrary.hs
@@ -3,7 +3,7 @@
 -- |
 -- Module      :  ELynx.Tree.Arbitrary
 -- Description :  Arbitrary instance, needed for QuickCheck
--- Copyright   :  (c) Dominik Schrempf 2020
+-- Copyright   :  (c) Dominik Schrempf 2021
 -- License     :  GPL-3.0-or-later
 --
 -- Maintainer  :  dominik.schrempf@gmail.com
diff --git a/test/ELynx/Tree/BipartitionSpec.hs b/test/ELynx/Tree/BipartitionSpec.hs
--- a/test/ELynx/Tree/BipartitionSpec.hs
+++ b/test/ELynx/Tree/BipartitionSpec.hs
@@ -2,7 +2,7 @@
 
 -- |
 -- Module      :  ELynx.Tree.BipartitionSpec
--- Copyright   :  (c) Dominik Schrempf 2020
+-- Copyright   :  (c) Dominik Schrempf 2021
 -- License     :  GPL-3.0-or-later
 --
 -- Maintainer  :  dominik.schrempf@gmail.com
diff --git a/test/ELynx/Tree/DistanceSpec.hs b/test/ELynx/Tree/DistanceSpec.hs
--- a/test/ELynx/Tree/DistanceSpec.hs
+++ b/test/ELynx/Tree/DistanceSpec.hs
@@ -3,7 +3,7 @@
 
 -- |
 -- Module      :  ELynx.Tree.DistanceSpec
--- Copyright   :  (c) Dominik Schrempf 2020
+-- Copyright   :  (c) Dominik Schrempf 2021
 -- License     :  GPL-3.0-or-later
 --
 -- Maintainer  :  dominik.schrempf@gmail.com
diff --git a/test/ELynx/Tree/Export/NewickSpec.hs b/test/ELynx/Tree/Export/NewickSpec.hs
--- a/test/ELynx/Tree/Export/NewickSpec.hs
+++ b/test/ELynx/Tree/Export/NewickSpec.hs
@@ -2,7 +2,7 @@
 
 -- |
 -- Module      :  ELynx.Tree.Export.NewickSpec
--- Copyright   :  (c) Dominik Schrempf 2020
+-- Copyright   :  (c) Dominik Schrempf 2021
 -- License     :  GPL-3.0-or-later
 --
 -- Maintainer  :  dominik.schrempf@gmail.com
diff --git a/test/ELynx/Tree/Export/NexusSpec.hs b/test/ELynx/Tree/Export/NexusSpec.hs
--- a/test/ELynx/Tree/Export/NexusSpec.hs
+++ b/test/ELynx/Tree/Export/NexusSpec.hs
@@ -3,7 +3,7 @@
 -- |
 -- Module      :  ELynx.Tree.Export.NexusSpec
 -- Description :  Test export of trees in Nexus files
--- Copyright   :  (c) Dominik Schrempf 2020
+-- Copyright   :  (c) Dominik Schrempf 2021
 -- License     :  GPL-3
 --
 -- Maintainer  :  dominik.schrempf@gmail.com
diff --git a/test/ELynx/Tree/Import/NewickSpec.hs b/test/ELynx/Tree/Import/NewickSpec.hs
--- a/test/ELynx/Tree/Import/NewickSpec.hs
+++ b/test/ELynx/Tree/Import/NewickSpec.hs
@@ -2,7 +2,7 @@
 
 -- |
 -- Module      :  ELynx.Tree.Import.NewickSpec
--- Copyright   :  (c) Dominik Schrempf 2020
+-- Copyright   :  (c) Dominik Schrempf 2021
 -- License     :  GPL-3.0-or-later
 --
 -- Maintainer  :  dominik.schrempf@gmail.com
diff --git a/test/ELynx/Tree/Import/NexusSpec.hs b/test/ELynx/Tree/Import/NexusSpec.hs
--- a/test/ELynx/Tree/Import/NexusSpec.hs
+++ b/test/ELynx/Tree/Import/NexusSpec.hs
@@ -3,7 +3,7 @@
 -- |
 -- Module      :  ELynx.Tree.Import.NexusSpec
 -- Description :  Test import of trees in Nexus files
--- Copyright   :  (c) Dominik Schrempf 2020
+-- Copyright   :  (c) Dominik Schrempf 2021
 -- License     :  GPL-3
 --
 -- Maintainer  :  dominik.schrempf@gmail.com
diff --git a/test/ELynx/Tree/PartitionSpec.hs b/test/ELynx/Tree/PartitionSpec.hs
--- a/test/ELynx/Tree/PartitionSpec.hs
+++ b/test/ELynx/Tree/PartitionSpec.hs
@@ -2,7 +2,7 @@
 
 -- |
 -- Module      :  ELynx.Tree.PartitionSpec
--- Copyright   :  (c) Dominik Schrempf 2020
+-- Copyright   :  (c) Dominik Schrempf 2021
 -- License     :  GPL-3.0-or-later
 --
 -- Maintainer  :  dominik.schrempf@gmail.com
diff --git a/test/ELynx/Tree/PhylogenySpec.hs b/test/ELynx/Tree/PhylogenySpec.hs
--- a/test/ELynx/Tree/PhylogenySpec.hs
+++ b/test/ELynx/Tree/PhylogenySpec.hs
@@ -4,7 +4,7 @@
 -- |
 -- Module      :  ELynx.Tree.PhylogenySpec
 -- Description :  Unit tests for ELynx.Tree.Phylogeny
--- Copyright   :  (c) Dominik Schrempf, 2020
+-- Copyright   :  (c) Dominik Schrempf, 2021
 -- License     :  GPL-3.0-or-later
 --
 -- Maintainer  :  dominik.schrempf@gmail.com
diff --git a/test/ELynx/Tree/RootedSpec.hs b/test/ELynx/Tree/RootedSpec.hs
--- a/test/ELynx/Tree/RootedSpec.hs
+++ b/test/ELynx/Tree/RootedSpec.hs
@@ -3,7 +3,7 @@
 -- |
 -- Module      :  ELynx.Tree.RootedSpec
 -- Description :  Unit tests for ELynx.Tree.Rooted
--- Copyright   :  (c) Dominik Schrempf 2020
+-- Copyright   :  (c) Dominik Schrempf 2021
 -- License     :  GPL-3.0-or-later
 --
 -- Maintainer  :  dominik.schrempf@gmail.com
diff --git a/test/ELynx/Tree/SupportSpec.hs b/test/ELynx/Tree/SupportSpec.hs
--- a/test/ELynx/Tree/SupportSpec.hs
+++ b/test/ELynx/Tree/SupportSpec.hs
@@ -3,7 +3,7 @@
 -- |
 -- Module      :  ELynx.Tree.SupportSpec
 -- Description :  Unit tests for ELynx.Tree.SupportSpec
--- Copyright   :  (c) Dominik Schrempf, 2020
+-- Copyright   :  (c) Dominik Schrempf, 2021
 -- License     :  GPL-3.0-or-later
 --
 -- Maintainer  :  dominik.schrempf@gmail.com
