diff --git a/app/Main.hs b/app/Main.hs
--- a/app/Main.hs
+++ b/app/Main.hs
@@ -1,7 +1,7 @@
 -- |
 -- Module      :  Main
 -- Description :  Work with 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/TLynx/Compare/Compare.hs b/src/TLynx/Compare/Compare.hs
--- a/src/TLynx/Compare/Compare.hs
+++ b/src/TLynx/Compare/Compare.hs
@@ -4,7 +4,7 @@
 -- |
 -- Module      :  TLynx.Compare.Compare
 -- Description :  Compare two phylogenies
--- 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/TLynx/Compare/Options.hs b/src/TLynx/Compare/Options.hs
--- a/src/TLynx/Compare/Options.hs
+++ b/src/TLynx/Compare/Options.hs
@@ -3,7 +3,7 @@
 -- |
 -- Module      :  TLynx.Compare.Options
 -- Description :  Options for the compare subcommand
--- 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/TLynx/Connect/Connect.hs b/src/TLynx/Connect/Connect.hs
--- a/src/TLynx/Connect/Connect.hs
+++ b/src/TLynx/Connect/Connect.hs
@@ -4,7 +4,7 @@
 -- |
 -- Module      :  TLynx.Connect.Connect
 -- Description :  Connect two phylogenies
--- 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/TLynx/Connect/Options.hs b/src/TLynx/Connect/Options.hs
--- a/src/TLynx/Connect/Options.hs
+++ b/src/TLynx/Connect/Options.hs
@@ -3,7 +3,7 @@
 -- |
 -- Module      :  TLynx.Connect.Options
 -- Description :  Options for the connect subcommand
--- 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/TLynx/Distance/Distance.hs b/src/TLynx/Distance/Distance.hs
--- a/src/TLynx/Distance/Distance.hs
+++ b/src/TLynx/Distance/Distance.hs
@@ -3,7 +3,7 @@
 
 -- |
 -- 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/TLynx/Distance/Options.hs b/src/TLynx/Distance/Options.hs
--- a/src/TLynx/Distance/Options.hs
+++ b/src/TLynx/Distance/Options.hs
@@ -4,7 +4,7 @@
 -- |
 -- Module      :  TLynx.Distance.Options
 -- Description :  Options of tree-dist
--- 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/TLynx/Examine/Examine.hs b/src/TLynx/Examine/Examine.hs
--- a/src/TLynx/Examine/Examine.hs
+++ b/src/TLynx/Examine/Examine.hs
@@ -3,7 +3,7 @@
 
 -- |
 -- Description :  Analyze 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/TLynx/Examine/Options.hs b/src/TLynx/Examine/Options.hs
--- a/src/TLynx/Examine/Options.hs
+++ b/src/TLynx/Examine/Options.hs
@@ -3,7 +3,7 @@
 -- |
 -- Module      :  TLynx.Examine.Options
 -- Description :  Tree analysis options
--- 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/TLynx/Options.hs b/src/TLynx/Options.hs
--- a/src/TLynx/Options.hs
+++ b/src/TLynx/Options.hs
@@ -3,7 +3,7 @@
 -- |
 -- Module      :  TLynx.Options
 -- Description :  TLynx general options
--- 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/TLynx/Parsers.hs b/src/TLynx/Parsers.hs
--- a/src/TLynx/Parsers.hs
+++ b/src/TLynx/Parsers.hs
@@ -1,7 +1,7 @@
 -- |
 -- Module      :  TLynx.Parsers
 -- Description :  Parse Newick/Nexus tree files
--- 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/TLynx/Shuffle/Options.hs b/src/TLynx/Shuffle/Options.hs
--- a/src/TLynx/Shuffle/Options.hs
+++ b/src/TLynx/Shuffle/Options.hs
@@ -3,7 +3,7 @@
 -- |
 -- Module      :  TLynx.Shuffle.Options
 -- Description :  Options for the connect subcommand
--- 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/TLynx/Shuffle/Shuffle.hs b/src/TLynx/Shuffle/Shuffle.hs
--- a/src/TLynx/Shuffle/Shuffle.hs
+++ b/src/TLynx/Shuffle/Shuffle.hs
@@ -4,7 +4,7 @@
 -- |
 -- Module      :  TLynx.Shuffle.Shuffle
 -- Description :  Shuffle a 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/src/TLynx/Simulate/Options.hs b/src/TLynx/Simulate/Options.hs
--- a/src/TLynx/Simulate/Options.hs
+++ b/src/TLynx/Simulate/Options.hs
@@ -6,7 +6,7 @@
 -- |
 -- Module      :  TLynx.Simulate.Options
 -- Description :  Argument parser for seq-ana
--- 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/TLynx/Simulate/Simulate.hs b/src/TLynx/Simulate/Simulate.hs
--- a/src/TLynx/Simulate/Simulate.hs
+++ b/src/TLynx/Simulate/Simulate.hs
@@ -4,7 +4,7 @@
 
 -- |
 --   Description :  Simulate reconstructed 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/TLynx/TLynx.hs b/src/TLynx/TLynx.hs
--- a/src/TLynx/TLynx.hs
+++ b/src/TLynx/TLynx.hs
@@ -1,7 +1,7 @@
 -- |
 -- Module      :  TLynx.TLynx
 -- Description :  TLynx module
--- Copyright   :  (c) Dominik Schrempf 2020
+-- Copyright   :  (c) Dominik Schrempf 2021
 -- License     :  GPL-3.0-or-later
 --
 -- Maintainer  :  dominik.schrempf@gmail.com
diff --git a/tlynx.cabal b/tlynx.cabal
--- a/tlynx.cabal
+++ b/tlynx.cabal
@@ -1,9 +1,9 @@
 cabal-version:      2.2
 name:               tlynx
-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
@@ -52,12 +52,12 @@
         bytestring >=0.10.12.0,
         comonad >=5.0.8,
         containers >=0.6.2.1,
-        elynx-tools >=0.5.1.0,
-        elynx-tree >=0.5.1.0,
+        elynx-tools >=0.5.1.1,
+        elynx-tree >=0.5.1.1,
         gnuplot >=0.5.6.1,
         lifted-async >=0.10.2,
         monad-logger >=0.3.36,
-        mwc-random >=0.14.0.0,
+        mwc-random >=0.15.0.1,
         optparse-applicative >=0.16.1.0,
         parallel >=3.2.2.0,
         statistics >=0.15.2.0,
