diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 # The ELynx Suite
 
-Version: 0.7.2.0.
+Version: 0.7.2.1.
 Reproducible evolution made easy.
 
 <p align="center"><img src="https://travis-ci.org/dschrempf/elynx.svg?branch=master"/></p>
@@ -73,9 +73,9 @@
     # OR: stack exec slynx -- --help
     # OR: slynx --help
 
-    ELynx Suite version 0.7.2.0.
+    ELynx Suite version 0.7.2.1.
     Developed by Dominik Schrempf.
-    Compiled on May 3, 2023, at 13:18 pm, UTC.
+    Compiled on June 15, 2023, at 19:54 pm, UTC.
     
     Usage: slynx [-v|--verbosity VALUE] [-o|--output-file-basename NAME]
                  [-f|--force] [--no-elynx-file] COMMAND
@@ -143,17 +143,17 @@
     # OR: stack exec slynx -- simulate --help
     # OR: slynx simulate --help
 
-    Up to date
-    ELynx Suite version 0.7.0.0.
+    ELynx Suite version 0.7.2.1.
     Developed by Dominik Schrempf.
-    Compiled on July 10, 2022, at 08:48 am, UTC.
+    Compiled on June 15, 2023, at 19:54 pm, UTC.
     
     Usage: slynx simulate (-t|--tree-file Name) [-s|--substitution-model MODEL]
-                          [-m|--mixture-model MODEL] [-e|--edm-file NAME]
-                          [-p|--siteprofile-files NAMES]
+                          [-m|--mixture-model MODEL] [-n|--global-normalization]
+                          [-e|--edm-file NAME] [-p|--siteprofile-files NAMES]
                           [-w|--mixture-model-weights "[DOUBLE,DOUBLE,...]"]
                           [-g|--gamma-rate-heterogeneity "(NCAT,SHAPE)"]
                           (-l|--length NUMBER) [-S|--seed INT]
+    
       Simulate multi sequence alignments.
     
     Available options:
@@ -166,6 +166,9 @@
                                option)
       -m,--mixture-model MODEL Set the phylogenetic mixture model; available models
                                are shown below (mutually exclusive with -s option)
+      -n,--global-normalization
+                               Normalize mixture model globally (one normalization
+                               constant for all components)
       -e,--edm-file NAME       Empirical distribution model file NAME in Phylobayes
                                format
       -p,--siteprofile-files NAMES
diff --git a/elynx-seq.cabal b/elynx-seq.cabal
--- a/elynx-seq.cabal
+++ b/elynx-seq.cabal
@@ -1,6 +1,6 @@
 cabal-version:      3.0
 name:               elynx-seq
-version:            0.7.2.1
+version:            0.7.2.2
 synopsis:           Handle molecular sequences
 description:
   Examine, modify, and simulate molecular sequences in a reproducible way. Please see the README on GitHub at <https://github.com/dschrempf/elynx>.